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v.4.0.9 (TBD)

  • Bug fix: Correct Source PDU Field in Association Abort Request (#984)
  • Bug fix: Correct Person Name VR Json model (#1235)

v.4.0.8 (09/10/2020)

  • Add missing properties to IDicomClient interface (#1171)
  • Bug fix: No DICOM charset found for GB18030 in .NET Core (#1125)
  • Bug fix: Incorrect failed validation for Vr Type DS, both .NET Core and Framework (#1141)
  • Update to DICOM Standard 2021a. Nema now also provides Keywords for the UIDs, these are now used. Breaking change: some UID keywords have changed.
  • Bug fix: Some non-retired DicomTags had a name including "RETIRED". Now fixed the generation of DicomTag names. (#1131)
  • FrameGeometry is enhanced so that it also works for DX, CR or MG images. (#1138)
  • Private Creator UN tags are converted to LO (#1146)
  • Bug fix: Ensure timeout detection can never stop prematurely
  • Fix parsing of datasets with a final SequenceDelimiterItem at the end (#1157)
  • Fix: DicomDirectory did throw exception on calling constructor with no parameters (#1176)
  • Update to DICOM Standard 2021b (#1189)
  • Do not validate VM for VRs OF, OL and OV (#1186)
  • Add possibility to add values for the VRs UV, SV and OV
  • Bug fix: Anonymizer not parsing items in sequences (#1202)

v.4.0.7 (11/1/2020)

  • Bug fix: Not able to open deflated dicom file which contains squence (#1097)
  • Bug fix: DS VR type value ending with \0 fails to serialize in JsonDicomConverter (#1078)
  • Allow disabling validation in JsonDicomConverter
  • Bug fix: IPv6 issue in DesktopNetworkStream
  • Optimize DicomTag.GetHashCode() (#1088)
  • Bug fix: Prevent special characters in association requests from crashing Fellow Oak DICOM (#1104)
  • Fixes caching of pixel data in DicomImage when rendering the same image multithreaded. (#805)
  • Fix handling of MaximumPDULength. DicomServer always repeated the clients value of MaximumPDULength in AssociationAccepted-message instead of returning its own value. (#1084)
  • Bug fix: It's very slow to open deflated dicom file. (#1115)
  • Bug fix: DicomUID Storage Commitment Push Model SOP Class was mapped to wrng DicomStorageCategory (#1113)
  • Handle PresentationStates and StructuredReports when creating a DICOMDIR (#1045)
  • Allow conversion of integerString into integer if original string had decimal with trailing zeros
  • Bug fix: String decimals ending in . (ex. 10.) throw DicomValidationException even though they can be converted to decimal
  • Bug fix: FrameGeometry.PixelSpacingX and FrameGeometry.PixelSpacingY where wrong initialized. Now for clarity they are called PixelSpacingBetweenRows and PixelSpacingBetweenColumns.
  • Bug fix: Date (DA) and DateTime (DT) fields didn't support range in validation (#1105)

v.4.0.6 (8/6/2020)

  • Update to DICOM Standard 2020b.
  • Handle N-Event requests in DicomClient (required for synchronous storage commitment) (#1001)
  • Bug fix: Fix DICOM Tag conversion for private tags for element numbers xxff (#1059)
  • ImplicitVRLittleEndian always added to presentation context by default causes other transfer syntax to not be accepted (#1048)
  • New interface IDicomNEventReportRequestProvider for DicomServer. This is necessary to handle synchronous storage commitment on server (#1055)
  • Bug fix: Fix the deserialization issue in JsonDicomConverter for NaN value in VR=FL (#1063)
  • Bug fix: IOException when reading/sending file > 2GB. (#1061)
  • Bug fix: DicomValidator ValidateLO issue, ESC is a valid character (#1043)
  • Bug fix: DicomValidation for UI when AddFile to DicomDirectory (#1053)
  • Bug fix: Exception occurred in Indexer of VOISequenceLUT Class (#1062)
  • Bug fix: Prevent DicomClient getting stuck when any Exception (except IOException) occurs while sending a PDU over the network (#1054)
  • Bug fix: Size of uncompressed YBR_FULL_422 images is calculated wrong (#645)
  • Bug fix: YBR_FULL_422 images should have a planar configuration value of zero (#1049)
  • When opening a DICOMDIR with invalid offsets, try to find the best matching records in a second run (#828)

v.4.0.5 (5/18/2020)

  • Bug fix: DicomTags of ValueRepresentation LT have not been validated.
  • Bug fix: Unawaited task throws unhandled exception caught in finalizer thread when stopping Dicom Server. (#1013)
  • Bug fix: dependency of fo-dicom.ImageSharp nuget package was wrong. Now it also requires only netStandard1.3 (#1017)
  • Bug fix: Fixed freeze when reading SQ of length 0 (#1009)
  • Bug fix: DicomDictionary accessor thew exception on unknown keyword instead of returning null (#996)
  • Update version of ImageSharp to rc1
  • Bug fix: Comparing instance of class DicomStatus with null returned wrong value (#975)
  • Bug fix: Overlay origin cannot be set correctly. (#1028)
  • Add encoding to JsonDicomConverter on LO, SH and PN (#1020)

v.4.0.4 (1/17/2020)

  • New feature: asynchronous counterparts to IDicomCEchoProvider, IDicomCFindProvider, IDicomCStoreProvider, IDicomCMoveProvider, IDicomCGetProvider and IDicomNServiceProvider
  • Bug fix: Prevent SSL handshake freeze from blocking the TCP listener (#923)
  • disable validation when cloning/copying existing DicomDatasets. Exceptions has been thrown when anonymizing files that contain invalid content.
  • Bug fix: FileReadOption.SkipLargeTags caused that only parts of a FragmentSequece have been read, which then lead to further errors. Now the whole FragmentSequence is skipped if only one part of this sequence is skipped.
  • Bug fix: Exception when anonymizing private tags, where the value representation is not known.
  • Implementation of IImage with ImageSharp, which is pure managed and can be used on any operation system. (#693)
  • Add link to wiki entry in DicomCodecException (#948)
  • Bug fix: DicomDataset.TryGetString throws if the element is an empty number-based element (#932)
  • Bug fix: Some continuations in the new DicomClient were not properly marked with ConfigureAwait, which could cause trouble
  • Bug fix: VOI LUT was not applied correctly (#949)
  • Add ReferencedFilmSessionSequence in N-Create message of BasicFilmBox (#967)
  • Bug fix: Exception when cloning to Jpeg Process2_4 when parameters are set to null.

v.4.0.3 (9/21/2019)

  • Bug fix: Exception when adding an element of VR UR/UT/LT/ST with empty value (#915)
  • Bug fix: Exception when opening a file with FileReadOption.SkipLargeTags (#893)
  • Bug fix: Do not open new associations on the existing TCP connection (#896)
  • Bug fix: Broken images when transcoding to JpegProces14 (#921)
  • New feature: Add the ability to enforce a maximum number of DICOM requests per association to the new DICOM client (#898)
  • Add AutoValidate property also to DicomDirectory class.
  • Add support for timeout detection on DICOM requests. Events on Requests and DicomClient are thrown in case of timeout (#666, #236)
  • New Option MaxPDULength in DicomServiceOption.
  • Rewrite SOP class extended negotiation support (#740)
  • Bug fix: extended negotiations have been accepted by default, but should be explicitly accepted (#900)
  • Bug fix: Send only PrintManagementMetaSopClassUid on AssociationRequest instead of all the various SopClassUids of the NCreate and NSet requests (#667)
  • Global static property DicomValidation.PerformValidation to turn off validation for every DicomDataset.
  • Bug fix: Prevent DICOM client from freezing when too many DICOM requests time out and async operations invoked is a low number

v.4.0.2 (7/30/2019)

  • Bug fix: prevent resource leak when DesktopNetworkListener waits for new TCP clients
  • Updated to DICOM Dictionary 2019a (#724)
  • Add pure managed JpegLosses Decoder to DICOM.NetCore project
  • Upgraded native libraries to MSVC platform toolset v141 (VS 2017) (#814)
  • Replaced deprecated licenseUrl tags in NuGet specification files (#813)
  • Add validation of content when adding DICOM elements to DicomDataset. This validation is skipped when reading files or receiving data via network.
  • Be more prudent when releasing association after the linger timeout (#840)
  • A completely new DicomClient, under the namespace Dicom.Network.Client.DicomClient (beware of confusion with Dicom.Network.DicomClient!)
    • The intent is that the old Dicom.Network.DicomClient will disappear in the next major update, so the namespace confusion shouldn't last very long.
    • For now, both versions can be used side by side according to your needs. All of our unit tests cover both implementations.
    • The new Dicom.Network.Client.DicomClient sports the following characteristics:
      • Redesigned architecture using state pattern. This makes the DicomClient a lot more robust in various scenarios (abort while sending requests, disconnect while releasing association, etc)
      • Completely async from the very start
      • Full and graceful cancellation support using CancellationToken. Upon cancellation, no more requests will be sent, the association will be released and the connection closed gracefully.
      • One DicomClient instance per DICOM server. The host, port and other server related parameters are moved to the DicomClient constructor.
      • More hooks to react to the various states a DicomClient goes through. (e.g. when connecting, when lingering the association, etc.)
  • Bug Fix: Fixed wrong interpretation and application of LUT for PALETTE COLOR images (#817)
  • Bug Fix: Allow any SOP Class to be set as Affected SOP CLass in C-FIND requests (#808)
  • Bug Fix: Don't drop connection right after releasing an association (#839)
  • Bug Fix: Wait for release of previous association before opening a new one (#833)
  • Bug Fix: When a connection is still open but the association is already released, create a new association (#833)
  • Bug Fix: When adding datasets to a DicomDirectory where some patientNames have trailing ^, then they were not recognized as one patient (#765)
  • Bug Fix: Anonymizer throws exception on private tags (#771)
  • Bug Fix: Linear windowing wrong in corner cases (#816)
  • Bug Fix: Fix DicomClient getting stuck when sending one request fails completely (#848)
  • Added Modality LUT Sequence and VOI LUT Sequence functionality when generating a DICOM Image.
  • Bug Fix: Logging requests with very long private tags throws exception (#846)
  • Bug Fix: turn off validation when creating CFind-, CGet- or CMove-Requests, since there are no newly generated data included, but already existing UIDs have to be added there. (#860, #842)
  • Bug Fix: generation of DicomUID using obsolete method Generate("name") resulted in invalid UIDs. (#862)
  • Bug Fix: Disabling dataset validation for file meta information objects. (#859)
  • Bug Fix: JPEG 2000 decodes wrong colors in .NET Core (#850)
  • Enable secure DICOM Tls 1.0, 1.1 and 1.2 (#872)
  • Set text encoding of Json to UTF-8, as defined in dicom standard F.2
  • Bug Fix: Photometric Interpretation updates on Transfer Syntax changes (#836)
  • Bug Fix: DicomOverlayData OriginX and OriginY were swapped
  • Bug Fix: Handle Json deserializing of empty values (#873)

v.4.0.1 (3/13/2019)

  • change IFileReference and IByteBuffer to have offset of type long so that big files can be processed (#743)
  • internally identify dicom servers by port/ipadress combination instead of only port (#699)
  • DicomDirectory.AddFile returns a reference to the newly added patient-, study-, series- and instance-Record.
  • Update Json DS validation regex (#643)
  • Add option to DicomFile.Open how to deal with large tags (#617)
  • DicomFileMetaInformation now uses pre-existing SourceAET where possible
  • PixelData.GetMinMax now has 2 overloads, one that takes padding into account and one wihtout the padding parameter (#675)
  • string.ToUpper() is replaced by string.ToUpperInvariant() to prevent bad character conversion on turkish system
  • Fix detecting default windowing if a dataset contains several windows configurations (#741)
  • Fix bug in .net core when a image is both flipped in x and y direction (#721)
  • Pass through the timeout parameter from DicomClient.Send to the constructor of DesktopNetworkStream (#732)
  • Added appveyor.yml file for ci by this setting (#729)
  • Bug Fix : anonymized patient name is now encoded with same character set as the original Dicom.
  • add DicomUID.IsVolumeStorage.
  • Bug Fix : DICOM server may throw DicomDataException on association when non-standard transfer syntax was proposed (#749)
  • allow Query/Register/Unregister transfer syntax.
  • DicomCFindRequest should allow defnition of Query Retrieve Information Model (#708)
  • Bug fix : DicomUIDGenerator.GenerateDerivedFromUUID converts Guids incorrectly to the DICOM "2.25." + UUID format (#762)
  • Bug Fix : TryGetValue, TryGetValues, TryGetSingleValue should return false instead of throw exception. (#746)
  • Add methods to calculate localizer lines (#779)
  • Bug Fix : DicomPixelData.Create throws Exception if BitsAllocated >= 32 (#716)
  • Bug Fix: GetValues on empty element may throw ArgumentOutOfRangeException (#720)
  • Serilog for .NET Standard 1.3/.NET Core (#772)
  • Bug Fix : DicomServer does not close TcpClient/socket after client closed connection (#795)
  • Bug Fix : JsonDicomConverter should decode BulkDataURI element(#796)
  • Bug Fix: fix deserialization of Json when the VR-property is not on first position (#730)
  • DicomClient uses StrongBox to reduce memory consumption (#794)
  • Bug Fix: C-STORE request may hang. (#792)

    • v.4.0.0 (9/24/2018)

    • Demonstrate and fix error in RLELossless Transfer Syntax Codec
    • Fixing 2 UWP Networking Bugs (#636, #637)
    • Add List of known Private UID's (#589)
    • DicomReader: Prevent premature exit from privateBadSequence when private sequence contains sub-sequence (#565 #626)
    • Saving a file with deflated transfer syntax occasionally fails (#621)
    • Anonymizer not removing Sequences (#610 #611)
    • Deprecate DicomClient.WaitForAssociation and provide association events (#605 #609)
    • Subclassing DicomServer (#602 #604)
    • Support CP-1066 (#597 #606)
    • DicomDataset.Add and .AddOrUpdate overloads with Encoding parameter (#596 #607)
    • Code generator support for anonymization data (#594 #595)
    • DicomServer to listen on IPv6 socket (#588 #604)
    • DicomAnonymizer blank DicomDate/DicomDateTime to DateTime.MinValue instead of empty value (#576 #593)
    • DicomAnonymizer ignores the PatientName and PatientID in the SecurityProfile (#575 #592)
    • Private group not added to tag when private tag item is added to dataset (#570 #577)
    • ReceivingApplicationEntityTitle and SendingApplicationEntityTitle omitted during Save (#563 #569)
    • Downgrade desktop libraries to framework version 4.5 (#561 #562)
    • Add support for Unity 2017.1 platform (#560 #585)
    • Handle fragmented OW pixel data when creating EncapsulatedPixelData for new pixel data (#553 #586)
    • DicomImage is not thread safe (#552 #582)
    • DicomUIDGenerator.Generate UID Collisions (Non-unique UIDs) (#546 #571)
    • Correct interpolation of rescaled overlay graphics (#545 #558)
    • Some getters of optional sequences do not account for missing sequence (#544 #572)
    • A-ASSOCIATE-AC PDU parsing incorrect (#543 #583 #590 #591)
    • DicomCFindRequest is unsuitable for "Search for Unified Procedure Step (C-FIND)" (#540 #580)
    • DicomClient proposes wrong presentation context in .NET core with codec that does not support 16 bit encoding (#538 #600)
    • Private tag is listed out or order (#535 #566)
    • JsonDicomConverter.ParseTag is very slow for keyword lookups (#533 #531)
    • DicomDictionary.GetEnumerator() is very slow (#532 #534)
    • DicomPixelData.BitsAllocated setter removed (#528 #564)
    • Complete list of transfer syntax fields from the DICOM Standard (#526 #599)
    • DicomClient.SendAsync will never return when certain non-transient exceptions are thrown (#525 #584)
    • CStore-SCU always adds a PC with LEExplicit and LEImplicit (#524 #541)
    • Added Maximum Clients Allowed to restrict connection to SCP (#523 #573)
    • Updated JPEG-LS to latest CharLS commit (#517)
    • Support for anonymization, deflated and compressed transfer syntaxes on Unity (#496)
    • Support for up to 16 bit JPEG 2000 codecs on Android, iOS, Mono and .NET Core (#496)
    • Added missing encodings for .NET Core (#481 #486)
    • Update to latest DICOM Standard 2018b (#480 #482 #536 #537 #555 #559 #619 #676)
    • Convert .NET Core projects to use VS 2017 .csproj project files (#470 #473)
    • Add TextWriterLogger (#461 #542)
    • Call to DicomServer.Stop does not remove all clients (#456 #464)
    • Repository re-organization (#445 #446 #447 #448 #451 #452 #455 #462 #463 #465 #467 #468 #469 #476 #477 #478)
    • Hololens support on Unity (#431 #556)
    • Deprecate Legacy class library (#415 #449)
    • Provide System.Drawing.Bitmap support for image rendering with .NET Core (#409 #450 #459)
    • Added optional parameter for use in extended DicomService (#348 #441)
    • Consistently asynchronous networking API (#331 #584)
    • Pass through unsupported user data during PDU parsing (#242 #443)
    • Remove warning messages during build (#33 #438)
    • Online and NuGet packages API documentation (#28 #459 #466 #574 #584)
    • Status code in respose got lost and mapped to an internally known status code (#616)
    • WinFormsImage may throw exception on Dispose or on GC (#634)
    • Fix StackOverflowException in Vector3D multiplication (#640)

    v.3.0.2 (4/20/2017)

    • DicomRejectReason enumerables should be parsed w.r.t. source (#516 #521)
    • Incorrect numerical value on RejectReason.ProtocolVersionNotSupported (#515 #520)
    • Add private creator to private tags when deserializing json (#512 #513)
    • Adding private tags implicitly uses wrong VR (#503 #504)
    • Add option in DicomServiceOptions for max PDVs per PDU (#502 #506)
    • DicomResponse.ErrorComment is always added in the DicomResponse.Status setter, even for successes (#501 #505)
    • DicomStatus.Lookup does not consider priority in matching (#499 #498)
    • DesktopNetworkListener can throw an exception which causes DicomServer to stop listening (#495 #519)
    • Cannot create DICOMDIR after anonymizing images (#488 #522)
    • Cannot parse dicom files if the last tag is a private sequence containing only empty sequence items (#487 #518)
    • If the connection is closed by the host, DicomClient will keep trying to send (#472 #489)
    • N-CREATE response constructor throws when request command does not contain SOP Instance UID (#484 #485)
    • Cannot render YBR_FULL/PARTIAL_422 with odd number of columns (#471 #479)
    • Dicom Server listener consumes large amount of memory if http request is sent to listener (#327 #509)

    v.3.0.1 (3/06/2017)

    • Add runtime directives to enable .NET Native builds for UWP (#424 #460)
    • YBR_FULL_422 JPEG Process 14 SV1 compressed image incorrectly decoded (#453 #454)

    v.3.0.0 (2/15/2017)

    • DICOM Anonymizer preview (#410 #437)
    • Client should not send if association rejected (#433 #434)
    • Deploy error for Unity based applications on Hololens (#431 #432)
    • Add method "AddOrUpdatePixelData" to the DicomDataset (#427 #430)
    • Adding too many presentation contexts causes null reference exception in DicomClient.Send (#426 #429)
    • Serialize to XML according to DICOM standard PS 3.19, Section A (#425)
    • Invalid reference in Universal targets build file (#422 #423)
    • Alpha component is zero for color images on UWP, .NET Core and Xamarin platforms (#421 #428)
    • Print SCP exception due to insufficient DicomDataset.AddOrUpdate refactoring (#353 #420)
    • Invalid decoding of JPEG baseline RGB images with managed JPEG codec (#417 #419)
    • DicomFile.Save throwing an exception in DotNetCore for macOS (#411 #413)
    • Added method GenerateUuidDerived (#408)
    • Padding argument not accounted for in some IPixelData.GetMinMax implementations (#406 #414)
    • Incorrect handling of padded buffer end in EvenLengthBuffer.GetByteRange (#405 #412)
    • Unhandled exception after error in JPEG native decoding (#394 #399)
    • DicomDataset.Get<T[]> on empty tag should not throw (#392 #398)
    • Efilm 2.1.2 seems to send funny presentation contexts, break on PDU.read (#391 #397)
    • Improved reliability in DicomClient.Send (#389 #407)
    • Cannot catch exceptions while doing C-STORE if I close my network connection (#385 #390)
    • Handle UN encode group lengths and missing last item delimitation tag (#378 #388)
    • Invalid handling of overlay data type, description, subtype and label (#375 #382)
    • Incorrect message logged when async ops are not available, but requested (#374 #381)
    • Fix get object for all DicomValueElement inheritors (#367 #368)
    • Handle parsing sequence items not associated with any sequence (#364 #383 #435 #436)
    • System Out Of Memory Exception when saving large DICOM files (#363 #384)
    • Null characters not trimmed from string values (#359 #380)
    • Corrected JPEG-LS encoding and JPEG decoding for YBR images (#358 #379 #416 #418)
    • Cannot override CreateCStoreReceiveStream due to private fields (#357 #386)
    • DicomClient multiple C-Store request cause exception when AsyncOps is not negotiated (#356 #400)
    • Enable registration of private UIDs (#355 #387)
    • DICOM Parse error - Stack empty (#342)
    • Invalid abort upon exception in P-Data-TF PDU processing (#341 #401)
    • Sufficient image creation when Bits Allocated does not match destination type size (#340 #350)
    • Some Dicom Printer refuse print requests from fo-dicom (#336)
    • DicomContentItem.Children() throws exception when there are no children (#332 #333)
    • Functional changes in Dataset.Add, rename of ChangeTransferSyntax (#330 #343)
    • Added support for more date/time formats (#328 #352)
    • Exception if Storage Commitment N-Event Report response does not contain EventID tag (#323 #329)
    • ImageDisposableBase implicit destructor missing (#322 #326)
    • Dicom Response Message should be sent using the same Presentation Context in the Request (#321)
    • DicomDataset.Contains(DicomTag tag) matches on object, will not find private tags (#319 #351)
    • Add DICOM VR Codes as constants (#315)
    • DicomClient should be able to C-STORE non-Part 10 DICOM files (#306 #307)
    • Incorrect dependency in fo-dicom.Universal.nuspec (#300 #301)
    • GetDateTime method does not handle missing date and time tags (#299 #302)
    • Print SCP sample reports exception due to missing ActionTypeID in N-ACTION response (#298 #308)
    • Red and Blue bytes swapped in color images on iOS (#290 #291)
    • Support creating DS Value elements from string and IByteBuffer (#288)
    • Pixel Data not null-padded to even length (#284 #286)
    • Merge core and platform assemblies (#280 #283)
    • ChangeTransferSyntax throws an exception (J2k 16-bit -> Jpeg Lossy P 4) (#277 #281)
    • Merge DicomUID partial files (#268 #270)
    • Wrong description for some tags (#266 #271)
    • DicomFileMetaInformation overly intrusive (#265 #285)
    • Type 3 property getters in DicomFileMetaInformation throw when tag not defined (#262 #264)
    • Invalid DicomDateTime output format (#261 #269)
    • NLog Formatted Logging Failing (#258 #260)
    • .NET Core Library Build Request (#256 #294 #296 #297 #310 #311 #325 #334)
    • Adaptations for fo-dicom on Unity platform (#251 #252 #253 #255 #257 #263 #287 #289 #292 #293)
    • Log4net event logging config not working with AssemblyInfo.cs XMLConfigurator (#244 #248)
    • Implement SOP Class Extended Negotiation (#241 #243 #304 #305)
    • DicomClient.Send DicomAssociationRejectedException not working (#239 #249)
    • Dicom.Platform.rd.xml file should be included as Embedded Resource (#237 #247)
    • DicomIntegerString.Get<T>() throws for enums and non-int value types (#231 #212 #226)
    • Upgrade dictionary to latest DICOM version 2016e (#229 #233 #245 #246 #317 #318 #360 #362 #372 #373)
    • Deflate Transfersyntax (#227 #259)
    • Use an editorconfig-file (#216 #215)
    • Upgrade to Visual Studio 2015 toolset (#214 #217)
    • Limited debug info for DicomDataset (#210 #211)
    • Allow specifying AbstractSyntax distinct from RequestedSOPClassUID (#208 #209)
    • Separate NuGet packages for all supported platforms (#206 #207 #275 #282)
    • Support more date-time parser formats (#205)
    • DicomDecimalString constructor fails with decimals if CurrentCulture has decimal commas (#202 #203)
    • Add VR Other Long (OL) (#201 #232)
    • Improved reliability in network operations (#199 #234 #312 #314 #316 #324)
    • If DicomServer already running, get instance of them (#191 #250)
    • Implement JSON serialization and deserialization of DICOM objects (#182 #186)
    • Open and save DicomDirectory to Stream (#181 #235)
    • Implement C-GET support (#180 #309)
    • Exposing network infos (ip and port) in association (#173 #225 #377)
    • Consider implementing DicomDataset.Clone() as "DeepClone" (#153 #313)
    • Image compression/decompression for Mono and Xamarin (#128 #279 #295)

    v2.0.2 (2/15/2016)

    • "Index was outside the bounds of the array" in PrecalculatedLUT indexer (#219 #221)
    • DicomReader reads past end of file if empty private sequence is last attribute in dataset (#220 #222)
    • DicomReader reads past end of file if first private sequence item is zero length (#223 #224)

    v2.0.1 (1/22/2016)

    • DICOM CP-246 not handled correctly in DicomReader (#177 #192)
    • Fix for #64 breaks parsing of valid datasets (#178 #184 #194)
    • Invalid VR in explicit dataset leads to 'silent' stop (#179 #196)
    • DicomDictionary.UnknownTag missing new VRs OD, UC and UR (#183 #185)
    • DicomPixelData.Create is broken for signed pixel data with BitsAllocated != BitsStored (#187 #189)
    • CompositeByteBuffer ArgumentException (#195 #198)

    v2.0.0 (1/14/2016)

    • Removed Modality Dicom Tag in Study Request (#166)
    • Checking for valid Window Center and Window Width values before using in GrayscaleRenderOptions (#161 #163)
    • Initialize managers automatically via reflection (#148 #149)
    • Message Command Field Priority invalid for C-ECHO and all DIMSE-N Requests (#141 #143)
    • Overlay data error corrections (#110 #138 #140)
    • Report status for additional presentation contexts (#137 #139)
    • Extended stop parsing functionality with support e.g. for sequence depth (#136 #142)
    • Handle simultaneous use of explicit sequence length and sequence delimitation item (#64 #135)
    • Parse error when encapsulated pixel data appears inside sequence item (#133 #134)
    • Universal Windows Platform library with networking, imaging and transcoding capability (#118 #124 #125 #126 #132)
    • Improved exception reporting for NLog (#121 #122)
    • MetroLog connector is Portable Class Library (#119 #120)
    • Fix of concurrency bugs in DicomDictionary (#114 #115 #151 #152)
    • Xamarin Android platform library with imaging cabability (#113 #117)
    • Xamarin iOS platform library with imaging cabability (#111 #112)
    • Portable Core and platform-specific assemblies, including basic Mono implementation (#13 #93 #94 #60 #109)
    • Network abstraction layer (#86 #106 #156 #159 #160 #157 #164 #158 #165 #167 #175)
    • Transcoder abstraction layer (#102 #105)
    • Synchronized LogManager API with other managers (#103 #104)
    • Image abstraction layer (#83 #85 #92 #101 #144 #145 #150)
    • I/O abstraction layer (#69 #78 #97 #100)
    • Provide Task Asynchronous Pattern (async/await) for file I/O and network operations (#65 #90 #96 #98 #99 #107 #116 #130 #131)
    • Provide NullLogger for disabled logging (#89 #91)
    • Improved NuGet installation procedure for codec assemblies (#87 #88 #123)
    • DICOM Dump can ignore private dictionary (#84)
    • API for applying color LUT on grayscale image (#79 #81 #146 #147)
    • Log4Net connector and NuGet package (#76 #77)
    • JPEG, JPEG-LS and JPEG2000 source code updated to latest applicable version (#74 #75)
    • Reverted memory mapped file implementation for image loading (#71 #72 #73)
    • MetroLog connector and NuGet package (#59 #68)

    v1.1.0 (8/10/2015)

    • Enable configuration of default encoding in the DicomDatasetReaderObserver (#54)
    • DicomDataset.Add(DicomTag, ...) method does not support multi-valued LO, PN, SH and UI tags (#51)
    • Explicit VR file parsing failures due to strictness (#47)
    • Overlay scaling in WPF images (#46)
    • Prevent non-socket related exceptions from being swallowed (#45)
    • Codec loading - add logging and default the search filter wildcard (#41)
    • Use memory mapped file buffer to improve large image reading (#17)
    • Improved reliability in search for native codec assemblies (#14)
    • Consistent handling of Get<T> default values (#10)
    • DICOM dictionary (tags and UIDs) updated to version 2015c (#9, #44)
    • UC, UR and OD value representations added (#9, #48)
    • Serilog support added; NLog and Serilog loggers moved to separate assemblies (#8, #34)
    • Corrected Color32.B getter (#7)
    • Upgraded to .NET 4.5 and C/C++ toolset v120 (#4)
    • Use UTF-8 encoding where appropriate (#2, #20, #21)
    • Fixed JPEG Codec memory corruption when encoding decoding on the same process for long period (#1)

    v1.0.38 (withdrawn)

    • Fix OW swap for single byte images
    • Better handling of long duration and aborted connections
    • Many imported extensions and bug fixes!

    v1.0.37 (2/19/2014)

    • Add DICOM Compare tool to project
    • Add support for disabling TCP Nagle algorithm
    • Better handling of aborted connections
    • Fix some UID values containing encoding characters
    • Fix extraction of embedded overlays
    • Utility methods for calculating window/level
    • Use number keys to change W/L calculation mode in dump utility
    • Use O key to show/hide overlays in dump utility
    • Fix byte swapping for Implicit VR single byte images

    v1.0.36 (8/6/2013)

    • Fix bug sorting private tags
    • Ability to add private tags to dataset
    • Better handling of improperly encoded private sequences
    • Fix bug adding presentation contexts from requests
    • Fix typo in N-Set response handler

    v1.0.35 (7/5/2013)

    • Fix bug adding presentation contexts with Implicit Little Endian syntax
    • Add option to use the remote AE Title as the logger name
    • Miscellaneous improvements and fixes

    v1.0.34 (6/27/2013)

    • Fix bug returning default value for zero length elements
    • Fix exception when disposing DicomDirectory
    • Fix menu bug in DICOM Dump utility when changing syntax to JPEG Lossless
    • Fix bug matching private DICOM tags
    • Add classes for basic structured report creation
    • Ability to browse multiframe images in DICOM Dump utility
    • Ability to recover when parsing invalid sequences
    • Ability to parse improperly encoded private sequences

    v1.0.33 (4/28/2013)

    • Add logging abstraction layer to remove runtime dependency on NLog
    • Fix bug reading duplicate entries in DICOM dictionary
    • Fix bug storing AT values
    • Fix bug sorting private DICOM tags
    • Fix bug using custom DicomWriteOptions

    v1.0.32 (3/12/2013)

    • DICOM Media example by Hesham Desouky
    • Move DicomFileScanner to Dicom.Media namespace
    • Add WriteToConsole logging extension method
    • Increase line length of dataset logging extension methods
    • Fix reading of sequences in DICOMDIR files (Hesham Desouky)
    • Improve rendering performance by precalculating grayscale LUT
    • Ability to render single-bit images
    • Fix hash code implementation for private tags
    • Miscellaneous improvements and fixes

    v1.0.31 (1/13/2013)

    • Improved portability and fewer compiler warnings (Anders Gustafsson)
    • Ensure frame buffers created by codecs have even length
    • Import DicomFileScanner from mDCM
    • Ability to save datasets and images in DICOM Dump utility
    • Ability to change tranfer syntax in DICOM Dump utility
    • Fix loss of embedded overlay data during compression
    • Fix rendering of big endian images
    • Miscellaneous improvements and fixes

    v1.0.30 (1/1/2013)

    • Fix bug rescaling DicomImage (Mahesh Dubey)
    • Add rules for matching and transforming DICOM datasets
    • Miscellaneous improvements and fixes

    v1.0.29 (12/22/2012)

    • Minor modifications to facilitate library porting to Windows Store apps (Anders Gustafsson)
    • Convert unit tests to use MS Unit Testing framework
    • Move DICOMDIR classes back to Dicom.Media namespace
    • Change DicomDirectory Open/Save methods to be consistent with DicomFile usage
    • Fix bug decoding single frame from a multiframe image (Mahesh Dubey)

    v1.0.28 (12/12/2012)

    • Display exception message in DICOM Dump for image rendering errors
    • Remove serialization members
    • Fix bug where frame is not added to OtherWordPixelData (Mahesh Dubey)
    • Fix bug where exception is not thrown for out of range frame numbers in GetFrame() (Mahesh Dubey)
    • Fix bug where internal transfer syntax is not set when transcoding file (Mahesh Dubey)
    • Add request/response classes for DICOM Normalized services
    • Change DicomCStoreRequest constructor to use SOP Class/Instance UIDs from dataset instead of FMI
    • Experimental support for DICOM directory files (Hesham Desouky)

    v1.0.27 (10/30/2012)

    • Ensure that file handles are closed after opening or saving DICOM file
    • Add ability to move file pointed to by FileReference
    • Fix window/level settings not being applied to rendered DicomImage
    • Fix processing order of received DIMSE responses
    • Process P-Data-TF PDUs on ThreadPool
    • Temporary fix for rendering JPEG compressed YBR images
    • Fix Async Ops window for associations where it is not negotiated
    • Fix bug reading Palette Color LUT with implicit length
    • Support decompression and rendering of JPEG Process 2 images
    • Enable modification of Window/Level in DicomImage

    v1.0.26 (10/19/2012)

    • Advanced DIMSE logging options for DicomService base class
    • Advanced configuration options for P-Data-TF PDU buffer lengths
    • Fix bug where final PDV may not be written to P-Data-TF PDU
    • Fix bug reading DIMSE datasets from network

    v1.0.25 (10/18/2012)

    • Fix min/max pixel value calculation for unsigned 32-bit pixel values
    • Fix collection modified exception when calculating group lengths
    • Better handling of null values when adding elements to dataset
    • Fix default values when accessing SS/US element values (Anders Gustafsson, Cureos AB)
    • Fix decoding of JPEG2000 images with signed pixel data (Mahesh Dubey)
    • Ability to decompress single frame from dataset (Mahesh Dubey)
    • Use ThreadPoolQueue to process related response messages in order

    v1.0.24 (10/01/2012)

    • Change the default presentation context transfer syntax acceptance behavior to prefer the SCU proposed order
    • Reject all presentation contexts that have not already been accepted or rejected when sending association accept
    • Add finalizers to temp file classes to catch files not deleted at application exit
    • Remove Exists() method from DicomDataset (duplicates functionality of Contains())
    • Extension methods for recalculating and removing group length elements
    • Force calculation of group lengths when writing File Meta Info and Command datasets
    • Fix exception when attempting to display ROI overlays
    • Add ability to extract embedded overlays from pixel data
    • Detect incorrect transfer syntax in file meta info
    • Add support for reading and displaying GE Private Implicit VR Big Endian syntax

    v1.0.23 (09/26/2012)

    • Fix W/L calculation creating negative window width
    • Round VOI LUT values instead of casting away fraction
    • Fix bug reading signed pixel data from buffer
    • Fix encoding of JPEG2000 images with signed pixel data
    • Throttle queueing of PDUs to prevent out of memory errors for very large datasets
    • Better management of PDU buffer memory
    • Better handling for irregular specific character sets
    • Support displaying images without specified photometric interpretation
    • Ability to read files without preamble or file meta information (including ACR-NEMA)

    v1.0.22 (09/25/2012)

    • Add Offending Element tags to C-Move response output
    • Add exception handling for C-Store requests with unparsable datasets
    • Handle ObjectDisposedExceptions in network operations
    • Fix transcoding between uncompressed transfer syntaxes
    • Don't parse values for IS and DS elements if returning string types
    • Add AMICAS private tags (AMICAS0) to private dictionary
    • Add support for 32-bit pixel data (Anders Gustafsson, Cureos AB)
    • Better handling of default item in Get<> method (Anders Gustafsson, Cureos AB)
    • Support opening DicomFile from Stream (Anders Gustafsson, Cureos AB)
    • Add support SIGMOID VOI LUT function
    • Better handling of size and position of image display window in DICOM Dump
    • Fix calculation of W/L from smallest/largest pixel value elements
    • Fix viewing of images with bits allocated == 16 and bits stored == 8
    • Add support for image scaling in DicomImage
    • Use library to scale images before displaying in DICOM Dump
    • Calculate W/L from pixel data values if no defaults are available
    • Add ability to Get<> Int32 values from US/SS elements
    • Add ability to Get<> DicomVR and IByteBuffer from elements
    • Add ability to Get<> byte[] from elements
    • Add ability to render basic PALETTE COLOR images
    • Fix unnecessary byte swap for 8-bit pixel data stored in OW
    • Add DicomFileException to allow better chance of recovery from parse errors
    • Add maximum PDU length to association output
    • Fix major bug in writing PDataTF PDUs; improvements in performance and memory usage
    • Add ability to propose additional transfer syntaxes in C-Store request

    v1.0.21 (09/14/2012)

    • Add connection close event and socket error handlers to DicomService
    • Fix C-Store SCP example's constructor not passing logger

    v1.0.20 (09/13/2012)

    • Fix exception in DicomClient when releasing association

    v1.0.19 (09/13/2012)

    • Force passing of Logger to DicomService constructor (may be null)

    v1.0.18 (09/13/2012)

    • Print Offending Element values when outputing request to log
    • Add ability to pass custom logger to DicomService based classes

    v1.0.17 (09/12/2012)

    • Check overlay group before attempting to load overlay data
    • Add ability to copy value column to clipboard in DICOM Dump
    • Fix DicomClient linger timeout and add release timeout

    v1.0.16 (09/11/2012)

    • Fix decompression of JPEG Baseline Process 1 images
    • Fix conversion of YBR to RGB in JPEG compressed images
    • Add ability to handle encapsulated OW pixel data
    • Better handling of grayscale images without Window/Level in dataset

    v1.0.15 (09/06/2012)

    • Add ability to store user state object in DicomService based classes
    • Add ability to store user state object in DicomClient
    • Fix handling of UIDs in DicomCFindRequest
    • Fix comparison of private DicomTags
    • Add shortcut constructor for private DicomTags
    • Handle null DicomDateRange in DicomDataset.Add()
    • Modality Worklist C-Find helper method

    v1.0.14 (09/05/2012)

    • Fix bug in DicomDatasetReaderObserver handling zero length Specific Character Set elements
    • Fix bug in DICOM Dump when displaying zero length UIDs
    • Load implementation version from assembly info

    v1.0.13 (09/04/2012)

    • Add ability for library to create and manage temp files
    • User state object for DIMSE requests and responses
    • Fix reading of elements with unknown dictionary VR (Justin Wake)
    • Fix handling of UIDs in DicomCMoveRequest (Justin Wake)
    • Add version to file meta information
    • Add support for multiframe images in DicomImage

    v1.0.12 (08/27/2012)

    • Add private dictionary to assembly
    • Fix parsing errors when reading private dictionaries
    • Fix reading of private tags
    • Miscellaneous enhancements

    v1.0.11 (08/23/2012)

    • Accept unknown transfer syntaxes
    • Add ability to write DICOM dataset to string

    v1.0.10 (08/13/2012)

    • Fix bug preloading dictionary from another assembly (Mahesh Dubey)
    • Add name of UID to DICOM Dump elements
    • Better error handling in GetDateTime method
    • Persistent temporary file remover

    v1.0.9 (08/02/2012)

    • Parsing of Attribute Tag element type
    • Fix bug displaying compressed images
    • Add codec libraries as references to DICOM Dump utility
    • Fix bug writing private sequence lengths
    • Fix stack overflow when reading datasets with lots of sequences
    • Fix big endian pixel data being swapped twice

    v1.0.7 (07/26/2012)

    • Fix exception when accessing overlay data
    • Fix parsing of multi-value string elements
    • Add option to display image in DICOM Dump utility
    • Fix C-Store request from Conquest causing exception

    v1.0.6 (07/24/2012)

    • Don't throw exception for invalid UID characters
    • Allow casting of OB & UN elements to value types

    v1.0.5 (07/22/2012)

    • Bug fixes
    • DICOM Dump example project

    v1.0.4 (07/18/2012)

    • Make logger instance protected in DicomService
    • Lock DICOM dictionary while loading
    • Throw exception if no DICOM dictionary entry is found while adding element to dataset
    • Fix bug where status is not being set in DIMSE response
    • Fix bug in C-Store SCP where file is inaccessible
    • Add C-Store SCP example project

    v1.0.3 (07/11/2012)

    • Fix parsing of explicit length sequences

    v1.0.2 (07/07/2012)

    • Image rendering
    • Don't create offset table for datasets over 4Gb
    • Regenerate dictionary and tags to include grouped elements such as overlays
    • Fix bug in ByteBufferEnumerator

    v1.0.1 (06/22/2012)

    • Initial public release