FreeImage
A custom distribution of FreeImage, with a CMake-based build system. Used by the Athena Game Framework. (by Kanma)
ITK
Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions. (by InsightSoftwareConsortium)
Our great sponsors
| FreeImage | ITK | |
|---|---|---|
| 1 | 7 | |
| 52 | 1,337 | |
| - | 1.6% | |
| 0.0 | 9.8 | |
| over 6 years ago | 1 day ago | |
| C | C++ | |
| GNU General Public License v3.0 or later | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
FreeImage
Posts with mentions or reviews of FreeImage.
We have used some of these posts to build our list of alternatives
and similar projects.
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Playback in editor is slow motion
>>>> Starting at : Tue Feb 21 18:40:50 2023 Lightworks 2022.3 (Release, build Lw : 136244 Dependencies : 135951 dated Aug 11 2022) OS Version : OSX;Version 13.2.1 (Build 22D68) Available memory : 7.9 GB Total memory : 16.0 GB Virtual Address Range : 33.6 GB Number of CPUs : 10 User has admin rights : No Graphics driver : Apple OpenGL version : 2.1 Metal - 83 18:40:50.450: Setting project base directory /Users/ashleymcglone/Lightworks/Projects/ 18:40:50.453: Starting window manager 18:40:50.456: FreeImage version: 3.18.0 This program uses FreeImage, a free, open source image library supporting all common bitmap formats. See http://freeimage.sourceforge.net for details 18:40:50.672: Checking library versions.. ------------------------------------------------------------------------------------- 18:40:51.059: Starting JUCE message manager 18:40:51.060: ------ Loading plugin : QScan ------ 18:40:51.061: Success 18:40:51.061: ------ Loading plugin : r3d ------ ---------------- OpenCLProgramBase::make() : clBuildProgram() success --------------- ------------------------------------------------------------------------------------- 18:40:51.503: Success 18:40:51.503: ------ Loading plugin : CameraRaw ------ 18:40:52.013: Success 18:40:52.013: ------ Loading plugin : aaf ------ 18:40:52.095: Success 18:40:52.095: ------ Loading plugin : ExportCodecs ------ 18:40:52.227: Low level components: MainConcept VC1 Encoder (10.6.18.6655) 18:40:52.312: Low level components: N/A (10.6.18.6655) 18:40:52.609: (repeated 2 times) 18:40:52.609: Low level components: N/A (10.6.18.6655), N/A (10.6.18.6655) 18:40:52.629: Low level components: MainConcept MPEG-4 Video Encoder (10.6.18.6655) 18:40:52.774: Low level components: MainConcept MPEG-1/2 Video Encoder (0.0.0.0), MainConcept MPEG-1/2 SmartRenderer (10.6.19.1289) 18:40:53.035: Low level components: N/A (10.6.18.6655) 18:40:53.502: Low level components: N/A (10.6.19.1289) 18:40:53.537: Low level components: N/A (10.6.18.6655) 18:40:53.768: Low level components: MainConcept (Broadcast) AVC/H.264 Encoder (10.6.18.6655) 18:40:53.983: Low level components: MainConcept AVC/H.264 Encoder (10.6.18.6655) 18:40:54.040: Low level components: N/A (10.6.18.6655) 18:40:54.089: Low level components: MainConcept DVCPro50 Encoder (0.0.0.0), N/A (10.6.18.6655) 18:40:54.164: Low level components: N/A (10.6.18.6655), N/A (10.6.19.1289) 18:40:54.182: Low level components: N/A (10.6.18.6655) 18:40:54.257: (repeated 2 times) 18:40:54.257: Plugins loaded: 17 (full: 16, demo: 0, free: 1) 18:40:54.259: Success 18:40:54.259: ------ Loading plugin : ffmpeg ------ 18:40:54.286: Success 18:40:54.286: ------ Loading plugin : Cineform ------ 18:40:54.292: Success 18:40:54.292: ------ Loading plugin : uiopt ------ 18:40:54.305: Success 18:40:54.305: ------ Loading plugin : DeckLink_drv ------ 18:40:54.312: Decklink: Driver not installed 18:40:54.312: Success 18:40:54.312: ------ Loading plugin : fxdrv ------ 18:40:54.927: Success 18:40:54.927: ------ Loading plugin : SharedSoftDrv ------ 18:40:54.961: Success 18:40:54.961: ------ Loading plugin : DNxHD ------ 18:40:55.124: Success 18:40:55.124: ------ Loading plugin : xml ------ 18:40:55.157: Success 18:40:55.157: ------ Loading plugin : AmazingMusicTracks ------ 18:40:55.180: Success 18:40:55.180: ------ Loading plugin : export ------ 18:40:55.191: Success 18:40:55.191: ------ Loading plugin : CloudServices ------ 18:40:55.206: Success 18:40:55.206: ------ Loading plugin : Pond5 ------ 18:40:55.227: Success 18:40:55.227: ------ Loading plugin : omf ------ 18:40:55.264: Success 18:40:55.264: ------ Loading plugin : AudioNetwork ------ 18:40:55.286: Skipped 18:40:55.286: ------ Loading plugin : dng ------ 18:40:55.457: Success 18:40:55.457: ------ Loading plugin : vimeo ------ 18:40:55.476: Success 18:40:55.476: ------ Loading plugin : codecs ------ 18:40:56.332: Success 18:40:56.332: ------ Loading plugin : VideoToolbox ------ 18:40:56.334: Success 18:40:56.335: ------ Loading plugin : CoreAudio ------ 18:40:56.413: channels: 2, samplerate 48000.000000 18:40:56.413: Using default audio device 18:40:56.414: 4 devices 18:40:56.414: MacBook Pro Microphone 18:40:56.414: Pro Tools Aggregate I/O 18:40:56.416: ZoomAudioDevice 18:40:56.416: Success 18:40:56.416: ------ Loading plugin : EsWrappers ------ 18:40:56.502: Success 18:40:56.502: ------ Loading plugin : plugplug ------ 18:40:56.575: Success 18:40:56.575: ------ Loading plugin : ProjectShare ------ 18:40:56.597: Success 18:40:56.597: ------ Loading plugin : LwConsole ------ 18:40:56.612: Success 18:40:56.612: ------ Loading plugin : AJA ------ 18:40:56.769: Success 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/Melodyne.vst3, name: Melodyne 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TCrusher.vst3, name: #TCrusher 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TCrossover.vst3, name: #TCrossover 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TPhaser.vst3, name: #TPhaser 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TLimiter.vst3, name: #TLimiter 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TBus Compressor.vst3, name: #TBus Compressor 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TDelay Studio.vst3, name: #TDelay Studio 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TTape Delay.vst3, name: #TTape Delay 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TReverber8.vst3, name: #TReverber8 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TEqualiser.vst3, name: #TEqualiser 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TChorus.vst3, name: #TChorus 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TStereo Delay.vst3, name: #TStereo Delay 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TCompressor.vst3, name: #TCompressor 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TFlanger.vst3, name: #TFlanger 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TDucker.vst3, name: #TDucker 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TAuto Filter.vst3, name: #TAuto Filter 18:40:56.789: Info: scanning /Library/Audio/Plug-Ins/VST3/#TGate Expander.vst3, name: #TGate Expander 18:40:56.789: Info: scanning AUVectorPanner, name: AUVectorPanner 18:40:56.789: Info: scanning AUSphericalHeadPanner, name: AUSphericalHeadPanner 18:40:56.789: Info: scanning HRTFPanner, name: HRTFPanner 18:40:56.789: Info: scanning AUSoundFieldPanner, name: AUSoundFieldPanner 18:40:56.789: Info: scanning AUMixer, name: AUMixer 18:40:56.789: Info: scanning AUMatrixMixer, name: AUMatrixMixer 18:40:56.789: Info: scanning AUMultiSplitter, name: AUMultiSplitter 18:40:56.789: Info: scanning AUMultiChannelMixer, name: AUMultiChannelMixer 18:40:56.789: Info: scanning AUMixer3D, name: AUMixer3D 18:40:56.789: Info: scanning AUSpatialMixer, name: AUSpatialMixer 18:40:58.074: Info: scanning AUSampler, name: AUSampler 18:40:58.074: Info: scanning AUMIDISynth, name: AUMIDISynth 18:40:58.074: Info: scanning DLSMusicDevice, name: DLSMusicDevice 18:40:58.074: Info: scanning Melodyne, name: Melodyne 18:40:58.074: Info: scanning AUSpeechSynthesis, name: AUSpeechSynthesis 18:40:58.074: Info: scanning AUScheduledSoundPlayer, name: AUScheduledSoundPlayer 18:40:58.074: Info: scanning AUNetReceive, name: AUNetReceive 18:40:58.074: Info: scanning AUAudioFilePlayer, name: AUAudioFilePlayer 18:40:58.074: Info: scanning AUSoundIsolation, name: AUSoundIsolation 18:40:58.164: Info: scanning AUPitch, name: AUPitch 18:40:58.165: Info: scanning AUSampleDelay, name: AUSampleDelay 18:40:58.165: Info: scanning AUReverb2, name: AUReverb2 18:40:58.165: Info: scanning AURogerBeep, name: AURogerBeep 18:40:58.165: Info: scanning AURoundTripAAC, name: AURoundTripAAC 18:40:58.165: Info: scanning AUParametricEQ, name: AUParametricEQ 18:40:58.165: Info: scanning AUNewPitch, name: AUNewPitch 18:40:58.165: Info: scanning AUNetSend, name: AUNetSend 18:40:58.165: Info: scanning AUNBandEQ, name: AUNBandEQ 18:40:58.165: Info: scanning AUMatrixReverb, name: AUMatrixReverb 18:40:58.165: Info: scanning AUMultibandCompressor, name: AUMultibandCompressor 18:40:58.165: Info: scanning AULowShelfFilter, name: AULowShelfFilter 18:40:58.165: Info: scanning AULowpass, name: AULowpass 18:40:58.165: Info: scanning AUPeakLimiter, name: AUPeakLimiter 18:40:58.165: Info: scanning AUHighShelfFilter, name: AUHighShelfFilter 18:40:58.165: Info: scanning AUHipass, name: AUHipass 18:40:58.165: Info: scanning AUGraphicEQ, name: AUGraphicEQ 18:40:58.165: Info: scanning AUFilter, name: AUFilter 18:40:58.165: Info: scanning AUDistortion, name: AUDistortion 18:40:58.166: Info: scanning AUDelay, name: AUDelay 18:40:58.166: Info: scanning AUDynamicsProcessor, name: AUDynamicsProcessor 18:40:58.166: Info: scanning AUBandpass, name: AUBandpass 18:40:58.166: Info: scanning #TTape Delay, name: #TTape Delay 18:40:58.166: Info: scanning #TStereo Delay, name: #TStereo Delay 18:40:58.166: Info: scanning #TReverber8, name: #TReverber8 18:40:58.166: Info: scanning #TPhaser, name: #TPhaser 18:40:58.166: Info: scanning #TLimiter, name: #TLimiter 18:40:58.166: Info: scanning #TGate/Expander, name: Expander 18:40:58.166: Info: scanning #TFlanger, name: #TFlanger 18:40:58.166: Info: scanning #TEqualiser, name: #TEqualiser 18:40:58.166: Info: scanning #TDucker, name: #TDucker 18:40:58.166: Info: scanning #TDelay Studio, name: #TDelay Studio 18:40:58.166: Info: scanning #TCrossover, name: #TCrossover 18:40:58.166: Info: scanning #TCompressor, name: #TCompressor 18:40:58.166: Info: scanning #TChorus, name: #TChorus 18:40:58.166: Info: scanning #TCrusher, name: #TCrusher 18:40:58.166: Info: scanning #TBus Compressor, name: #TBus Compressor 18:40:58.166: Info: scanning #TAuto Filter, name: #TAuto Filter 18:40:58.167: Info: creating JUCE instance for #TCrusher 18:40:58.816: Info: creating JUCE instance for #TCrossover 18:40:59.293: Info: creating JUCE instance for #TPhaser 18:40:59.739: Info: creating JUCE instance for #TLimiter 18:41:00.187: Info: creating JUCE instance for #TBus Compressor 18:41:00.473: Info: creating JUCE instance for #TDelay Studio 18:41:00.946: Info: creating JUCE instance for #TTape Delay 18:41:01.410: Info: creating JUCE instance for #TReverber8 18:41:01.872: Info: creating JUCE instance for #TEqualiser 18:41:02.344: Info: creating JUCE instance for #TChorus 18:41:02.803: Info: creating JUCE instance for #TStereo Delay 18:41:03.078: Info: creating JUCE instance for #TFlanger 18:41:03.481: Info: creating JUCE instance for #TAuto Filter 18:41:03.935: Info: creating JUCE instance for #TGate/Expander 18:41:04.389: Info: creating JUCE instance for AUSpeechSynthesis 18:41:04.746: Info: creating JUCE instance for AUScheduledSoundPlayer 18:41:04.746: Info: creating JUCE instance for AUNetReceive 18:41:04.851: Info: creating JUCE instance for AUAudioFilePlayer 18:41:12.078: Loaded device System Sound 18:41:12.078: Found capture source ScreenCapture 18:41:12.078: Found capture source CoreAudio Capture 18:41:12.079: Activating System Sound interrupt 18:41:12.080: Found capture source ScreenCapture 18:41:12.080: Found capture source CoreAudio Capture 18:41:12.080: Activating System Sound interrupt 18:41:12.085: EditManager::setCurrentProject( P0001000 ) 18:41:12.146: Info: creating instance data for \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.146: Info: called createInternalInstance() for \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.146: Info: attempting to create processor instance for type: \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.146: Info: creating JUCE instance for AUSoundIsolation 18:41:12.665: (repeated 2 times) 18:41:12.665: Created audio plugin: AUSoundIsolation 18:41:12.665: Info: assigning internal instance: AUSoundIsolation 18:41:12.665: Warning: Sound to Isolate had an unsafe default value 18:41:12.665: Info: restoring parameters for AUSoundIsolation 18:41:12.665: Warning: Sound to Isolate had an unsafe default value 18:41:12.666: Info: creating instance data for \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.666: Info: called createInternalInstance() for \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.666: Info: attempting to create processor instance for type: \TEK\AUD\FX\PLUGINS\AudioUnit-AUSoundIsolation-3367e49b-766a7f67 18:41:12.666: Info: creating JUCE instance for AUSoundIsolation 18:41:13.110: (repeated 2 times) 18:41:13.110: Created audio plugin: AUSoundIsolation 18:41:13.110: Info: assigning internal instance: AUSoundIsolation 18:41:13.110: Warning: Sound to Isolate had an unsafe default value 18:41:13.110: Info: restoring parameters for AUSoundIsolation 18:41:13.110: Warning: Sound to Isolate had an unsafe default value 18:41:13.119: (repeated 3 times) 18:41:13.119: Added media location : /Users/ashleymcglone/Lightworks/Media/Material/ 18:41:13.119: Added media location : /Users/ashleymcglone/Lightworks/Media/Sound/ 18:41:42.641: EditManager::setCurrentProject( U00-88a70b20-4194-5845-937c-a4a5e7619c0e ) 18:41:42.646: ProjectFilterManager : built 9 filters in 2ms 18:41:42.647: MediaFileToClipMap : found 0 clips in 1ms 18:41:42.647: ----- Entered project 'Bill' (5 logs) ----- 18:41:42.754: Using LwOverlayResource [Lw Overlay Resource] 18:41:42.792: Detected variable/unusual frame rate: 24.00 - 25.00 18:41:42.793: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with EsWrapper FileReader for eAudioEssence 18:41:42.798: Detected variable/unusual frame rate: 23.08 - 25.00 18:41:42.798: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080031.mov" with EsWrapper FileReader for eAudioEssence 18:41:42.798: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/Bill.wav" with Software FileReader for eAudioEssence 18:41:42.822: Detected variable/unusual frame rate: 24.00 - 25.00 18:41:42.823: reopen "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 18:41:43.060: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:08:49.242: Detected variable/unusual frame rate: 24.00 - 25.00 19:08:49.243: reopen "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:08:49.495: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:08:53.684: Detected variable/unusual frame rate: 24.00 - 25.00 19:08:53.684: reopen "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:08:53.953: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:09:04.126: Detected variable/unusual frame rate: 24.00 - 25.00 19:09:04.126: reopen "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:09:04.366: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:09:28.308: Detected variable/unusual frame rate: 24.00 - 25.00 19:09:28.309: reopen "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:09:28.542: Open "/Users/ashleymcglone/Downloads/Testimonies/Bill Final/09182022_080037.mov" with FFmpeg for eVideoEssence 19:09:28.843: EditManager::setCurrentProject( P0001000 ) 19:09:28.952: Closing down VTR subsystem....19:09:28.952: done 19:09:29.079: ------ Unloading plugin : SharedSoftDrv ------ 19:09:29.081: ------ Unloading plugin : DNxHD ------ 19:09:29.085: ------ Unloading plugin : xml ------ 19:09:29.089: ------ Unloading plugin : AmazingMusicTracks ------ 19:09:29.092: ------ Unloading plugin : export ------ 19:09:29.095: ------ Unloading plugin : CloudServices ------ 19:09:29.096: ------ Unloading plugin : Pond5 ------ 19:09:29.099: ------ Unloading plugin : omf ------ 19:09:29.102: ------ Unloading plugin : dng ------ 19:09:29.105: ------ Unloading plugin : vimeo ------ 19:09:29.108: ------ Unloading plugin : codecs ------ 19:09:29.117: ------ Unloading plugin : VideoToolbox ------ 19:09:29.117: ------ Unloading plugin : CoreAudio ------ 19:09:29.119: ------ Unloading plugin : EsWrappers ------ 19:09:29.122: ------ Unloading plugin : plugplug ------ 19:09:29.124: ------ Unloading plugin : ProjectShare ------ 19:09:29.126: ------ Unloading plugin : LwConsole ------ 19:09:29.127: ------ Unloading plugin : AJA ------ 19:09:29.127: ------ Unloading plugin : QScan ------ 19:09:29.127: ------ Unloading plugin : r3d ------ 19:09:29.127: ------ Unloading plugin : CameraRaw ------ 19:09:29.129: ------ Unloading plugin : aaf ------ 19:09:29.130: ------ Unloading plugin : ExportCodecs ------ 19:09:29.130: ------ Unloading plugin : ffmpeg ------ 19:09:29.130: ------ Unloading plugin : Cineform ------ 19:09:29.132: ------ Unloading plugin : uiopt ------ 19:09:29.134: ------ Unloading plugin : DeckLink_drv ------ 19:09:29.135: ------ Unloading plugin : fxdrv ------ 19:09:29.137: Shutting down JUCE message manager 19:09:29.142: 19:09:29.142: <<<< Exiting at : Tue Feb 21 19:09:29 2023
ITK
Posts with mentions or reviews of ITK.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-02-10.
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Create Elegant C++ Spatial Processing Pipelines in WebAssembly
The itkImage.h header is ITK's standard n-dimensional image data structure.
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Welcome and guide first-time contributors with a GitHub Action
In this post, we review how the Insight Toolkit (ITK) leverages the first-interaction GitHub Action to communicate our appreciation of the efforts of first-time contributors, establish norms for behavior, and provide civil pointers on where to find more information.
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How to raise the quality of scientific Jupyter notebooks
Jupyter has emerged as a fundamental component in artificial intelligence (AI) solution development and scientific inquiry. Jupyter notebooks are prevelant in modern education, commercial applications, and academic research. The Insight Toolkit (ITK) is an open source, cross-platform toolkit for N-dimensional processing, segmentation, and registration used to obtain quantitative insights from medical, biomicroscopy, material science, and geoscience images. The ITK community highly values scientific reproducibility and software sustainability. As a result, advanced computational methods in the toolkit have a dramatically larger impact because they can be reproducibly applied in derived research or commercial applications.
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Holy shit, it really seems to be working!
It also depends heavily on the toolchain. One of the first successful toolkits used to circumvent image-based security measures was ITK, originally a toolkit for medical image processing. That's not even using AI (at least back then). Here you build "piplines" by lego'ing together functions like building blocks, there are rules to it, but the sleek interface design make it very versatile. It was a nightmare to devise ways to counteract, since the crucial processing steps could easily be switched around as long as the linear algebra made sense. And when you have a toolchain excelling in fourier-space based analysis and interaction, the linear algebra makes sense in a lot of different orders of doing steps.
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Ask HN: What is a cool technology to learn?
Yeah, Prolog is pretty cool!
Another technology I found interesting too learn is ITK (https://itk.org/). You need a different mindset using ITK than other image processing libraries.
Lisp is cool as well.
And fully homomorphic encryption.
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Give me a starting nudge: microscopy image processing in python
VTK is a powerful visualization package, but it's more for working with 3D FEM/CFD data. There are lots of things in there though, so it may be useful. The sister project Paraview is an application which can be used to work with data interactively. Both have great Python support. There is also ITK which is focused on with image data, like medical scans - never used it, though.
What are some alternatives?
When comparing FreeImage and ITK you can also consider the following projects:
OpenImageIO - Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.
OpenCV - Open Source Computer Vision Library
VTK - Mirror of Visualization Toolkit repository
imagick - Go binding to ImageMagick's MagickWand C API
GDCM - Grassroots DICOM read-only mirror. Only for Pull Request. Please report bug at http://sf.net/p/gdcm
CImg - The CImg Library is a small and open-source C++ toolkit for image processing
tesseract-ocr - Tesseract Open Source OCR Engine (main repository)
CxImage
libvips - A fast image processing library with low memory needs.
Flutter - Flutter makes it easy and fast to build beautiful apps for mobile and beyond