github.com/hybridgroup/gocv

• build
  • add make task for Raspbian install with ARM hardware optimizations
  • use all available cores to compile OpenCV on Windows as discussed in issue #275
  • download performance improvements for OpenCV installs on Windows
  • correct various errors and issues with OpenCV installs on Fedora and CentOS
• core
  • correct spelling error in constant to fix issue #269
  • implemented & added test for Mat.SetTo
  • improve Multiply() GoDoc and test showing Scalar() multiplication
  • mutator functions for Mat add, subtract, multiply, and divide for uint8 and float32 values.
• dnn
  • add FP16BlobFromImage() function to convert an image Mat to a half-float aka FP16 slice of bytes
• docs
  • fix a varible error in example code in README

• bugfix
  • correct several errors in size parameter ordering
• build
  • add missing opencv_face lib reference to env.sh
  • Support for non-brew installs of opencv on Darwin
• core
  • add Channels() method to Mat
  • add ConvertTo() and NewMatFromBytes() functions
  • add Type() method to Mat
  • implement ConvertFp16() function
• dnn
  • use correct size for blob used for Caffe/Tensorflow tests
• docs
  • Update copyright date and Apache 2.0 license to include full text
• examples
  • cleanup mjpeg streamer code
  • cleanup motion detector comments
  • correct use of defer in loop
  • use correct size for blob used for Caffe/Tensorflow examples
• imgproc
  • Add cv::approxPolyDP() bindings.
  • Add cv::arcLength() bindings.
  • Add cv::matchTemplate() bindings.
  • correct comment and link for Blur function
  • correct docs for BilateralFilter()

• core
  • add ColorMapFunctions and their test
  • add Mat ToBytes
  • add Reshape and MinMaxLoc functions
  • also delete points
  • fix mistake in the norm function by taking NormType instead of int as parameter
  • SetDoubleAt func and his test
  • SetFloatAt func and his test
  • SetIntAt func and his test
  • SetSCharAt func and his test
  • SetShortAt func and his test
  • SetUCharAt fun and his test
  • use correct delete operator for array of new, eliminates a bunch of memory leaks
• dnn
  • add support for loading Tensorflow models
  • adjust test for Caffe now that we are auto-cropping blob
  • first pass at adding Caffe support
  • go back to older function signature to avoid version conflicts with Intel CV SDK
  • properly close DNN Net class
  • use approx. value from test result to account forr windows precision differences
• features2d
  • implement GFTTDetector, KAZE, and MSER algorithms
  • modify MSER test for Windows results
• highgui
  • un-deprecate WaitKey function needed for CLI apps
• imgcodec
  • add fileExt type
• imgproc
  • add the norm wrapper and use it in test for WarpAffine and WarpAffineWithParams
  • GetRotationMatrix2D, WarpAffine and WarpAffineWithParams
  • use NormL2 in wrap affine
• pvl
  • add support for FaceRecognizer
  • complete wrappers for all missing FaceDetector functions
  • update instructions to match R3 of Intel CV SDK
• docs
  • add more detail about exactly which functions are not yet implememented in the modules that are marked as 'Work Started'
  • add refernece to Tensorflow example, and also suggest brew upgrade for MacOS
  • improve ROADMAP to help would-be contributors know where to get started
  • in the readme, explain compiling to a static library
  • remove many godoc warnings by improving function descriptions
  • update all OpenCV 3.3.1 references to v3.4.0
  • update CGO_LDFLAGS references to match latest requirements
  • update contribution guidelines to try to make it more inviting
• examples
  • add Caffe classifier example
  • add Tensorflow classifier example
  • fixed closing window in examples in infinite loop
  • fixed format of the examples with gofmt
• test
  • add helper function for test : floatEquals
  • add some attiribution from test function
  • display OpenCV version in case that test fails
  • add round function to allow for floating point accuracy differences due to GPU usage.
• build
  • improve search for already installed OpenCV on MacOS
  • update Appveyor build to Opencv 3.4.0
  • update to Opencv 3.4.0

• core
  • correct Merge implementation
• docs
  • change wording and formatting for roadmap
  • update roadmap for a more complete list of OpenCV functionality
  • sequence docs in README in same way as the web site, aka by OS
  • show in README that some work was done on contrib face module
• face
  • LBPH facerecognizer bindings
• highgui
  • complete implementation for remaining API functions
• imgcodecs
  • add IMDecode function
• imgproc
  • elaborate on HoughLines & HoughLinesP tests to fetch a few individual results
• objdetect
  • add GroupRectangles function
• xfeatures2d
  • add SIFT and SURF algorithms from OpenCV contrib
  • improve description for OpenCV contrib
  • run tests from OpenCV contrib

• core
  • Add cv::LUT binding
• examples
  • do not try to go fullscreen, since does not work on OSX
• features2d
  • add AKAZE algorithm
  • add BRISK algorithm
  • add FastFeatureDetector algorithm
  • implement AgastFeatureDetector algorithm
  • implement ORB algorithm
  • implement SimpleBlobDetector algorithm
• osx
  • Fix to get the OpenCV path with "brew info".
• highgui
  • use new Window with thread lock, and deprecate WaitKey() in favor of Window.WaitKey()
  • use Window.WaitKey() in tests
• imgproc
  • add tests for HoughCircles
• pvl
  • use correct Ptr referencing
• video
  • use smart Ptr for Algorithms thanks to @alalek
  • use unsafe.Pointer for Algorithm
  • move tests to single file now that they all pass

• core
  • add TermCriteria for iterative algorithms
• imgproc
  • add CornerSubPix() and GoodFeaturesToTrack() for corner detection
• objdetect
  • add DetectMultiScaleWithParams() for HOGDescriptor
  • add DetectMultiScaleWithParams() to allow override of defaults for CascadeClassifier
• video
  • add CalcOpticalFlowFarneback() for Farneback optical flow calculations
  • add CalcOpticalFlowPyrLK() for Lucas-Kanade optical flow calculations
• videoio
  • use temp directory for Windows test compat.
• build
  • enable Appveyor build w/cache
• osx
  • update env path to always match installed OpenCV from Homebrew

• overall
  • Update to use OpenCV 3.3.1

• docs
  • Correct Windows build location from same @jpfarias fix to gocv-site
• core
  • Add Resize
  • Add Mat merge and Discrete Fourier Transform
  • Add CopyTo() and Normalize()
  • Implement various important Mat logical operations
• video
  • BackgroundSubtractorMOG2 algorithm now working
  • Add BackgroundSubtractorKNN algorithm from video module
• videoio
  • Add VideoCapture::get
• imgproc
  • Add BilateralFilter and MedianBlur
  • Additional drawing functions implemented
  • Add HoughCircles filter
  • Implement various morphological operations
• highgui
  • Add Trackbar support
• objdetect
  • Add HOGDescriptor
• build
  • Remove race from test on Travis, since it causes CGo segfault in MOG2

• Switchover to custom domain for package import
• Yes, we have Windows

Initial release!

• [X] Video capture
• [X] GUI Window to display video
• [X] Image load/save
• [X] CascadeClassifier for object detection/face tracking/etc.
• [X] Installation instructions for Ubuntu
• [X] Installation instructions for OS X
• [X] Code example to use VideoWriter
• [X] Intel CV SDK PVL FaceTracker support
• [X] imgproc Image processing
• [X] Travis CI build
• [X] At least minimal test coverage for each OpenCV class
• [X] Implement more of imgproc Image processing