#12635: opencv opencv_contrib 4.1.2
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Reporter: renodr | Owner: bdubbs
Type: enhancement | Status: assigned
Priority: normal | Milestone: 9.1
Component: BOOK | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs):
Fall update for OpenCV 4.x has been released.
Highlights of this release:
DNN module:
Intel® Inference Engine backend (OpenVINO™):
- 2019R3 has been supported
- Support modern IE Core API
- New approach for custom layers management. Now all the OpenCV
layers fallbacks are implemented as IE custom layers which helps to
improve efficiency due less graph partitioning.
- High-level API which introduces dnn::Model class and set of
task-specific classes such dnn::ClassificationModel, dnn::DetectionModel,
dnn::SegmentationModel. It supports automatic pre- and post-processing for
deep learning networks.
Performance improvements and platforms support:
- MSA SIMD implementation has been contributed for MIPS platforms:
https://github.com/opencv/opencv/pull/15422
- OpenCV.js optimization (threading and SIMD as part of GSoC
project): https://github.com/opencv/opencv/pull/15371
- More optimizations using SIMD intrinsics: dotProd, FAST corners,
HOG, LK pyramid (VSX), norm, warpPerspective, etc
- Fixed detection of Cascade Lake CPUs
And many other great patches from OpenCV community:
- GUI: support topmost window mode (Win32/COCOA):
https://github.com/opencv/opencv/pull/14872
- Java: fix Mat.toString() for higher dimensions:
https://github.com/opencv/opencv/pull/15181
- Implementation of colormap "Turbo"
https://github.com/opencv/opencv/pull/15388
- QR-Code detection accuracy improvement:
https://github.com/opencv/opencv/pull/15356
- GSoC: Add learning-based super-resolution module:
https://github.com/opencv/opencv_contrib/pull/2229 and
https://github.com/opencv/opencv_contrib/pull/2231
- Detection accuracy improvement of the white marker aruco corners:
https://github.com/opencv/opencv_contrib/pull/2236
- Added pattern generator tool for aruco:
https://github.com/opencv/opencv_contrib/pull/2250
- and special thanks to @sturkmen72 for improvind and cleaning up
code of samples/tutorials
Breaking changes:
- fixed values thresholding accuracy in calcHist()
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Ticket URL: <http://wiki.linuxfromscratch.org/blfs/ticket/12635#comment:2>
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