https://github.com/opencv/opencv/wiki/ChangeLog#version4100
* Core Module:
+ Added CV_FP16 data type for cv::Mat #24892, #24918.
Deprecated convertFp16 function, added FP16 support to
cv::Mat::convertTo and analogs.
+ Fixed undefined behaviour in some cases related to FP16
arithmetic #25598 + Extended HAL API for minMaxIdx #25563,
LUT #25554, meanStdDev #25483, moments 25490,
normHamming #25491. HAL entries for transpose #25342,
some arithmetic functions #25574, #25506
+ Persistence: output reals as human-friendly expression.
#25351
+ Added cgroups v2 support to parallel framework #25285
+ Added in-place support for cartToPolar and polarToCart
#24893
* Imgproc Module:
+ Added relative displacement field option to cv::remap #24621
+ Added new findContours implementation #25146, #25680, #25385
+ Refactored EMD algorithm to get rid of C-API usage #25469
+ Fixed bug in stackBlur with large kernels #25513
+ Extended HAL for projectPoints #25511, equalizeHist #25565,
Otsu threshold #25509. Added new HAL entries for
gaussianBlur#25397, remap #25399, bilaterialFilter #25343.
* Calib3d Module:
+ Fixed several bugs in hand-eye calibration methods #24897,
#25423
+ Fixed several bugs in findHomography implementation
#25308, #25665
+ Multiple improvements in findChessboardCorners
implementation: #25365, 25195, 25177, 25182, 25145, 24779,
24710, 24833, 25090
+ Improved symmetric circles grid pattern detection #25258
+ Fixed possible infinite loop in USAC #24987
+ Changed approach for initial estimation for focal length in
fisheye calibration #25030
+ Added solvePnP implementation for Fisheye camera model #25028
* DNN module:
+ Significantly improved DNN memory consumption #25181, 25163
+ Added Net::dumpToPbtxt method to review optimized graph with
Netron #25582
+ Added support for several TFLite layers: Global_Pool_2D
#25613, Transpose #25297, HardSwishInt8 #24985, split, fully
connected, SoftMax, Cast #25273.
+ Fixed bugs in several ONNX layers: Slice #25660, Range
#25414, Clip #25319, ReduceMean #25120, Einsum #25100,
Norm #24808, negative axis support in Concat #24865.
+ Added new ONNX layers: Mod #24765, GroupNorm layer #24610.
+ Added more DNN layers with OpenVINO #25524, #25291, 25518.
+ Optimized fastDepthwiseConv #25361 and int8 layers 25230 for
RISC-V with RVV extension
+ Optimized fastDepthwiseConv for RISC-V P Packed SIMD
Extension v0.5.2 #24556
+ Optimized Attention #24476, #25271, #25238, #24613, 25076.
+ Added parallel version for scatter and scatterND #24813
+ Added broadcasting if a.rank() != b.rank() with
CuDNN backend #24834
+ Tuned Winograd algorithm usage for convolutions #24709
+ Added Raft model support and tracking sample with it #24913
+ Added Vulkan backend for NaryEltwiseLayer in DNN
module #24768
+ Imporved modern Yolo detectors support. Added sample and
documentation #24898, #24611
+ Added CuDNN 9+ support #25412
+ Added OpenVINO 2024 support #25199
* G-API module:
+ Ported G-API ONNXRT backend into V2 API #25662
+ Implement concurrent executor #24845
+ A quick value-initialization support GMat #25055
+ Fixed support of mean/scale preprocessing in OV backend for
non-real types #24704
* Objdetect module:
+ Fixed inaccurate Charuco board generation in some cases
(.generateImage()) #24873, #25673
+ Fixed Aruco detector thread safety issue #24807, made Aruco
detector more deterministic #24829
+ Added QR codes Structured Append decoding mode #24548
+ Several bug fixes in QR code detector and decoder #25026
+ Fixed barcode detectAndDecode #25035
+ Ported remaning Aruco and Charuco documentation and samples
to modern API #23018
* VideoIO:
+ Fix race condition in InternalFFMpegRegister initialization.
#25419
+ Orbbec Camera supports MacOS，Gemini2 and Gemini2L support Y16
format #24877
+ Added V4L2_PIX_FMT_SGRBG8 pixel format support to V4L2 backend
#25249
+ Fix incorrect timestamps returned by VideoCapture when
CAP_PROP_FORMAT == -1 #24828
* Python Bindings:
+ Experimental NumPy 2.0 support
+ Added python bindings for Rect2f and Point3i #24919
+ Switched to numeric dtype for MatLike instead of generic
#25406
+ Added path-like objects support wherever file names are
expected #24773
* Platforms support:
+ CUDA 12.4+ support #25658
+ Wayland back-end for Linux #25551, #25510, #25502
+ New LAPACK interface support on MacOS and derivatives
#24804, #25625
+ Added initial version of HAL for RISC-V processors with
P-extension (v0.5.2, Andes platforms) #25167
+ Added ARM KleidiCV as HAL for ARM v8 and v9 processors
(-DWITH_KLEIDICV=ON CMake option) #25443, #25618, ARM
announcement.
+ Added zlib-ng as alternative to classic zlib
(-DWITH_ZLIB_NG=ON CMake option) #24782
+ OneAPI 2024 support (IPP, TBB)
OBS-URL: https://build.opensuse.org/package/show/science/opencv?expand=0&rev=39
Atri Bhattacharya
f75fb4f5d1