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OpenCV 4.5.1

OpenCV 4.5.1 and 3.4.13 have been released

OpenCV 4.5.1

OpenCV Library December 22, 2020 News

OpenCV 4.5.1 has been released!

Release highlights

  • Integrated more GSoC 2020 results including improvements in OpenCV.js, optimizations of SIFT and extra DNN samples
  • Improvements in dnn module:
    • optimized and fixed several layers in default and CUDA backends
    • supported OpenVINO 2021.2 release and HDDL backend
  • Improvements in gapi module:
    • Integration with TBB for multithreaded graph processing
    • Further integration with Inference Engine (OpenVINO), ONNX runtime and media libraries opens way for building complete video-processing pipelines using only G-API
    • Added new operations including morphologyEx, kmeans, Background subtractor and Kalman filter
  • Significant improvements in RISC-V universal intrinsics backend have been contributed by Institute of Software, Chinese Academy of Sciences

More details can be found in the Changelog.

Most of bugfixes and improvements have made their way to both 3.4 and master branches.

Contributors

Big thanks to everybody who contributed (here is the incomplete list of patch authors; please report if you contributed but do not see your name here):

opencv

Alexander Alekhin, Anatoliy Talamanov, Ruslan Garnov, Dmitry Matveev, Maksim Shabunin, Orest Chura, Jonathan Cole, Sergei Slashchinin, Anna Khakimova, Anton Potapov, Giles Payne, Igor Murzov, Maxim Pashchenkov, Vincent Rabaud, Alexander Smorkalov, Anastasia Murzova, Dale Phurrough, Ian Maquignaz, Liubov Batanina, Aitik Gupta, Anastasiya Pronina, Chris Ballinger, OrestChura, Quentin Chateau, Roman Kazantsev, Sergey Slashchinin, Steffen Urban, Welton Rodrigo Torres Nascimento, catree, mtfrctl, APrigarina, Alexey Smirnov, Andreas Franek, Anton Veselskyi, AsyaPronina, Christos Malliaridis, Clement Courbet, Daniel Cauchi, Daniel Motilla, Dmitry Budnikov, Felix Gorschlüter, Francesco Petrogalli, Gabriel Nascarella Hishida, Hollow Man, Jack·Boos·Yu, Jaime Rivera, Jiri Kucera, Joe, Jojo R, Jose Quaresma, Julien, Justin Frank, Kong Liangqian, Krushnal Patel, Kun Liang, Mark Shachkov, Martin Štefaňák, Michael Gruner, Mikkel Green, Nathan Godwin, Nikolai, Omar Alzaibaq, Or Avital, Pavel Grunt, Pavel Rojtberg, Randall Britten, Rob Timpe, Suleyman TURKMEN, Vadim Levin, Vadim Pisarevsky, Wenqing Zhang, YashasSamaga, Yiming Li, Yosshi999, ZhangYin, Zhangyin, Zhiming-Zeng, Zhiyuan Chen, ann, arodrigu, berak, chargerKong, joshdoe, junxnone, lizz, masa-iwm, maxint, shioko

opencv_contrib

Alexander Alekhin, DumDereDum, Akash Sharma, Enrico Ronconi, EricFlorin, Iago Suárez, Igor Murzov, Kong Liangqian, Kumataro, Matthias Berberich, Paul Jurczak, Rob Timpe, Shingo Otsuka, Steffen Urban, TT, Vincent Rabaud, Yuriy Obukh, Zhiju Cen, crownedone, cudawarped, riskiest, sunitanyk, unknown

Download OpenCV 4.5.1

Documentation

Sources

Win pack

Win pack with dnn module accelerated by Inference Engine (DLDT) (for AVX2 platforms)

iOS pack

Android pack

Download OpenCV 3.4.13

Documentation

Sources

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