OpenCV 4.3.0

OpenCV 4.3.0 has been released!

Release highlights

Improvements in dnn module:
- Tengine library integration for acceleration on ARM
- nGraph OpenVINO API is used by default now
Performance improvements:
- SIMD: resize, integral
- IPP-ICV version has been updated to 2020.0.0
New Win pack with dnn module accelerated by Inference Engine (DLDT)
New HoughCircles algorithm implementation
Alpha matting module
RAPID video rate object tracker implementation
OpenJPEG library integration for JPEG2000 support
SIFT detector has been excluded from non-free algorithms set

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, Liubov Batanina, Dmitry Kurtaev, Maksim Shabunin, YashasSamaga, Vadim Pisarevsky, Alexander Smorkalov, Anton Potapov, [email protected], Anatoliy Talamanov, Hannes Achleitner, Maxim Pashchenkov, Gourav Roy, Vadim Levin, Yashas Samaga B L, Alexander Duda, Chip Kerchner, Collin Brake, Ganesh Kathiresan, Julien, Peter Würtz, Sayed Adel, Andrey Golubev, Brian Wignall, Dizhenin Vlad, Dmitry Matveev, Ilya Lavrenov, Moritz Fischer-Gundlach, NesQl, Pavel Rojtberg, Polina Smolnikova, Rajkiran Natarajan, StefanBruens, berak, catree, cyy, hannesa2, Aditya Kumar, Alexey Smirnov, Andrei-Florin BENCSIK, Andrew Bruce, Arnaud Brejeon, Augusto Fraga Giachero, Christoph Schmidt-Hieber, Eduard Trulls, Elizarov Ilya, Gagandeep Singh, Ianaré Sévi, Igor Murzov, Ivan Galanin, Jan Solanti, Janusz Lisiecki, Jed, Julien Maille, Karl Liu, Khem Raj, Manoj Gupta, Miguel Pari Soto, MoonChasing, Muhammad Taha, Niklas Hambüchen, Nuzhny007, Omar Hassan, Paul E. Murphy, Pierre Letessier, Pratik Raj, RAJKIRAN NATARAJAN, Samuel Thibault, Smirnov Alexey, Suleyman TURKMEN, Talamanov, Anatoliy, Tomoaki Teshima, Yuhel Tanaka, Yuriy Obukh, Zach Lowry, ankit6979, atinfinity, baka-gori, cudawarped, firebladed, gapry, h6197627, ihsan314, iteal, jshiwam, keeper121, midjji, olramde, rayonnant14, sajarindider

opencv_contrib

Alexander Alekhin, Pavel Rojtberg, Alexander Smorkalov, Ayush Garg, catree, David Geldreich, Gagandeep Singh, Igor Murzov, Kunal Tyagi, Lim, Maksim Shabunin, Miloš Komarčević, RAJKIRAN NATARAJAN, Rostislav Vasilikhin, Tobias Senst, Vishal Chiluka, Xavier Weber, akashsharma02, atinfinity, berak, cudawarped, jshiwam, raanyild, shimat, sunitanyk