OpenCV 4.4.0 has been released!
Release highlights
- SIFT (Scale-Invariant Feature Transform) algorithm has been moved to the main repository (patent expired)
- Improvements in dnn module:
- Supported state-of-art Yolo v4 Detector and EfficientDet models
- Many fixes and optimizations in CUDA backend
- Obj-C / Swift bindings
- BIMEF: A Bio-Inspired Multi-Exposure Fusion Framework for Low-light Image Enhancement
- Added Stroke Width Transform algorithm for Text Detection
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, Dmitry Kurtaev, Liubov Batanina, Maksim Shabunin, Tomoaki Teshima, YashasSamaga, Pierre-Emmanuel Viel, Anton Potapov, Alexander Smorkalov, Dmitry Matveev, Giles Payne, Ilya Lavrenov, Vadim Pisarevsky, Daniel Mallia, Ruslan Garnov, Woody Chow, Yosshi999, cyy, Boubacar, Dmitry Budnikov, Ganesh Kathiresan, Maxim Pashchenkov, Paul Jurczak, Vadim Levin, Yashas Samaga B L, pemmanuelviel, AshihsKrShrivastava, Chris Ballinger, Ilya Churaev, Jan Lebert, Michal W. Tarnowski, Namgoo Lee, Nesterov Alexander, Orest Chura, OrestChura, Philippe FOUBERT, Pinaev Danil, Suleyman TURKMEN, jsxyhelu, Adam Fowles, Alanli, Aleksandr Pertovskiy, Alex Cohn, Alex Studer, Anastasiya, Anatoliy Talamanov, AsyaPronina, Bao “Mantle” Rong, Ben, Ben Li, Christoph, Conrad Poelman, Egor Pugin, Fernando Martin, GFleishman, Gourav Roy, Hannes Achleitner, Heritier Kinke, HowardsPlayPen, Jan Tojnar, Jason Martin, Jessica Wong, Josh Bradley, Ken Shirriff, Martin Nowak, Mehdi Zakaria Benadel, Meng Wang, NesQl, Nicolas Roduit, Nikita Shulga, Ningxin Hu, Pierre Chatelier, Polina Smolnikova, QIU Xiaochen, R-penguins, Rasmus, Rasmus Diederichsen, Rui Hou, Satya Mallick, Sauhaarda Chowdhuri, Smirnov Alexey, Vahid Nikoofard, Vitaly Tuzov, Xiping Yan, YourButterfly, Yuriy Obukh, ab-dragon, albert-github, [email protected], berak, dev-tronifier, dmallia17, hn-88, jackson0223, jasonKercher, jshiwam, jumostedu, mehlukas, okamotoR, shijiayuan, shimat, spectralio, tpoisonooo, tweenietomatoes, woody.chow
opencv_contrib
Tomoaki Teshima, Alexander Alekhin, Pavel Rojtberg, Paul Jurczak, Amy Tabb, Archit Rungta, Daniel Mallia, Namgoo Lee, Vishal Chiluka, catree, shimat, Ajit Pant, Akash Sharma, Devansh Batra, Jan Sellner, John Forrest, K Yasaswi Sri Chandra Gandhi, MaKaNu, Maksim Shabunin, Oded Green, QIU Xiaochen, Vadim Pisarevsky, Xavier Weber, archit120, berak, nosajthenitram, unknown
Download OpenCV 4.4.0
Win pack with dnn module accelerated by Inference Engine (DLDT) (for AVX2 platforms)