Release highlights
- Audio support in videoio module (MSMF and GStreamer backends)
- ❗Changed SOVERSION generation rules
- Improvements in dnn module:
- Updated built-in protobuf from 3.5.2 to 3.19.1
- Supported OpenVINO 2021.4.2 LTS release
- Improvements in gapi module:
- Vectorized multiple fluid backend kernels
- GStreamer and oneVPL -based media pipelines support
- Added QR-code encoder
- Radon transform implementation in ximgproc
- F-DBSCAN superpixel algorithm implementation
- [GSoC] OpenCV.js dnn acceleraion via WebNN
More details can be found in the Changelog.
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, Smirnov Egor, Anna Khakimova, Sergey Ivanov, Maksim Shabunin, Trutnev Aleksei, Vincent Rabaud, rogday, Christian Clauss, APrigarina, Anatoliy Talamanov, Harvey, Maxim Pashchenkov, MaximMilashchenko, AleksandrPanov, Andrey Senyaev, Gruhuang, HAN Liutong, Orest Chura, Sinitsina Maria, UncleLLD, Zhuo Zhang, alessandro faria, nickjackolson, ABHINAV JHA, Anastasiya Pronina, Anastasiya(Asya) Pronina, Andrew Ryrie, Chengrui Wang, Fabrice Fontaine, Hanxi Guo, Ihsan Soydemir, Jonathan Dönszelmann, Jong Sin Kim, Julie Bareeva, Lukas Weber, Lukas-Alexander Weber, Maxim Milashchenko, Michael Davis, Michel Promonet, Nicholas Ho, Nikolaos Pappas, Noah Stier, OrestChura, Patrick Whalen, Piotr Kubaj, Polina Smolnikova, Qiushi Zheng, Rostislav Vasilikhin, Ruan, SegaraRai, Sergiu Deitsch, ShuangLiu1992, Simon Wilson, Souriya Trinh, Stanislaw Halik, Stefano Allegretti, Suleyman TURKMEN, Supernovae, Tejas M R, Wehzie, ZaKiiiiiiiii, atrutnev, berak, catree, cpengu, cqn2219076254, cudawarped, dwardor, eplankin, icestraw, jcong, shengyu, tv3141, utibenkei, yuki takehara, zcx
opencv_contrib
Alexander Smorkalov, Suleyman TURKMEN, Kumataro, Pavel Rojtberg, Sergiu Deitsch, Alberto Luaces, Aleksandr Panov, AleksandrPanov, Alexander Alekhin, Julie Bareeva, Noah Stier, Onuralp SEZER, Pranay, Qingnan Duan, Rostislav Vasilikhin, Saurabh Khanduja, Sérgio M. Basto, ToFam, Tomoaki Teshima, TracelessLe, Vincent Rabaud, Your Name, cudawarped, scloke, クロポ
Download OpenCV 4.5.5
Win pack with dnn module accelerated by Inference Engine (DLDT) (for AVX2 platforms)
