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Project Description

The Open Source Computer Vision Library has >2500 algorithms, extensive documentation and sample code for real-time computer vision. It works on Windows, Linux, Mac OS X, Android and iOS.

Homepage: opencv.org Q&A forum: answers.opencv.org Documentation: docs.opencv.org

Please pay special attention to our tutorials! http://docs.opencv.org/doc/tutorials/tutorials.html

Books about the OpenCV are described here: http://opencv.org/books.html

System Requirements

Operating System: All 32-bit MS Windows (95/98/NT/2000/XP/Vista/7), Android, MacOSX, POSIX (Linux,BSD,Solaris etc..), Linux, Windows 95/98/ME, Windows NT/2000, Windows XP

Download Package list

Latest 5 files
Name Size Date Download count
opencv-4.2.0-vc14_vc15.exe 210.7 MB 2019-12-21 07:49 1290
opencv-4.2.0-ios-framework.zip 153.6 MB 2019-12-21 07:49 6
opencv-4.2.0-docs.zip 82.3 MB 2019-12-21 07:49 21
opencv-4.2.0-android-sdk.zip 223.5 MB 2019-12-21 07:49 56
README.md 0.1 KB 2019-12-20 22:44 7
All Files
4.2.0
opencv-4.2.0-ios-framework.zip153.6 MB2019-12-21 07:496
opencv-4.2.0-vc14_vc15.exe210.7 MB2019-12-21 07:491290
opencv-4.2.0-android-sdk.zip223.5 MB2019-12-21 07:4956
opencv-4.2.0-docs.zip82.3 MB2019-12-21 07:4921
OpenCV 4.2.0.tar.gz85.7 MB2019-12-20 22:4434
OpenCV 4.2.0.zip89.7 MB2019-12-20 22:4440
README.md0.1 KB2019-12-20 22:447
3.4.9
opencv-3.4.9-vc14_vc15.exe190.4 MB2019-12-20 19:3126
opencv-3.4.9-docs.zip77.6 MB2019-12-20 19:311
opencv-3.4.9-ios-framework.zip131.8 MB2019-12-20 19:311
opencv-3.4.9-android-sdk.zip324.5 MB2019-12-20 19:310
OpenCV 3.4.9.tar.gz85.3 MB2019-12-20 00:1611
OpenCV 3.4.9.zip89.6 MB2019-12-20 00:1616
README.md31 B2019-12-20 00:162
4.1.2
opencv-4.1.2-docs.zip82.0 MB2019-10-10 20:4622
opencv-4.1.2-ios-framework.zip150.9 MB2019-10-10 20:4610
opencv-4.1.2-vc14_vc15.exe208.4 MB2019-10-10 20:46228
opencv-4.1.2-android-sdk.zip223.2 MB2019-10-10 20:46106
OpenCV 4.1.2.tar.gz85.4 MB2019-10-10 07:5337
OpenCV 4.1.2.zip89.2 MB2019-10-10 07:5359
README.md0.1 KB2019-10-10 07:5315
3.4.8
opencv-3.4.8-android-sdk.zip324.1 MB2019-10-10 04:587
opencv-3.4.8-docs.zip78.6 MB2019-10-10 04:585
opencv-3.4.8-ios-framework.zip128.7 MB2019-10-10 04:581
opencv-3.4.8-vc14_vc15.exe190.2 MB2019-10-10 04:58209
OpenCV 3.4.8.tar.gz85.3 MB2019-10-09 20:4212
OpenCV 3.4.8.zip89.6 MB2019-10-09 20:4225
README.md31 B2019-10-09 20:421
4.1.1
opencv-4.1.1-docs.zip81.7 MB2019-07-26 14:32160
opencv-4.1.1-ios-framework.zip149.7 MB2019-07-26 14:3233
opencv-4.1.1-vc14_vc15.exe226.4 MB2019-07-26 14:321090
opencv-4.1.1-android-sdk.zip232.1 MB2019-07-26 14:32130
OpenCV 4.1.1.tar.gz86.4 MB2019-07-26 12:24186
OpenCV 4.1.1.zip90.1 MB2019-07-26 12:24236
README.md0.1 KB2019-07-26 12:2413
3.4.7
opencv-3.4.7-android-sdk.zip353.0 MB2019-07-26 12:5647
opencv-3.4.7-docs.zip79.3 MB2019-07-26 12:56145
opencv-3.4.7-ios-framework.zip129.3 MB2019-07-26 12:5612
opencv-3.4.7-vc14_vc15.exe214.3 MB2019-07-26 12:56131
OpenCV 3.4.7.tar.gz86.3 MB2019-07-26 04:01127
OpenCV 3.4.7.zip90.6 MB2019-07-26 04:01187
README.md31 B2019-07-26 04:0110
4.1.0
opencv-4.1.0-vc14_vc15.exe219.8 MB2019-04-08 17:15261
opencv-4.1.0-android-sdk.zip219.1 MB2019-04-08 17:15324
opencv-4.1.0-docs.zip80.7 MB2019-04-08 17:1517
opencv-4.1.0-ios-framework.zip146.1 MB2019-04-08 17:1515
OpenCV 4.1.0.tar.gz86.1 MB2019-04-08 02:09105
OpenCV 4.1.0.zip89.8 MB2019-04-08 02:0973
README.md0.1 KB2019-04-08 02:0911
3.4.6
opencv-3.4.6-ios-framework.zip129.4 MB2019-04-07 21:344
opencv-3.4.6-vc14_vc15.exe211.7 MB2019-04-07 21:3481
opencv-3.4.6-android-sdk.zip346.3 MB2019-04-07 21:3430
opencv-3.4.6-docs.zip78.7 MB2019-04-07 21:3427
OpenCV 3.4.6.tar.gz86.1 MB2019-04-07 06:43121
OpenCV 3.4.6.zip90.3 MB2019-04-07 06:43127
README.md31 B2019-04-07 06:4322
4.0.1
opencv-4.0.1-vc14_vc15.exe194.9 MB2019-03-22 17:05112
opencv-4.0.1-android-sdk.zip206.0 MB2018-12-22 20:2539
opencv-4.0.1-docs.zip80.8 MB2018-12-22 20:2531
opencv-4.0.1-ios-framework.zip142.9 MB2018-12-22 20:2515
OpenCV 4.0.1.tar.gz85.5 MB2018-12-22 16:0330
OpenCV 4.0.1.zip89.2 MB2018-12-22 16:0322
README.md31 B2018-12-22 16:0318
3.4.5
opencv-3.4.5-docs.zip79.4 MB2018-12-22 04:0721
opencv-3.4.5-ios-framework.zip127.2 MB2018-12-22 04:075
opencv-3.4.5-vc14_vc15.exe207.5 MB2018-12-22 04:07144
opencv-3.4.5-android-sdk.zip340.6 MB2018-12-22 04:0717
OpenCV 3.4.5.tar.gz85.9 MB2018-12-21 23:3253
OpenCV 3.4.5.zip90.1 MB2018-12-21 23:3260
README.md31 B2018-12-21 23:3210
4.0.0
opencv-4.0.0-docs.zip80.6 MB2018-11-18 21:1313
opencv-4.0.0-ios-framework.zip142.4 MB2018-11-18 21:0813
opencv-4.0.0-vc14_vc15.exe193.1 MB2018-11-18 21:0872
OpenCV 4.0.0.tar.gz85.4 MB2018-11-18 18:1927
OpenCV 4.0.0.zip89.0 MB2018-11-18 18:1946
README.md0.1 KB2018-11-18 18:199
3.4.4
opencv-3.4.4-ios-framework.zip126.7 MB2018-11-17 22:139
opencv-3.4.4-vc14_vc15.exe207.2 MB2018-11-17 22:1349
opencv-3.4.4-android-sdk.zip340.2 MB2018-11-17 22:1338
opencv-3.4.4-docs.zip79.3 MB2018-11-17 22:1313
OpenCV 3.4.4.tar.gz85.9 MB2018-11-17 19:31133
OpenCV 3.4.4.zip90.1 MB2018-11-17 19:3167
README.md31 B2018-11-17 19:3122
4.0.0-rc
opencv-4.0.0-rc-vc14_vc15.exe210.1 MB2018-11-13 06:526
opencv-4.0.0-rc-docs.zip81.0 MB2018-11-13 06:523
opencv-4.0.0-rc-ios-framework.zip141.3 MB2018-11-13 06:524
OpenCV 4.0.0-rc.tar.gz84.8 MB2018-11-13 04:416
OpenCV 4.0.0-rc.zip88.4 MB2018-11-13 04:417
README.md15 B2018-11-13 04:413
4.0.0-beta
opencv-4.0.0-beta-docs.zip81.0 MB2018-10-16 15:2411
opencv-4.0.0-beta-ios-framework.zip142.1 MB2018-10-16 15:249
opencv-4.0.0-beta-vc14_vc15.exe221.5 MB2018-10-16 15:2480
OpenCV 4.0.0-beta.tar.gz85.8 MB2018-10-16 05:3310
OpenCV 4.0.0-beta.zip89.4 MB2018-10-16 05:337
opencv-unix
3.4.3
opencv-3.4.3.zip89.6 MB2018-08-29 21:47219
3.4.2
opencv-3.4.2.zip89.4 MB2018-07-05 00:22139
3.4.1
opencv-3.4.1.zip88.9 MB2018-02-26 18:53719
3.4.0
opencv-3.4.0.zip88.9 MB2017-12-23 08:35455
3.3.1
opencv-3.3.1.zip87.6 MB2017-10-25 01:37130
3.3.0
opencv-3.3.0.zip82.9 MB2017-08-04 13:43278
3.2.0
opencv-3.2.0.zip80.1 MB2016-12-23 23:06816
2.4.13
opencv-2.4.13.zip92.1 MB2016-05-19 23:261317
3.1.0
opencv-3.1.0.zip77.3 MB2015-12-19 01:19764
3.0.0
opencv-3.0.0.zip98.6 MB2015-06-04 21:38417
3.0.0-rc1
opencv-3.0.0-rc1.zip98.4 MB2015-04-24 21:49187
2.4.11
opencv-2.4.11.zip89.5 MB2015-02-27 01:05722
2.4.10
opencv-2.4.10.zip89.5 MB2014-10-08 04:041778
2.4.9
opencv-2.4.9.zip89.5 MB2014-04-17 21:443833
2.3.1
OpenCV-2.3.1a.tar.bz231.9 MB2011-09-13 03:12666
2.2
OpenCV-2.2.0.tar.bz219.3 MB2010-12-05 12:491313
2.1
OpenCV-2.1-Readme.txt1.3 KB2010-04-06 10:47219
OpenCV-2.1.0.tar.bz214.1 MB2010-04-06 10:43714
2.0
OpenCV-2.0.0.tar.bz212.5 MB2009-10-01 09:59744
OpenCV-2.0.0.Readme.Please.txt2.0 KB2009-10-01 09:54148
1.1pre1
opencv-1.1pre1.tar.gz21.8 MB2008-10-20 04:051689
1.0
chopencv-2.5.0.tar.gz13.6 KB2007-05-25 00:2169
opencv-1.0.0.tar.gz10.9 MB2006-11-07 06:283125
opencv-win
3.4.3
opencv-3.4.3-vc14_vc15.exe177.8 MB2018-08-29 21:12233
3.4.2
opencv-3.4.2-vc14_vc15.exe177.3 MB2018-07-05 00:23401
2.4.13
opencv-2.4.13.6-vc14.exe192.9 MB2018-04-22 08:11323
opencv-2.4.13.5-vc14.exe193.0 MB2017-12-23 07:53161
opencv-2.4.13.4-vc14.exe193.0 MB2017-10-25 02:02106
opencv-2.4.13.3-vc14.exe192.6 MB2017-08-01 20:23173
opencv-2.4.13.2-vc14.exe192.4 MB2016-12-19 19:24566
opencv-2.4.13.exe273.1 MB2016-05-19 23:283504
3.4.1
opencv-3.4.1-vc14_vc15.exe176.0 MB2018-02-26 18:524923
3.4.0
opencv-3.4.0-vc14_vc15.exe174.2 MB2017-12-23 08:391008
2.4.13.483.4 MB2017-10-25 01:4997
3.3.1
opencv-3.3.1-vc14.exe145.4 MB2017-10-25 01:28144
3.3.0
opencv-3.3.0-vc14.exe161.5 MB2017-08-04 13:331070
3.2.0
opencv-3.2.0-vc14.exe120.6 MB2016-12-24 00:162758
2.4.12
opencv-2.4.12.exe272.6 MB2016-03-01 21:08903
3.1.0
opencv-3.1.0.exe112.4 MB2015-12-19 01:031219
3.0.0
opencv-3.0.0.exe275.5 MB2015-06-04 20:091379
3.0.0-rc1
opencv-3.0.0-rc1.exe277.8 MB2015-04-24 17:57307
2.4.11
opencv-2.4.11.exe359.1 MB2015-02-27 00:074805
3.0.0-beta
opencv-3.0.0-beta.exe371.6 MB2014-11-10 20:25860
2.4.10
opencv-2.4.10.exe358.6 MB2014-10-02 18:047188
3.0.0-alpha
opencv-3.0.0-alpha.exe358.7 MB2014-08-18 22:49711
2.4.9
opencv-2.4.9.exe357.1 MB2014-04-16 19:3011928
2.3.1
OpenCV-2.4.0-GPU-demos-pack-win64.exe77.0 MB2012-04-04 21:26281
OpenCV-2.4.0-GPU-demos-pack-win32.exe73.0 MB2012-04-04 21:13584
OpenCV-2.3.1-win-superpack.exe128.0 MB2011-08-18 05:066650
2.2
OpenCV-2.2.0-win-README.txt0.9 KB2010-12-05 13:03260
OpenCV-2.2.0-win.zip29.6 MB2010-12-05 12:423350
OpenCV-2.2.0-win32-vs2010.exe38.0 MB2010-12-05 12:415784
2.1
OpenCV-2.1.0-win.zip24.6 MB2010-04-06 10:354442
OpenCV-2.1.0-win32-vs2008.exe29.8 MB2010-04-06 10:036521
OpenCV-2.1-Readme.txt3.6 KB2010-04-06 09:57346
2.0
OpenCV-2.0.0a-win32.Readme.Please.txt4.5 KB2009-10-01 10:46312
OpenCV-2.0.0a-win32.exe25.1 MB2009-10-01 10:423718
1.1pre1
OpenCV_1.1pre1a.exe26.2 MB2008-10-18 03:321625
1.0
chopencv-2.5.0-win-binary.zip3.1 MB2007-05-25 00:24607
OpenCV_1.0.exe17.6 MB2006-10-20 00:492149
opencv-ios
3.4.3
opencv-3.4.3-ios-framework.zip123.3 MB2018-08-29 21:0747
3.4.2
opencv-3.4.2-ios-framework.zip122.1 MB2018-07-05 00:2151
2.4.13
opencv-2.4.13.6-ios-framework.zip73.6 MB2018-04-22 08:0917
opencv-2.4.13.5-ios-framework.zip73.5 MB2017-12-23 07:5111
opencv-2.4.13.4-ios-framework.zip68.4 MB2017-10-25 01:5417
opencv-2.4.13.3-ios-framework.zip66.6 MB2017-08-01 20:0716
opencv-2.4.13.2-ios-framework.zip66.6 MB2016-12-19 19:2598
opencv2.framework.zip77.9 MB2016-05-19 23:2571
3.4.1
opencv-3.4.1-ios-framework.zip116.5 MB2018-02-26 18:4532
3.4.0
opencv-3.4.0-ios-framework.zip114.4 MB2017-12-23 08:3649
3.3.1
opencv-3.3.1-ios-framework.zip152.2 MB2017-10-25 01:2333
3.3.0
opencv-3.3.0-ios-framework.zip178.4 MB2017-08-04 13:2872
3.2.0
opencv-3.2.0-ios-framework.zip70.2 MB2016-12-23 23:08169
3.1.0
opencv2.framework.zip77.4 MB2015-12-19 01:07114
3.0.0
opencv2.framework.zip26.9 MB2015-06-04 20:06113
3.0.0-rc1
opencv2.framework.zip26.6 MB2015-04-24 17:5433
2.4.11
opencv2.framework.zip25.4 MB2015-02-27 01:18460
2.4.10
opencv2.framework.zip25.4 MB2014-12-10 00:57155
3.0.0-beta
opencv2.framework.zip25.8 MB2014-11-10 18:47109
3.0.0-alpha
opencv2.framework.zip25.2 MB2014-08-20 16:4192
2.4.9
opencv2.framework.zip26.0 MB2014-04-21 23:04653
opencv-android
3.4.3
opencv-3.4.3-android-sdk.zip315.2 MB2018-08-29 21:07181
3.4.2
opencv-3.4.2-android-sdk.zip313.5 MB2018-07-05 00:2493
2.4.13
opencv-2.4.13.6-android-sdk.zip79.1 MB2018-04-22 08:0973
opencv-2.4.13.5-android-sdk.zip79.1 MB2017-12-23 07:5212
opencv-2.4.13.4-android-sdk.zip79.1 MB2017-10-25 01:5214
opencv-2.4.13.3-android-sdk.zip79.0 MB2017-08-01 20:0219
opencv-2.4.13.1-android-sdk.zip78.5 MB2016-12-19 19:1990
opencv-2.4.13.2-android-sdk.zip78.9 MB2016-12-19 19:1858
3.4.1
opencv-3.4.1-android-sdk.zip317.3 MB2018-02-26 18:50166
3.4.0
opencv-3.4.0-android-sdk.zip320.6 MB2017-12-23 08:37219
3.3.1
opencv-3.3.1-android-sdk.zip312.1 MB2017-10-25 01:1884
3.3.0
opencv-3.3.0-android-sdk.zip379.9 MB2017-08-04 13:32145
3.2.0
opencv-3.2.0-android-sdk.zip240.2 MB2016-12-23 23:122105
3.1.0
OpenCV-3.1.0-android-sdk.zip162.3 MB2015-12-19 00:55653
3.0.0
OpenCV-3.0.0-android-sdk-1.zip166.6 MB2015-06-24 17:40197
OpenCV-3.0.0-android-sdk.zip170.8 MB2015-06-04 20:091105
3.0.0-rc1
OpenCV-3.0.0-rc1-android-sdk-1.zip98.1 MB2015-05-13 00:4277
OpenCV-3.0.0-rc1-android-sdk.zip98.0 MB2015-04-24 17:5370
2.4.11
OpenCV-2.4.11-android-sdk.zip120.1 MB2015-03-05 21:36808
2.4.10
OpenCV-2.4.10-android-sdk.zip120.1 MB2014-10-08 03:541663
2.4.9
OpenCV-2.4.9-android-sdk.zip118.3 MB2014-04-17 17:422386
2.3.1
OpenCV-2.3.1-android-bin.tar.bz266.4 MB2011-08-12 23:031564
3rdparty
ippicv
ippicv_windows_20141027.zip26.0 MB2014-11-05 23:0312071
ippicv_macosx_20141027.tgz19.6 MB2014-11-05 23:03413
ippicv_linux_20141027.tgz27.4 MB2014-11-05 23:036223
ippicv_windows_20140429.zip25.1 MB2014-05-23 18:341695
ippicv_macosx_20140429.tgz19.3 MB2014-05-23 18:34109
ippicv_linux_20140513.tgz27.0 MB2014-05-23 18:342279