Questions - OpenCV Q&A Forum

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2016-02-10 08:17:33 -0600 thdrksdfthmn

Extract parts from image

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2019-05-01 09:09:29 -0600 AbhiTronix

How to send opencv video's to ffmpeg

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2016-05-20 20:31:09 -0600 Tetragramm

Overhead Videos of Pedestrians

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2016-05-22 08:34:26 -0600 LBerger

VideoCapture::read frame drops with dark pixels.

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2016-12-01 05:01:45 -0600 LBerger

Opencv java vs C++ in video capture

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2017-12-04 05:38:12 -0600 supra56

How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"

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2017-01-18 10:20:18 -0600 Eduardo

Put two or more frames in one output window

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2017-06-22 16:08:21 -0600 eshirima

can not read video using cv2.VideoCapture

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2017-06-28 06:06:20 -0600 J. Romeo

Selection depth area

depth
Video

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2017-12-01 11:28:32 -0600 pipeecs780

How to measure distance between 2 objects in a video? - Edited

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2017-12-06 08:34:37 -0600 VxW

Video processing to detect a logo in frames

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2018-08-16 15:31:33 -0600 Samsonite

RPI 3B Protocol 'rtp' not on whitelist 'file,crypto'! OPENCV 3.3.0

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2019-04-13 09:45:21 -0600 supra56

How to add ffmpeg support to Opencv in Conda enviroment on Linux?

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2012-07-08 17:21:08 -0600 Rui Marques

Which values for window size and number of pyramids are reasonable for calcOpticalFlowPyrLK?

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2012-07-14 12:20:15 -0600 ararr

select ROI with mouse and display video. Strange problem

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2012-07-21 16:12:32 -0600 ararr

Video propeties different.conflicting results

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2012-08-12 07:54:17 -0600 Adi

Lossless video codecs in OpenCV?

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2012-07-26 20:39:35 -0600 Martin Peris

Operating a web camera- how?

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2012-07-30 13:28:55 -0600 gfuhr

Animal Recognition

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2012-08-31 01:26:25 -0600 Martin Peris

Reading pixel values from a frame of a video

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2012-09-05 03:56:59 -0600 Vladislav Vinogradov

Video element access

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2012-09-28 15:40:04 -0600 mikegao88

AR Drone 2.0 video feed

drone
Video

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2012-10-12 09:13:52 -0600 Vladislav Vinogradov

Filtering matches by keypoint coordinates

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2012-10-23 17:38:16 -0600 John

VideoWriter produces empty videos

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4

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2012-11-01 16:06:54 -0600 chriszuma

Is there a faster way to display video than NamedWindow and WaitKey? (Linux)(Python)

586

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2014-11-24 11:12:28 -0600 ZHT

VideoCapture with VC500

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2013-01-06 07:33:49 -0600 Alexander Smorkalov

Freeze camera image, zoom into image, and move image around

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2013-01-10 12:39:02 -0600 Adi

Removing outliers from goodFeaturesToTrack using the x84 method

219

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2013-02-20 00:23:50 -0600 Alexander Smorkalov

video processing ?

Video

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2013-04-11 12:18:52 -0600 ske

343 questions

Extract parts from image

How to send opencv video's to ffmpeg

Overhead Videos of Pedestrians

VideoCapture::read frame drops with dark pixels.

Opencv java vs C++ in video capture

How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"

Put two or more frames in one output window

can not read video using cv2.VideoCapture

Selection depth area

How to measure distance between 2 objects in a video? - Edited

Video processing to detect a logo in frames

RPI 3B Protocol 'rtp' not on whitelist 'file,crypto'! OPENCV 3.3.0

How to add ffmpeg support to Opencv in Conda enviroment on Linux?

Which values for window size and number of pyramids are reasonable for calcOpticalFlowPyrLK?

select ROI with mouse and display video. Strange problem

Video propeties different.conflicting results

Lossless video codecs in OpenCV?

Operating a web camera- how?

Animal Recognition

Reading pixel values from a frame of a video

Video element access

AR Drone 2.0 video feed

Filtering matches by keypoint coordinates

VideoWriter produces empty videos

Is there a faster way to display video than NamedWindow and WaitKey? (Linux)(Python)

VideoCapture with VC500

Freeze camera image, zoom into image, and move image around

Removing outliers from goodFeaturesToTrack using the x84 method

video processing ?

iOS - access back camera error

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