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23,546 questions

39
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votes
2017-05-20 10:49:31 -0500 bonevale

drawContours error: (-215) npoints > 0 in function drawContours

35
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2017-05-20 10:37:32 -0500 mariyanna

No changes to RGB image after conversion

33
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2017-05-20 10:20:08 -0500 usmani93

Train cascade accelerated by gpu

59
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1
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2017-05-20 08:37:53 -0500 LBerger

How to increase contrast of a image with text

128
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-2
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2017-05-20 04:20:51 -0500 gunner

Object detection not working

46
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1
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2017-05-20 03:44:58 -0500 berak

How to implement k nearest neighbour in opencv 3.2.0

31
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answers
-1
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2017-05-19 21:18:16 -0500 rahbee

Theroy required for Video Analysis

53
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2017-05-19 16:50:55 -0500 third112

MatchTemplate problem for rotated image

39
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2017-05-19 13:55:13 -0500 Bromanov

Mat.get equivalent for C++?

28
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2017-05-19 13:52:15 -0500 Syed Hasnain

OpenCV - predict_label returns a huge value

63
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1
answer
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2017-05-19 10:42:13 -0500 VideoCurious

easy video process but very slow

40
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2017-05-19 09:28:24 -0500 berak

Keypoints in very small images

38
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2017-05-19 08:11:15 -0500 maephisto

Image matching - form photo vs form template

41
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1
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2017-05-19 06:53:01 -0500 berak

Wrong Shapes for Given Matrices in OpenCv 3.1 - Java

31
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2017-05-19 02:35:55 -0500 eltchar

video over 4 gb

25
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1
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2017-05-18 23:14:50 -0500 yxchng

Why I can't use estimateRigidTransform?

24
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2017-05-18 23:05:11 -0500 AK_Tech

How to detect image flickering in frame

34
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2017-05-18 15:56:30 -0500 lletourn

HLS Live stream issue

491
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2
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no
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2017-05-18 12:32:09 -0500 fxamila

Problem compiling OpenCV 2.4.13 with Cmake and MinGW

31
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1
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2017-05-18 12:20:51 -0500 berak

translate example into Java

32
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1
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2017-05-18 12:07:46 -0500 fommilie

butteraugli implementation for image difference?

37
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2017-05-18 12:07:20 -0500 LBerger

Methods of image Stitching other than using feature based detection

26
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2017-05-18 09:51:22 -0500 ziggy

std::vector corrupted when calling HOGDescriptor::compute

42
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1
answer
no
votes
2017-05-18 08:23:24 -0500 cherault

Detecting LED/LCD Change

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