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23 questions

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55
views
1
answer
1
vote
2019-05-10 03:50:57 -0500 berak

Get pixel value of sobel Mat with C++

156
views
1
answer
-1
votes
2018-07-07 09:47:48 -0500 ali hakimiyan

opencv mat.at<cv::Vec4b> convert to java

96
views
1
answer
1
vote
2018-01-08 19:59:16 -0500 sjhalayka flag of Canada

trouble understanding pixel access

129
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no
answers
no
votes
2017-05-24 23:16:48 -0500 peterpans01

Fastest way to access pixel in circle shape

40
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no
answers
no
votes
2017-04-22 07:01:17 -0500 sabra

change pixel value return false!

110
views
2
answers
no
votes
2017-01-16 11:36:06 -0500 Pedro Batista flag of Portugal

LineIterator for non-8U images

829
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no
answers
no
votes
2016-10-22 10:37:02 -0500 Jishan

Pixel-wise subtraction of image

122
views
1
answer
no
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2016-05-18 08:10:39 -0500 berak

Basic operations on mat variable in android

426
views
3
answers
1
vote
2016-03-10 04:26:52 -0500 essamzaky

Fast element access macro in C++ API

70
views
1
answer
no
votes
2016-01-21 23:30:06 -0500 berak

Memory error accessing grayscale pixel data

71
views
no
answers
no
votes
2015-11-07 03:27:18 -0500 octopode

convertTo() and pixel-wise transformations with TBB

247
views
1
answer
no
votes
2015-05-05 16:43:36 -0500 SR

[C++] Efficient element-by-element pixel access?

114
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no
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no
votes
2015-05-01 17:41:53 -0500 opencvnoob29838

opencv java 2.4.9 pixel operations

142
views
no
answers
no
votes
2014-10-02 17:28:21 -0500 kovand11

Speeding up pixelwise operations

100
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no
answers
no
votes
2014-07-25 04:30:02 -0500 Siegfried

working in pixels in Mat structure

1k
views
2
answers
no
votes
2014-07-03 10:15:18 -0500 Mathieu Barnachon flag of Netherlands

Accessing pixel pointer

1k
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no
answers
no
votes
2014-03-12 03:36:35 -0500 souzou0809

White pixel value different from 255

114
views
1
answer
no
votes
2013-12-05 05:29:56 -0500 berak

How can I mark (white/255) in Mat for contour points?

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ali hakimiyan gravatar imagesjhalayka gravatar imageLBerger gravatar imagePedro Batista gravatar imagekovand11 gravatar imagethdrksdfthmn gravatar imageNihad gravatar imagekbarni gravatar imagesouzou0809 gravatar imageopencvnoob29838 gravatar imageROSpioneer gravatar imagejamesnzt gravatar imagemstankie gravatar imageessamzaky gravatar imageAndrey Gaganov gravatar imageberak gravatar image