Questions - OpenCV Q&A Forum

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2012-07-14 16:41:14 -0600 Michael Burdinov

Extracting a vector of pixel values across multiple frames

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2017-06-16 13:20:40 -0600 berak

how to get the position of a pixel with the mouse?

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2016-11-27 18:06:20 -0600 Eduardo

Can i get 2d world coordinates from a single image ([u,v] coords)?

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2013-02-02 10:20:41 -0600 Alexander Smorkalov

android ndk level access to camera video stream/pixels

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2013-02-28 03:30:32 -0600 AlexanderShishkov

How to access pixel values of CV_32F/CV_64F Mat?

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2013-03-10 04:51:39 -0600 Daniil Osokin

Accessing pixels in Mat using Android (Java API)

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2013-05-27 23:58:10 -0600 Pranav Lal

Seeking help with converting opencv webcam output to pixel coordinates for integrating with sensory substitution program [closed]

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2012-12-04 03:16:07 -0600 Siegfried

Accessing pixel value always return same value

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2013-03-13 02:51:25 -0600 Daniil Osokin

How can I work with pixels of an image directly?

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2013-03-20 20:41:41 -0600 piedar

Arbitrary grayscale pixel range

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2013-04-27 01:47:15 -0600 wuling

modifying pixel value

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2017-08-09 14:31:22 -0600 NerdyDroneBuilder

How to get pixel's value from a picture?

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2014-02-25 06:09:27 -0600 Markus Bader

drawing a single pixel using a cv::Mat image (cvSet2D?)

614

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2014-11-14 04:14:40 -0600 berak

modify pixel of image with 0.01

396

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2016-03-19 10:59:36 -0600 Tetragramm

understanding the idea behind some code snippet

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2016-06-10 04:43:37 -0600 AsparaJoe

Find the number of white pixels in contour

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2015-06-22 06:26:05 -0600 Tanq

Set pixel format

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2015-07-06 08:46:16 -0600 Javelin

Calculate pixel angle from the center having hFov and vFov

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2016-02-04 12:08:58 -0600 goldroses

Obtaining Pixelvalue with various formats

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2017-12-21 00:54:25 -0600 moHe

Python faster pixel access

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2018-01-08 19:59:16 -0600 sjhalayka

trouble understanding pixel access

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2019-01-30 01:53:14 -0600 DanielPi

How is the principal point defined?

pixel

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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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2012-11-26 07:46:12 -0600 AMP

How to operate on each pixel of a cv2.cv.Mat with a 3 x 3 matrix?

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2012-12-12 06:47:15 -0600 Haris

associate a string to a pixel

string
pixel

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2012-12-20 22:49:51 -0600 Haris

extract a vector of pixels from a frame

397

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2012-12-20 05:11:23 -0600 vaaksiainen

How to use Mat_ ?

458

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2013-02-12 08:52:06 -0600 Guanta

Access values from Mat

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2013-03-10 07:37:05 -0600 berak

one pixel's color

pixel
Color

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3

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2013-04-05 14:22:36 -0600 AlexanderShishkov

Count Pixel

pixel

91 questions

Extracting a vector of pixel values across multiple frames

how to get the position of a pixel with the mouse?

Can i get 2d world coordinates from a single image ([u,v] coords)?

android ndk level access to camera video stream/pixels

How to access pixel values of CV_32F/CV_64F Mat?

Accessing pixels in Mat using Android (Java API)

Seeking help with converting opencv webcam output to pixel coordinates for integrating with sensory substitution program [closed]

Accessing pixel value always return same value

How can I work with pixels of an image directly?

Arbitrary grayscale pixel range

modifying pixel value

How to get pixel's value from a picture?

drawing a single pixel using a cv::Mat image (cvSet2D?)

modify pixel of image with 0.01

understanding the idea behind some code snippet

Find the number of white pixels in contour

Set pixel format

Calculate pixel angle from the center having hFov and vFov

Obtaining Pixelvalue with various formats

Python faster pixel access

trouble understanding pixel access

How is the principal point defined?

Reading pixel values from a frame of a video

How to operate on each pixel of a cv2.cv.Mat with a 3 x 3 matrix?

associate a string to a pixel

extract a vector of pixels from a frame

How to use Mat_ ?

Access values from Mat

one pixel's color

Count Pixel

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