How to acces an pixel value of an image in OpenCV

How to acces an pixel value of an image in OpenCV



1.Accessing pixel values OpenCV 2.3 - C++ - Stack Overflow

Description:How to access individual pixels in OpenCV 2.3 using C++? For
my U8C3 image I tried this: Scalar col = I.at<Scalar>(i, j); and p =
I.ptr<uchar>(i); First ...



2.to access 3D image pixel values using cvscalar - OpenCV Q ...

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3.image processing - Pixel access in OpenCV 2.2 - Stack Overflow

Description:Hi I want to use opencv to tell me the pixel values of a blank
and white image so the output would look like this 10001 00040 11110 00100
Here is my current code ...



4.opencv-users - accessing pixel using opencv C++

Description:Hello every one Can some one tell me the basic question How to
access pixel elements of image using Mat (opencv ... image value at i j
is="<<mapimg ... access pixel ...



5.Introduction to programming with OpenCV

Description:... (const IplImage* image); The majority of OpenCV ...
s.val[0]=111; s.val[1]=111; s.val[2]=111; cvSet2D(img,i,j,s); // set the
(i,j) pixel value Direct access: ...



6.Seeing With OpenCV: Introduction to OpenCV

Description:Accessing Pixel Values. It's possible to create many types of
functionality using OpenCV without directly accessing raw pixel data. For
example, the face detection ...



7.Using get() and put() to access pixel values in JAVA ...

Description:I am a beginner in using OpenCV for JAVA. I want to access
individual pixel values of an image matrix. Since, JAVA jar for OpenCV
doesn't offer nice functions like ...



8.lib.opencv - Re: Access pixel values and assign. - msg ...

Description:Previous Message by Thread: Access pixel values and assign.
Hi, I wish to access the the individual pixel values of one image (image1)
and assign ...



9.OpenCV - Official Site

Description:OpenCV is released under a BSD license and hence it's free for
both academic and commercial use. It has C++, C, Python and Java
interfaces and supports Windows, ...



10.Changing the contrast and brightness of an image ...

Description:Access pixel values; Initialize a matrix with zeros; Learn
what saturate_cast does and why it is useful; Get some cool info about
pixel transformations