pixel
2D bitmap neighbour grouping
Let\'s say I have a 2D array of 1bit pixels, for example an image bitmap. I would like to find groups/cl开发者_开发问答usters of 2x2 or larger. The groups can take any free form shape larger than that[详细]
2023-03-12 22:54 分类:问答What's the best way to "round" a Color object to the nearest Color Constant?
I will be retrieving the exact color of a pixel and would like to relate that exact color开发者_如何转开发 to a constant like Color.blue.Is there an easy way to \"round\" to the nearest Color Constant[详细]
2023-03-12 21:30 分类:问答OpenGL ES: Undo in a Pixel Painting App
I\'m currently working on an app that allows the user to draw pixelated images using OpenGL ES, but I don\'t know how to implement an undo function.[详细]
2023-03-11 02:58 分类:问答How to convert pixel formats? From 32bppRGB to 16bpp grayscale in C#
I need to do some thresholding for my image. The threshold filter function just accepts 8-16bpp grayscale. My bitmap pi开发者_运维技巧cture has the 32bppRGB pixelformat. Please suggest some code for t[详细]
2023-03-10 22:35 分类:问答OpenCV: is it possible to perform openGL pixel shading with it?
How to execute OpenGL pixel shaders on top of openCV images开发者_StackOverflow中文版 structures? is there any library or plugin for OpenCV for that?I won\'t include setting up a OpenGL context, perfo[详细]
2023-03-10 12:08 分类:问答How to get Pixel from image in WebOS?
Am havi开发者_如何学运维ng am image, i have to read all the pixel values of that image. And i have to do it in webOS. What are the ways to do that? This question is somewhat similar to another one, wh[详细]
2023-03-09 19:47 分类:问答Looking for a simple pixel drawing method in ios (iphone, ipad)
I have a simple drawing issue.I have prepared a 2 dimensional array which has an animated wave motion.The array is updated every 1/10th of a second (this can be changed by the user). After the array i[详细]
2023-03-08 23:07 分类:问答How I can get all activated pixels when in a touch event?
I don\'t know if it is possible using Objective-C, but I would like to find all the pixels/points that have been sensibilized in a touch event.[详细]
2023-03-08 12:27 分类:问答Manipulating Individual Color Information Per Pixel Of A Video File
I am comfortable with several programming languages (stronger in C#, C, Java than the others) so please feel free to suggest whichever would provide me with a way to read in a (preferably uncompressed[详细]
2023-03-08 07:12 分类:问答YUV color space and chrominance
Ok. To be short suppose: I have a monochrome image; And initially it represented in RGB color space. I don\'t know in what sequence I shall do this, but I need to conv开发者_高级运维ert image to YUV[详细]
2023-03-07 15:47 分类:问答