Top "Pixel" questions

How can I get the color of a screen pixel THROUGH ADB

I need to get the color information of a specific point on screen of my android phone. Is there a …

android colors screen adb pixel

How does the CPU interact with the monitor?

So the question is: How does a computer go from binary code representing the letter "g" to the correct combination …

binary gpu cpu pixel monitor

Changing RGB color image to Grayscale image using Objective C

I was developing a application that changes color image to gray image. However, some how the picture comes out wrong. …

objective-c pixel grayscale

What is the current state of sub-pixel accuracy in the major browsers?

I'm working on a drawing application which requires high levels of accuracy, and I'm wondering which of the major browser …

css flash browser pixel

Creating Android background, how many pixels?

I want to create backgrounds for my Android game. And while reading here I get how it works, what I …

android image background pixel image-size

Size of zero pixels in CSS with or without 'px' suffix?

Googling for the answer to this question has proven difficult so I figured somebody here should know. Within CSS, I've …

css size stylesheet pixel zero

How do I figure out what size (in pixels) an image needs to be for Android to display that image correctly across devices?

I have two images I want to display within my app. The first image is to be full screen (as …

android pixel density-independent-pixel

Getting Pixel Color from an Image using CGPoint in Swift 3

I am try this PixelExtractor class in Swift 3, get a error; Cannot invoke initializer for type 'UnsafePointer' with an argument …

image pixel swift3 cgpoint

What's the theory behind computing variance of an image?

I am trying to compute the blurriness of an image by using LaplacianFilter. According to this article: https://www.pyimagesearch.…

opencv computer-vision pixel variance blurry

Points Versus Pixels ios

I have uiview , that I zoom in and out in it I associate it with pinchRecognizerMeasure using pinchRecognizerMeasure = [[UIPinchGestureRecognizer alloc] …

iphone ipad pixel cgpoint