在运行时获取面部区域的像素值 [英] Get Pixel value of face area at runtime

问题描述

你好朋友
我正在做一个带有人脸检测的项目.因为我检测到人脸并用矩形标记，但是我需要的是我想在运行时获取矩形边缘的像素值，尤其是矩形的底线边缘.我如何找到它请帮帮我.
谢谢

Hello friends
I am doing a project with face detection.In that i detected face and mark by rectangle,but what i need is i want to get pixel value of rectangular edges at runtime, particularly bottomline edges of rectangle.how can i find it please help me.
Thanks

推荐答案

你好

如果要获取像素的颜色，则需要具有像素的x和y.

那很容易.看一下: Bitmap.GetPixel方法

也许它也可以提供帮助:
获取位图图像中的原始像素值

Hello

If you want to get the colour of a Pixel you need to have x and y of the pixel.

Then it''s easy. Look at this: Bitmap.GetPixel Method

Maybe it can help too:
Get raw pixel value in bitmap image

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