Image processing-an introduction

Image processing:We have to process a raw image.you can see the original image below

It has no of pixels,which you can see the result below.Each pixel has 8 bit,ranging from 0-255.

 Generally an image is defined as a two-dimensional function,f(x,y),where x,y are intensity values.depends up on image size we get the intensity values.each color image has RGB(red,green,blue)components.intensity values are nothing but rgb values,ranging from 0-255.If it is red component it displays some values.likewise if it is a green component it displays the values which belongs to green and so.