Width and widthstep of iplimage

Hello everyone , I meet you again , I'm your friend, Quan Jun .

Study opencv In the process , Use IPLImage structure , Locate data differences when calling data width and widthStep：

1.width Represents the number of pixels of the image , That is, the horizontal length of the image

2.widthStep Is the length of the saved array , be equal to width*nChannes（ The channel number ）, For example, for RGB Images , Yes 3 passageway （B、G、R）,widthStep=width*3; Gray scale image only 1 passageway ,widthStep = width.

in addition Mat Of rows and cols：

1. cols A number of columns , Corresponding .x, Equivalent to width width

2.rows Number of lines , Corresponding .y, amount to height

Publisher ： Full stack programmer stack length , Reprint please indicate the source ：https://javaforall.cn/131676.html Link to the original text ：https://javaforall.cn