Image preprocessing
4 June 2022
wiki
![...](assets/Images/Edge Detection_nasiri-co.com-900-400.jpg)
Because of image processing science widespreading, Image preprocessing of this branch of science also has a variety of sections where some of them are:
Edge detection
![...](assets/Images/Edge Detection.jpg)
The most important part of an image, which contains the general information, is the edges of the areas where the change of color or intensity is at once sharp.
Edge detection is performed to different goals, some of them are:
Extract direction the Edge
corner detection
the effects of the stitched image (due to the lack of precision in placing multiple images together to achieve an integrated image, such as Google - Earth images).
![...](assets/Images/Blocking Map_nasiri-co.com.jpg)
Changing the image size, creating a new image of a part of an image(Crop), rotate it
![...](assets/Images/Crop Scale sign_nasiri-co.com.jpg)
Thresholding(change gray scale image to binary image)
![...](assets/Images/binary fingerprint_nasiri-co.com.jpg)
Connected Components Extraction
![...](assets/Images/Connected Componet_nasiri-co.com.jpg)