apply sobel filter to image

Page 1 of 1

[ 1 post ]

Author

Code Snippet

msi_333

Code subject: apply sobel filter to image

Posted: Sun Mar 27, 2011 9:18 pm

Joined: Tue Mar 27, 2007 10:55 pm
Posts: 2279
Location: Earth
Has thanked: 39 time
Have thanks: 61 time

sobel operator is used for edge detection using first derivative.Horizontal and vertical components used .Gradient is the square root it taken for the sum of two components .

Code:

    clc;
   
    %% create a new figure to show the image . 
    newImg = imread('Water lilies.jpg');
    figure(1);
    %% show the loaded image.
    imshow(newImg);
    
  
    figure(2);
    %% convert RGB to gray scale.
    I = rgb2gray(newImg)
    imshow(I);
    %% apply sobel filter.
    size(I)
    BW = edge(I,'sobel',0.1) ;
    imshow(BW);
 

Attachments:

sobel.GIF [ 54.99 KiB | Viewed 2504 times ]

_________________
Currenlty programming with : java , html , php , and javascript . (OCJP-6 certified )

Page 1 of 1

[ 1 post ]

Similar topics
Image Insert in Excel File Using POI
image processing
help me How do I load image from my pc to matlab
Image compression
JavaCV crop image
Draw rectangle on image
Show image using before property
Show image when click on link
Many links for the one image
Set image size as a percentage of the page size

Codemiles.com » General Topics Forums » Code library » Matlab codes » Matlab Examples

All times are UTC [ DST ]

Users browsing similar codes

Users browsing this forum: No registered users and 2 guests

Jump to:

Previous Code Snippet | Next Code Snippet