Blogspot - angeljohnsy.blogspot.in - IMAGE PROCESSING

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TILE SWAPPING GAME 15 Aug 2013 | 10:47 pm

             The little one at my home likes to play the hidden object games. There are also mini games as a part of the hidden object game. One such game I came across was tile swapper, which is of c...

Sobel Edge Detection - Part 2 30 Jul 2013 | 11:54 pm

In Edge Detection- fundamentals, we have seen how the first and second order derivatives are used in finding the edge strength. Now lets see another version of sobel edge detection. Prerequisite: Sob...

Create Video with Sequence of Images 26 Jul 2013 | 10:07 pm

                   Have you ever tried to create Movie trailer of your favorite movie or playback of your favorite pictures?  Here let’s create one. Let’s try to create a Movie trailer, a simple one. ...

FACE DETECTION - MATLAB CODE 22 Jul 2013 | 07:30 pm

                                  Lets see how to detect face, nose, mouth and eyes using the MATLAB built-in class and function. Based on Viola-Jones face detection algorithm, the computer vision sys...

Image Sharpening using second order derivative –(Laplacian) 18 Jul 2013 | 08:30 pm

Prerequisite: Read EdgeDetection- fundamentals The derivative operator Laplacian for an Image is defined as For X-direction, For Y-direction, By substituting, Equations in Fig.B and Fig.C in Fig.A...

EDGE DETECTION – FUNDAMENTALS 17 Jul 2013 | 09:51 pm

The derivatives of a digital function are defined in terms of differences. The above statement made me to analyze about derivatives and how it is used for edge detection.  The first time when I came ...

Convert HSI Image to RGB Image 10 Jun 2013 | 02:02 pm

CONVERT HSI IMAGE TO RGB IMAGE: Refer How to convert the RGB image to HSI Image MATLAB CODE: Explanation

Convert HSI Image to RGB Image 10 Jun 2013 | 02:02 pm

CONVERT HSI IMAGE TO RGB IMAGE: Refer How to convert the RGB image to HSI Image MATLAB CODE: Explanation

MAX FILTER - MATLAB CODE 8 Jun 2013 | 11:54 am

To find the brightest points in an image. Finds the maximum value in the area encompassed by the filter. Reduces the pepper noise as a result of the max operation. The 100th percentile filter is...

MIN FILTER - MATLAB CODE 8 Jun 2013 | 11:49 am

MIN FILTER To find the darkest points in an image. Finds the minimum value in the area encompassed by the filter. Reduces the salt noise as a result of the min operation. Th...

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