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The source code for this applet can be found at:
https://www.angelfire.com/nc/gayosso/java/images/images.java

Top left: Original Image (not processed). Bottom: Same image but "upside-down". Top right: "mirror" effect on the image.

Only one photo file resides on the server.

The source code for this applet can be found at:
https://www.angelfire.com/nc/gayosso/java/images/applet2.java

This applet shows three different image processing techniques widely used and also makes use of minimun redundancy coding.

From upper left clockwise:

• Original image (no effects)
• Image + 'Wave' processing function. Adding animation to this is how the 'water' effect on images is created.
• Image + 'Art line' effect. This effect turns color images into line drawing by looking for high intensity changes from pixel to pixel. If the condition is met (contrast is sharp) a line is detected and drawn. In other words, this is a contrast detector.
• Image + 'Blurring' effect. Background images make web sites attractive but draw to much attention. One one to 'hide' them a little is to blur them. This is accomplished by finding the average color in all pixels surrounding a given pixel within a given distance. The larger the distance, the more blurred the pixel will seem.

Only one photo file resides on the server.

The source code for this applet can be found at:
https://www.angelfire.com/nc/gayosso/java/images/imageprocess1.java

This applet shows three more image processing techniques commonly used. These techniques manipulate the three pixel color components (red, green, blue). As these operations are performed at a pixel level they a referred to as "Image Point Processing".

From upper left clockwise:

• Original image (no effects)
• Image + 'shades of gray'. An algorithm (((r*30) + (g*69) + (b*11)) / 100) calculates the color component values used to modify the displayed pixels.
• Image + 'green filter' effect. This effect is accomplished by saturating one of the 3 color components before drawing to the applet window.
• Image + 'brightness' adjustment. The algorithm to modify the 'brightness' of an image simply changes the RGB color components by the same percentage.

Only one photo file resides on the server.

The source code for this applet can be found at:
https://www.angelfire.com/nc/gayosso/java/images/imagepr2.java

Developed by: Lucio Gayosso. August, 2000.

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Background music: Yngwie Malmsteen's "Crying"