CIS 227-052 Assignment Three

 

Variations of Color on a GIF image.

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picture of a mosque at 128 colors gif image at 256 colors

This is the original image before any changes are made to the colors. The original was a png file. Size is 26K. Download speed is 4sec@56k

mosque image at 32 colors gif image at 16colors.

Notice how the sky lines are becoming more defined into shades of blue, brown, and yellow. File size is 8K. Download speed is 1sec@56k

mosque at 128 colors gif image at 128 colors

Notice how the colors of the sky lines are blending into each other. File size is 21K. Download speed is 3sec@56k

mosque image at 32 colors gif image at 8 colors.

Notice how a lot of the sky lines are getting less colors, especially whites are disappearing. File size is 5K.Download speed is 0sec@56k

mosque gif at 64 colors gif image at 64 colors

Notice the fading of the blue color in top portion of the picture. File size is 16K.Download speed is 2sec@56k

mosque image at 32 colors gif image at 4 colors.

Notice how there are no more blue shades in the sky. and the building is getting darker. File size is 3K.Download speed is 0sec@56k

mosque image at 32 colors gif image at 32 colors.

Notice how more brightness is creeping into the image.File size is 12K.Download speed is 1 sec@56k

mosque image at 32 colors gif image at 2 colors.

Notice how the colors are defined into two. One for the building and the other for the sky or the background. Size is 2K.Download speed is 0sec@56k

Variations of Compression on a JPG image.

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This is the original JPG image. At 0% compression, notice how all the lines are flowing and smooth . File size is 20.32K. Download speed is 3 sec@56k
At 25% compression,there is not much difference to the naked eye. but the lines are getting slightly blurry. File size is 10.05K. Download speed is 1 sec@56K.
At 50% compression, the image is less sharp, and the lines are becoming more blurred. File size is 5.9K. Download speed is 0 sec@56K.
At 75% compression, the image is getting blotchy and pixelated slightly. Notice how the image starting to have distinct blocks of color. File size is 1.88K
At 100% compression, the image is well pixelated. Image lines are well divided into blocks. Each block almost has a distinct color of its own. File size is 1.22K.