Image Compression: Does It Really Matter?

Overview

Objectives/Goals The objective of my science project is to determine which image compression method compresses the image to a smaller file size but still produces good image quality when printed. Methods/Materials I used a digital camera to take a picture, a compression program (irfanview) to compress the images into five different formats (JPEG, TIFF - lossy & lossless, PNG, and GIF. I used a Laser Printer and photo paper to print the images. I had 5 judges rate the quality of the images on a scale of one to five. I repeated this process five times and documented the results. Results The results of this experiment showed that pictures compressed using JPEG were chosen by the judges more often as having better image quality than pictures that were compressed using TIFF, PNG and GIF. Conclusions/Discussion In conclusion, through this experiment, I learned that the JPEG compression method results in the best image quality and should be used for the compression of an image when quality is important.

Competition history

• CSEF 2009 Mathematics & Software · Entry J1608

Resources

• CSEF project summary ↗

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