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Graphics: Blur Backgrounds for Optimized JPEGs

Optimization Week Issue #27, June 1, 2004

In this week's Speed Tweak we take a look at the benefits of blurring your images. By preprocessing your images before compression, you can help the JPEG algorithm work more efficiently. Watch as your fearless author optimizes a picture of him at an earlier age. By blurring backgrounds, especially in Lab Color mode, you can save up to 20 to 25% off of JPEG file size, and simulate the elusive "bokeh" that photographers achieve with wide apertures.

Graphics: Blur Backgrounds to Optimize JPEGs
Background blurring reduces non-critical details to make the JPEG algorithm work more efficiently. Converting to Lab Color mode allows you to maximize blur for minimum file size.