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Chapter 12: Optimizing Web Graphics

Figure 12.5: Better image sampling defines sharp edges in ProJPEG

Figure 12.5: Better image sampling defines sharp edges in ProJPEG

Without subsampling, the lower sharp color boundaries of this balloon would blur. ProJPEG and other tools allow you to experiment with various JPEG settings including smoothing, better image sampling (subsampling), optimized Huffman coding, and quality settings.

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