Figure 1-1 | Original, 24-bit image; same image after quantization; same image after quantization and dithering | |
Figure 1-2 | Portrait with an oval alpha mask against a white background and against a black background | |
Figure 1-3 | Gray text anti-aliased against a white background, displayed against both white and black backgrounds | |
Figure 1-4 | Comparison of GIF interlacing, normal PNG interlacing, PNG with interpolation, and PNG with sparse display | |
Figure 1-5 | Fireworks 1.0 Export Preview window showing RGBA-palette options | |
Figure 1-6 | Example of Fireworks 1.0 RGBA-palette image showing strong banding | |
Figure 1-7 | Fireworks 1.0 Export Preview after choosing Index Color transparency twice, showing transparency (white artifacts) in opaque regions | |
Figure 1-8 | Example of a Fireworks 1.0 image with single-color transparency, displayed against the ``wrong'' background | |
Figure 4-1 | Photoshop 5.0 RGB Setup window | |
Figure 4-2 | Photoshop 5.0 File Info window | |
Figure 4-3 | Photoshop 4.0 Monitor Setup window | |
Figure 4-4 | ImageReady 1.0 Optimize palette for 24-bit PNG, with Matte pull-down menu | |
Figure 4-5 | ImageReady 1.0 Optimize palette for 8-bit (colormapped) PNG | |
Figure 4-6 | ImageReady 1.0 optimized preview with 160 transparent entries, showing artifacts | |
Figure 4-7 | ImageReady 1.0 optimized preview with 224 transparent entries, showing degraded facial tones | |
Figure 4-8 | Paint Shop Pro 5.0 alpha mask window | |
Figure 4-9 | The GIMP 1.0's Lasso options window, tool palette, and main image window | |
Figure 8-1 | PNG chunk structure | |
Figure 8-2 | Layout of the simplest PNG | |
Figure 8-3 | Layout of the second-simplest PNG | |
Figure 8-4 | Schematic of an 8 × 8 tile after the third pass and after the fifth pass | |
Figure 10-1 | Typical chromaticity diagram | |
Figure 12-1 | Layout of the simplest MNG | |
Figure 12-2 | Layout of the second simplest MNG | |
Figure 12-3 | Layout of an animated MNG | |
Figure 12-4 | Layout of an algorithmic MNG | |
Figure 12-5 | Layout of an alpha-JNG MNG | |
Figure C-1 | Demonstration of progressive alpha-blending against a simulated web-page background | |
Figure C-2 | Chromaticity diagram for a particular device | |
Figure C-3 | Effects of JPEG compression on sharp-edged features | |
Figure C-4a | Second pass (26%) of progressive JPEG, without smoothing by the decoder | |
Figure C-4b | Second pass of progressive JPEG, with smoothing | |
Figure C-4c | Fifth pass (40%) of progressive JPEG, with smoothing | |
Figure C-5 | An 8-bit palette image with partial transparency, displayed against different backgrounds |