Lines Matching refs:quality

20 you may get poor image quality and/or little compression.
26 is possible if you can tolerate a low-quality image.  You can trade off image
27 quality against file size by adjusting the compressor's "quality" setting.
79 	-quality N	Scale quantization tables to adjust image quality.
94 			memory.  Image quality and speed of decompression are
105 The -quality switch lets you trade off compressed file size against quality of
106 the reconstructed image: the higher the quality setting, the larger the JPEG
108 you want to use the lowest quality setting (smallest file) that decompresses
110 purpose the quality setting should be between 50 and 95; the default of 75 is
111 often about right.  If you see defects at -quality 75, then go up 5 or 10
115 -quality 100 will generate a quantization table of all 1's, minimizing loss
120 in output image quality.
122 In the other direction, quality values below 50 will produce very small files
123 of low image quality.  Settings around 5 to 10 might be useful in preparing an
124 index of a large image library, for example.  Try -quality 2 (or so) for some
125 amusing Cubist effects.  (Note: quality values below about 25 generate 2-byte
127 cjpeg emits a warning message when you give such a quality value, because some
129 if you need to ensure compatibility at low quality values.)
132 JPEG file, the data is stored in multiple scans of increasing quality.  If the
134 the first scan to display a low-quality image very quickly, and can then
136 equivalent to a standard JPEG file of the same quality setting, and the total
189 			even at low quality settings.  (This switch is poorly
222 			quality output.  (The default options are chosen for
223 			highest quality output.)  Currently, this is equivalent
283 			between speed and quality; no dithering is fast but
295 	-nosmooth	Use a faster, lower-quality upsampling routine.
299 			but it produces a lower-quality image.  -onepass is
320 GIF to JPEG, you should experiment with cjpeg's -quality and -smooth options
324 cycles.  Image quality loss will accumulate; after ten or so cycles the image
331 quality settings to make very small JPEG files; the percentage improvement
345 Several options are available that trade off image quality to gain speed.
348 "-dct fast" and/or "-nosmooth" gain speed at a small sacrifice in quality.
350 much lower quality than the default behavior.  "-dither none" may give
361 decompress, with some loss of image quality, by specifying -onepass for
414 quality.
432 file.  The quality setting and so forth are determined by the input file.