Lines Matching full:quantization
15 Quantization Table Adjustment
21 jcparam.c. At very low quality settings, some quantization table entries
22 can get scaled up to values exceeding 255. Although 2-byte quantization
26 quantization values to no more than 255 by giving the -baseline switch.
30 You can substitute a different set of quantization values by using the
33 -qtables file Use the quantization tables given in the named file.
35 The specified file should be a text file containing decimal quantization
41 Quantization table files are free format, in that arbitrary whitespace can
44 duplicates the default quantization tables:
46 # Quantization tables given in JPEG spec, section K.1
72 the quantization values are constrained to the range 1-255.
74 By default, cjpeg will use quantization table 0 for luminance components and
78 -qslots N[,...] Select which quantization table to use for
81 The -qslots switch specifies a quantization table number for each color
84 provide a -qtables file that defines three quantization tables and say
