Functions | |
coeff_t | dc_level_shift (coeff_t **channel, int width, int height) |
void | dc_level_unshift (coeff_t **channel, coeff_t average, int width, int height) |
DC level shift
This function subtracts mean value from each image sample.
channel | Image channel | |
width | Image width | |
height | Image height |
Referenced by eps_encode_grayscale_block(), and eps_encode_truecolor_block().
DC level unshift
This function adds stored mean value to each reconstructed image sample.
channel | Image channel | |
average | Average (mean) value | |
width | Image width | |
height | Image height |
VOID
Referenced by eps_decode_grayscale_block(), and eps_decode_truecolor_block().