hplx_coeffs.h

JPEG2000 EBCOT算法源码

#ifndef HPLX_COEFFS_H
#define HPLX_COEFFS_H

#define PARTIAL_STEP_NORMALIZATION 1 /* Flag to HP's `filter_info' object. */

/* ================================ Analysis ============================== */

/* 10-18 Low-pass analysis filter */

#define hc0  5.366288017916409e-01
#define hc1  5.429907539428309e-02
#define hc2 -1.113880188246114e-01
#define hc3  5.829726462013367e-05
#define hc4  2.040184437406741e-02

/* 10-18 High-pass analysis filter */

#define gc0 -4.407818292934474e-01
#define gc1  1.155190028603963e-01
#define gc2  6.057160715381395e-02
#define gc3 -9.733420188028880e-03
#define gc4 -2.180274267318063e-02
#define gc5 -1.787592313644462e-03
#define gc6  6.683900685050437e-03
#define gc7 -1.928418995232702e-06
#define gc8 -6.748739325071322e-04

/* 7-9 Low-pass analysis filter */

#define ha0  6.02949000000000e-01
#define ha1  2.66864000000000e-01
#define ha2 -7.82230000000000e-02
#define ha3 -1.68640000000000e-02
#define ha4  2.67490000000000e-02

/* 7-9 High-pass analysis filter */

#define ga0 -5.57543000000000e-01
#define ga1  2.95636000000000e-01
#define ga2  2.87720000000000e-02
#define ga3 -4.56360000000000e-02

/* ================================ Synthesis ============================== */

/* 10-18 Low-pass synthesis filter */

#define hr0  8.815636585868949e-01
#define hr1  2.310380057207926e-01
#define hr2 -1.211432143076279e-01
#define hr3 -1.946684037605776e-02
#define hr4  4.360548534636125e-02
#define hr5 -3.575184627288924e-03
#define hr6 -1.336780137010087e-02
#define hr7 -3.856837990465403e-06
#define hr8  1.349747865014264e-03

/* 10-18 High-pass synthesis filter */

#define gr0 -1.073257603583282e+00
#define gr1  1.085981507885662e-01
#define gr2  2.227760376492228e-01
#define gr3  1.165945292402673e-04
#define gr4 -4.080368874813482e-02

/* 7-9 Low-pass synthesis filter */

#define hs0  1.11508600000000e+00
#define hs1  5.91272000000000e-01
#define hs2 -5.75440000000000e-02
#define hs3 -9.12720000000000e-02

/* 7-9 High-pass synthesis filter */

#define gs0 -1.20589800000000e+00
#define gs1  5.33728000000000e-01
#define gs2  1.56446000000000e-01
#define gs3 -3.37280000000000e-02
#define gs4 -5.34980000000000e-02


#endif /* HPLX_COEFFS_H */