Expand description
JPEG 2000 DWT constants. JPEG 2000 discrete wavelet transform constants.
Structs§
- Dwt53
Linear Row - Fixed-capacity sparse row for one linearized 5/3 output sample.
- Dwt53
Linear Tap - One non-zero input contribution to a linearized 5/3 output sample.
Enums§
- Dwt53
Band - Linearized 5/3 output band.
Constants§
- DWT53_
MAX_ HIGH_ LINEAR_ TAPS - Maximum number of input taps contributing to one high-pass 5/3 output.
- DWT53_
MAX_ LINEAR_ TAPS - Maximum number of input taps contributing to one linearized 5/3 output.
- DWT97_
ALPHA_ F32 - Forward irreversible 9/7 lifting step alpha, rounded for existing CPU/GPU paths.
- DWT97_
ALPHA_ F64 - Forward irreversible 9/7 lifting step alpha at f64 precision.
- DWT97_
BETA_ F32 - Forward irreversible 9/7 lifting step beta, rounded for existing CPU/GPU paths.
- DWT97_
BETA_ F64 - Forward irreversible 9/7 lifting step beta at f64 precision.
- DWT97_
DELTA_ F32 - Forward irreversible 9/7 lifting step delta, rounded for existing CPU/GPU paths.
- DWT97_
DELTA_ F64 - Forward irreversible 9/7 lifting step delta at f64 precision.
- DWT97_
GAMMA_ F32 - Forward irreversible 9/7 lifting step gamma, rounded for existing CPU/GPU paths.
- DWT97_
GAMMA_ F64 - Forward irreversible 9/7 lifting step gamma at f64 precision.
- DWT97_
INV_ KAPPA_ F32 - Inverse irreversible 9/7 scaling factor, computed the same way as existing paths.
- DWT97_
INV_ KAPPA_ F64 - Inverse irreversible 9/7 scaling factor at f64 precision.
- DWT97_
KAPPA_ F32 - Irreversible 9/7 scaling factor, rounded for existing CPU/GPU paths.
- DWT97_
KAPPA_ F64 - Irreversible 9/7 scaling factor at f64 precision.
- IDWT97_
NEG_ ALPHA_ F32 - Inverse 9/7 alpha step used by synthesis paths.
- IDWT97_
NEG_ BETA_ F32 - Inverse 9/7 beta step used by synthesis paths.
- IDWT97_
NEG_ DELTA_ F32 - Inverse 9/7 delta step used by synthesis paths.
- IDWT97_
NEG_ GAMMA_ F32 - Inverse 9/7 gamma step used by synthesis paths.
Functions§
- linearized_
dwt53_ row - Derive one conventional linearized 5/3 analysis row in constant work.
- max_
decomposition_ levels - Return the maximum number of DWT decomposition levels supported by an image geometry.