Divakara et al., 2017 - Google Patents

High speed modular systolic array-based DTCWT with parallel processing architecture for 2D image transformation on FPGA

Divakara et al., 2017

Document ID
837435811985342409
Author
Divakara S
Patilkulkarni S
Raj C
Publication year
Publication venue
International Journal of Wavelets, Multiresolution and Information Processing

External Links

Snippet

In this paper, systolic array-based novel architecture for dual-tree complex wavelet transform (DTCWT) computation is designed and implemented on FPGA. The wavelet filter coefficients of DTCWT are quantized and rounded to nearest integer and the loss in rounding and …
Continue reading at www.worldscientific.com (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. FFT domain scaling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding, e.g. from bit-mapped to non bit-mapped
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image

Similar Documents

Publication Publication Date Title
Liang et al. Fast multiplierless approximations of the DCT with the lifting scheme
Huang et al. Analysis and VLSI architecture for 1-D and 2-D discrete wavelet transform
Dillen et al. Combined line-based architecture for the 5-3 and 9-7 wavelet transform of JPEG2000
RU2377653C2 (en) Reversible overlap operator for efficient lossless data compression
Bayer et al. A digital hardware fast algorithm and FPGA-based prototype for a novel 16-point approximate DCT for image compression applications
Wang et al. Lossy-to-lossless hyperspectral image compression based on multiplierless reversible integer TDLT/KLT
Al Muhit et al. VLSI implementation of discrete wavelet transform (DWT) for image compression
CN103745443B (en) The method and apparatus for improving picture quality
US7634148B2 (en) Image signal transforming and inverse-transforming method and computer program product with pre-encoding filtering features
Divakara et al. High speed modular systolic array-based DTCWT with parallel processing architecture for 2D image transformation on FPGA
Coutinho et al. Low-complexity pruned 8-point DCT approximations for image encoding
Yang et al. A block-based architecture for lifting scheme discrete wavelet transform
Hasan et al. Multilevel decomposition Discrete Wavelet Transform for hardware image compression architectures applications
Bishop et al. Reconfigurable implementation of wavelet integer lifting transforms for image compression
Nagabushanam et al. FPGA implementation of 1D and 2D DWT architecture using modified lifting scheme
Divakara et al. High speed area optimized hybrid da architecture for 2d-dtcwt
Brahimi et al. An efficient fast integer DCT transform for images compression with 16 additions only
Mohanty et al. Critical-path optimization for efficient hardware realization of lifting and flipping DWTs
Paim et al. Pruning and approximation of coefficients for power-efficient 2-D Discrete Tchebichef Transform
Paim et al. Exploring approximations in 4-and 8-point DTT hardware architectures for low-power image compression
Bhosale et al. 2D DWT lifting image compression scheme for error tolerant applications
Teresa et al. Low Power Optimization of Finite Impulse Response Filter Feature Extraction by Using Thyroid Cancer Region Identification in Medical Images
Gupta et al. An efficient modified lifting based 2-D discrete wavelet transform architecture
Bracamonte et al. A multiplierless implementation scheme for the JPEG image coding algorithm
Devi et al. A study on VLSI architectures of lifting based discrete wavelet transform