[PDF] Top 20 An Orthogonal Approximation of DCT and Reconfigurable Architecture for Image Compression
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An Orthogonal Approximation of DCT and Reconfigurable Architecture for Image Compression
... for compression, since it requires fewer cosine functions to approximate a typical ...signal. DCT has high energy compaction property and requires less computational ...the DCT is to get rid of ... See full document
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Reconfigurable Architecture for Efficient and Scalable Orthogonal Approximation of DCT Using Verilog HDL
... new architecture has sign can higher speed compared to previously proposed architectures using either normal basis or redundant representation at the expense of moderately higher area complexity ... See full document
6
A Parallel Reconfigurable Architecture for DCT of Lengths N=32/16/8
... data compression refers to a process in which the amount of data used to represent image and video is reduced to meet a bit rate requirement (below or at most equal to the maximum available bit rate), while ... See full document
10
Orthogonal Approximation of DCT in Video Compressing Using Generalized Algorithm
... approximate DCT (Ta ) CB-2011 approximate DCT (T2) Modified CB-2011 approximate DCT (T3) Approximate DCT ...of image compression, the diagonal matrix can simply be absorbed into ... See full document
6
Design for Approximation Reconfigurable Structure for Green and Scalable Orthogonal Approximation of DCT in Fpga Era
... considered approximation techniques involve considerably less computational complexity over those of the precise DCT ...8-point DCT, we've used the approximation suggested, which forms the ... See full document
6
Comments on ‘Area and power efficient DCT architecture for image compression’ by Dhandapani and Ramachandran
... Although the authors do not explicitly inform the num- ber of retained coefficients (r) in their computations. Only for high values of r we could obtain similar values. We calculated the PSNR values considering r = 60. ... See full document
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An Implementation of Efficient Low Power VLSI Architecture for Image Compression System Using DCT and IDCT"
... every image/video processing standard such as signal and image processing and especially for lossy data compression because it has a strong "energy compaction" property: most of the signal ... See full document
7
A Computational Complexity Reduced Reconfigurable Architecture of DCT
... 8-point DCT for lowering the computational ...of approximation is much more essential for greater-size DCT because the computational complexity from the DCT develops ...uses DCT of ... See full document
7
Improved Dct for Image and Video Compression
... efficient approximation of 2-D DCT transforms. The DCT is employed in a multitude of compression standards due to its remarkable energy compaction ...approximate DCT Transforms have ... See full document
7
Review Paper on 8-bit Discrete Cosine Transform using Common Boolean Logic Adder
... in image and video compression ...low-power DCT (Discrete Cosine Transform) architecture using various ...the DCT. Loeffler (1989) has given a new class of 1D-DCT using just 11 ... See full document
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Design of Reconfigurable Structure for Efficient and Scalable Orthogonal Approximation of DCT in FPGA Era
... the DCT perfectly and keeps all the benefits of the ...of approximation of DCT must have the next features: i) it ought to have low computational ...provide compression performance near to the ... See full document
8
Area and power efficient DCT architecture for image compression
... of DCT ap- proximations have been ...of DCT. Haweel [17] proposed a signed DCT (SDCT) by applying a signum function to the DCT matrix, which maintains the good de-correlation and power ... See full document
9
Comparative Analysis of Hybrid DKT DCT with DKT and DCT in Image Compression
... Abstract— Image compression is one of the prominent applications of image ...data compression so that volume of data and bandwidth required to transmit it can be ...Still image ... See full document
10
Optimum Global Thresholding Based Variable Block Size DCT Coding For Efficient Image Compression
... size DCT image coding ...input image into sub blocks of size between 2×2 and 16×16 ...input image, may lead to even worst compression ... See full document
9
Survey on JPEG Image Compression Using DCT
... the compression of media. The various types of compression techniques available that are used to compress the digital ...the image. The compression of digital data help for reducing the ... See full document
7
A Novel Lossy Compression using 8x8 DCT Coefficient Matrix
... the image or spatial domain, it is relatively simple to implement and is readily adapted to local image ...the image from its spatial domain representation to a different type of representation using ... See full document
6
Novel Image Compression using Modified DCT
... —Image compression is a widely addressed research area. Many compression standards are in ...high compression with quality ...data compression techniques are widely used. Discrete ... See full document
5
Threshold Extension of Gallium Arsenide/Aluminum Gallium Arsenide Terahertz Detectors and Switching in Heterostructures
... standardized image compression techniques ...back. Image compression addresses the problem of reducing the amount of data required to present a digital image with acceptable ... See full document
91
Reconfigurable Processor for Image Steganography using DCT with Morphological Operations
... of image steganography, based on Discrete Cosine Transform with morphological ...The DCT method is used to transform into DCT domain ...cover image is separated in to three different layers ... See full document
9
Analysis of Image Compression Algorithm using DCT
... the image compression algorithm using 2-dimension ...the DCT properties, a DC is transformed to discrete delta-function at zero ...transform image contains only the DC component. To ... See full document
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