lossless high compression ratio
High Performance Lossless Multimedia Data Compression through Improved Dictionary
... This paper includes a complete and comprehensive study of all aspects of LZW algorithm. Our study goes from the most basic concepts like what were the limitations of LZ77, LZ78 and LZW algorithm and how modified LZW ...
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An Algorithm for Medical Imagining Compression That Is Oriented to ROI Characteristics Protection
... imaging compression ratio, we are proposing an algorithm for medical imagining compression that is oriented to ROI-characteristics ...by lossless compression with shearlet; the ROB ...
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A Novel Adaptive Compression Technique for Dealing with Corrupt Bands and High Levels of Band Correlations in Hyperspectral Images Based on Binary Hybrid GA PSO for Big Data Compression
... our lossless compression ...visually lossless compres- sion ...three compression steps are added together to create the final compressed bit- stream, which is ready for storage or ...the ...
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New Results in Perceptually Lossless Compression of Hyperspectral Images
... all compression systems, researchers used peak signal-to-noise ratio (PSNR) or structural similarity (SSIM) to evaluate the compression ...fixed compression ratio, algorithms that yield ...
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Image Compression – Decompression using Polynomial Based Wavelet Transformation in PDF Document
... Image Compression-Decompression of Image ...compression ratio. Finally, Polynomial Discrete Cosine Transformation Lossless Image Compression (PDCT-LIC) technique is developed to achieve ...
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A novel approach for a high performance lossless cache compression algorithm
... a lossless compression algorithm particularly for high performance hardware based on-chip cache ...good compression ratio when used to compress data commonly found in microprocessor ...
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On-board Data Processing to Lower Bandwidth Requirements on an Infrared Astronomy Satellite: Case of Herschel-PACS Camera
... the compression al- gorithms in terms of results quality and ...data compression is a matter of ...extreme compression ratio (up to 40!) dictated by the combination of a high raw data ...
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A Lossless Image Compression Technique Using Location Based Approach
... image compression algorithms is yet very ...of high quality digital images requires the compression-decompression (CODEC) technique to be as simple as possible and to be completely ...a ...
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Comparative Analysis of Lossless Text Compression Techniques
... Data compression is an effective means for saving storage space and channel ...of compression lossy and lossless. This paper will deal with lossless compression techniques named ...
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A Study on Medical Image Compression Techniques
... image compression techniques. They can be classified mainly to lossless or near-lossless compression ...techniques. Lossless compression techniques can achieve only low ...
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A Lossless Multspectral Image Compression With Wavelet Band Decomposition And Binary Plane Technique
... nature. Compression of these multi spectral image aims to transform the image into more compact form that is convenient for storage, transmission, processing and ...based compression algorithm. The approach ...
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Hybrid image compression (lossy+lossless) approach in spatial and DCT domain
... Huffman coding technique is basically based on frequency of occurrence of an image compression in spatial domain in the undergoing research. It is a classical problem in image processing and computer vision [6] ...
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Exadata HCC Case Study. - By Diwakar Kasibhotla Sr. Data Architect
... dbms_compression.get_compression_ratio(‘DW’, ‘DW’, ‘COMP_TEST’, NULL, dbms_compression.COMP_FOR_QUERY_HIGH, blkcnt_comp, blkcnt_uncmp, row_comp, row_uncm, comp_ratio, comp_type); dbms_output.put_line(‘Block Count ...
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Performance Enhancement of Huffman Coding Image Compression with Chinese Remainder Theorem
... increasing compression ratio of resultant data, which in turn decreasing the energy ...Data compression schemes have been applied to the fields of Wireless Sensor Networks, medical imagery, and other ...
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OPTIMIZATION OF IMAGE COMPRESSION USING DWT METHOD
... lossy compression, the algorithm does some loss of data achieve higher ...lossy compression. These compression works on those data, in which some fidelity in ...lossy compression algorithm ...
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Title: IMAGE COMPRESSION USING HIRARCHICAL LINEAR POLYNOMIAL CODING
... between compression ratio and the quality affected by the quantization step and the block size, where for high quality image, low compression ratio achieved, that implicitly means small ...
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Virtually Lossless Compression of Astrophysical Images
... image compression strategy potentially capable of preserving the scientific quality of astrophysical data, simultane- ously allowing a consistent bandwidth reduction to be ...strictly lossless techniques, ...
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Compressionion of pulse code modulation signal using type IV discrete cosine transform based on the mp3 model
... the compression technique between the many coders are in the way they model the human ear and the type of subband coding ...the compression of ...digital compression of audio as well as the transfer ...
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Lossless Compression of SKA Data Sets
... data compression techniques. This paper explores different lossless data compression techniques and aims to find an optimal compression algorithm to compress astronomical data ob- tained by ...
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Variable Compression Ratio Diesel Engine Performance Analysis
... ABSTRACT:-Variable Compression Ratio ...of Compression Ratio ...optimum compression ratio for which the best performance is ...optimum compression ratio, ...
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