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Image Compression Techniques in Networking: Review Paper
2019
Figshare
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They are lossless and lossy image compression methods. ...
The research paper is presented and focused on the significant of using data compression in networking as well asits different types of image compression techniques. ...
TECHNIQUES OF IMAGE COMPRESSION
DCT-Based Image Coding Standard: JPEG/DCT still image compression has become a standard recently. ...
doi:10.6084/m9.figshare.8281766.v1
fatcat:d7xleu6o7vbazmp4rnlnvsso2a
A Comparative Study on Improvement of Image Compression Method using Hybrid DCT-DWT Techniques with Huffman Encoding for Wireless Sensor Network Application
2019
International Journal of Integrated Engineering
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There are two methods of image compression; (i) Lossless image compression, and (ii) Lossy image compression. ...
Lossless image compression allows the original image to be perfectly reconstructed from the compressed data while lossy image compression will have some data loss and error after compression [2] . ...
Acknowledgement The authors would like to thank Research, Innovation, Commercialization and Consultation Management (ORICC) Universiti Tun Hussein Onn Malaysia (H180 Tier 1 Fund and H303 GPPS Fund) and ...
doi:10.30880/ijie.2019.11.03.016
fatcat:rdp5wvn4lvfzrlfxgveykhop4i
Low Complexity near Lossless Image Compression Technique for Telemedicine
2011
International Journal of Computer Applications
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Keeping this in view this paper intend to focus on a comparative investigation of three near lossless image compression technique, NLIC (near lossless image compression), SPIHT with DWT (Discrete Wavelets ...
mentioned near lossless image compression techniques. ...
lossy preparation with DWT followed by lossless JPEG encoding based on SPIHT techniques. ...
doi:10.5120/3574-4931
fatcat:k6wd24klgzebddtjcglgyfmchy
JPEG Image Compression Using Fast 2-D DCT Technique
IJARCCE - Computer and Communication Engineering
2014
IJARCCE
IJARCCE - Computer and Communication Engineering
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In this paper, we present a lossless DCT compression technique for two-dimensional images. ...
The Discrete Cosine Transform (DCT) is a method that transforms a signal or image from spatial domain to frequency domain. This technique is widely used in image compression. ...
This image compression scheme is presented based on the 2-D DCT. ...
doi:10.17148/ijarcce.2014.31114
fatcat:atsawfj7engfbpbgpjt7u62r2q
Reduction of Blocking Artifacts In JPEG Compressed Image
[article]
2014
arXiv
pre-print
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In JPEG (DCT based) compresses image data by representing the original image with a small number of transform coefficients. ...
Block processing allows the coder to adapt to the local image statistics, exploit the correlation present among neighboring image pixels, and to reduce computational and storage requirements. ...
Methods for image compression are lossless and lossy image compression. The JPEG is a widely used form of lossy image compression standard that centers on the Discrete Cosine Transform (DCT). ...
arXiv:1210.1192v3
fatcat:43uhkrd7mjac5n4p6hdeukinjq
Comparative Study of Different Image Compression Techniques
IJIREEICE - Electrical, Electronics, Instrumentation and Control
2015
IJIREEICE
IJIREEICE - Electrical, Electronics, Instrumentation and Control
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Due to increasing requirements for transmission and storage of images in computer and mobile devices, the research in image compression has increased significantly. ...
Image compression reduces the storage space required and reduces the required transmission bandwidth. There are various techniques of image compression developed. ...
Compression algorithms can be either lossless (reversible) or lossy (irreversible).Higher degrees of compression are only possible using lossy or irreversible techniques and therefore lossy compression ...
doi:10.17148/ijireeice.2015.3324
fatcat:tv7hlb75ajgblcnbxp3mdub7du
Radiological Image Compression (RIC) Methodologies for Telemedicine
2019
International journal of recent technology and engineering
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To improve the classical lossless compression of low efficiency, a way of image lossless compression with high efficiency is offered. ...
A brief introduction of image compression reversible and irreversible methodologies are presented and summarized. ...
lossless/lossy image
compression. ...
doi:10.35940/ijrte.b1119.0982s1119
fatcat:tumslvr7pjetjlfjzh4z6thxxq
Medical Image Compression Using Hybrid Techniques of DWT, DCT and Huffman Coding
IJIREEICE - Electrical, Electronics, Instrumentation and Control
2015
IJIREEICE
IJIREEICE - Electrical, Electronics, Instrumentation and Control
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For medical data, lossless compression is preferred to the greater gains of lossy compression, in the interest of accuracy. . ...
The proposed medical "DICOM images compression scheme" is based on Hybrid DWT, DCT and Huffman coding techniques. ...
The image compression techniques can be broadly classified into two categories as Lossless and Lossy Compression. ...
doi:10.17148/ijireeice.2015.3214
fatcat:grcobhis7jd2xg7supk6lz767y
Adaptive Medical Image Compression Based on Lossy and Lossless Embedded Zerotree Methods
2017
Journal of Information Processing Systems
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For this purpose, the present work proposes an efficient reversible discrete cosine transform (RDCT) based embedded image coder designed for lossless ROI coding in very high compression ratio. ...
Results coding shows that the performance of the proposed new coder is much superior to that of various state-of-art still image compression methods. ...
Various integer DCTs have been greatly innovated for lossy-to-lossless image coding [29] [30] [31] [32] . ...
doi:10.3745/jips.02.0052
fatcat:2mosskj2urgbrdbzdekabmwxea
Medical Image Compression using DCT with Entropy Encoding and Huffman on MRI Brain Images
2022
Asian journal of applied science and technology
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There has to be a formula that has to be used during compression and it should be reversible without losing quality of the image. ...
These formulae are for lossy and lossless compression techniques which are used in this project. The research test Magnetic Resonance Images (MRI) using a set of brain images. ...
There has to be a formula that has to be used during compression and it should be reversible without losing quality of the image. ...
doi:10.38177/ajast.2022.6203
fatcat:cqffymoiqjelpdwh5yazawtk6i
Performance analysis of compression algorithms for information security: A Review
2018
EAI Endorsed Transactions on Scalable Information Systems
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These techniques can be applied to any data format like text, audio, video or image file. ...
Effective data compression technique creates an effective, secure, easy communicable & redundant data. There are two types of compression algorithmic techniques: -lossy and lossless. ...
Comparing the lossy and lossless techniques, the lossy techniques performs better than lossless based on quantitative analysis but we talk of qualitative analysis lossless performs better. ...
doi:10.4108/eai.13-7-2018.163503
fatcat:amg3uvzmm5a35j2ezggsi4sx5q
A comparative study of digital watermarking in JPEG and JPEG 2000 environments
2003
Information Sciences
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Various experiments have been conducted to compare the performance of both standards under various conditions. An outlook on the future of digital image watermarking within JPEG 2000 is introduced. ...
JPEG 2000 is a new compression technology that achieves very high compression rate and maintains visual quality. ...
Also, a non-reversible filters (Daubechies (9,7) taps BI-orthogonal one 10) can be used for higher compression to do lossy compression but not lossless. ...
doi:10.1016/s0020-0255(02)00291-8
fatcat:eey6v7ezcjbbfgklnborapyfji
Image Compression - An Overview
2016
International Journal Of Engineering And Computer Science
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Image compression is an economically viable alternative to these constraints by reducing the bit size required to store and represent the images, while maintaining relevant information content. ...
The improvement of computer hardware including processing power and storage power has made it possible to utilize many-sophisticated signal processing techniques in advanced image compression algorithms ...
Fundamentally, there are two types of image data compression: lossless or reversible compression, and lossy or irreversible compression. ...
doi:10.18535/ijecs/v5i8.18
fatcat:oebl7h3c45ccpbzubuw75uc7k4
Compression for Saliency Detected Images
2016
International Journal of Engineering Research and
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The method is called hybrid, as it performs lossless compression in the salient region and a lossy compression technique in the non-salient region of the image. ...
The discrete wavelet transform based compression, preserves the region quality in the salient region, while discrete cosine transform based lossy compression in the background region provides good compression ...
The method make use of both lossy and lossless compression techniques for performing efficient content based compression. ...
doi:10.17577/ijertv5is080211
fatcat:hrubfyfxezhepkyp6ca7eioqcm
A Fast and Efficient Near-Lossless Image Compression using Zipper Transformation
[article]
2017
arXiv
pre-print
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Numerical simulations show that ZT-based compression algorithm is near-lossless, compresses better, and offers faster implementation than both DCT and FWHT. ...
Near-lossless image compression-decompression scheme is proposed in this paper using Zipper Transformation (ZT) and inverse zipper transformation (iZT). ...
Wavelet-based lossy to lossless compression methods have also been addressed for ECG [30] and for volumetric medical images [31] . ...
arXiv:1710.02907v2
fatcat:h5u4nya4snb4fpqdaiknbxbe6i
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