A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
Interblock Redundancy Reduction Using Quadtrees
1996
Zenodo
Preserved Fulltext
Publication in the conference proceedings of EUSIPCO, Trieste, Italy, 1996 ...
We calculate the mean (X) and the 2 order moment of nd the block grey levels (X ). Then we code every block using a 1 2 bit/pel bit plane plus a low and a high grey levels (a and b). ...
Let us make a fast review of how BTC works. We divide the image in blocks of a convenient size (in our case 4x4 pels). ...
doi:10.5281/zenodo.36221
fatcat:q365ca5jbjez5n33i2c74yqsiq
Color Image Compression by Using Absolute Moment Block Truncation Coding and Hadamard Transform
2016
INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
This paper investigates image data compression as it is applicable to different fields of image processing, in order to reduce the volume of pictorial data which one may need to store or transmit, The ...
research modifies a method for image data compression based on the two component code, in this coding technique, the image is partitioned into regions of slowly varying intensity. ...
This method called absolute moment block truncation coding (AMBTC). Both computational speed and reconstructed image quality are improved by preserving absolute moments instead of standard moments. ...
doi:10.24297/ijct.v15i7.1548
fatcat:aeq6kfxctzfe5fruvcad7ilcdu
An Enhanced Technique for Fractal Image Compression Using Block Based Features (BBF)
2019
Asian Journal of Computer Science and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Image Compression is very active research area specializing on how to compression and decompression of images. ...
In this paper, the proposed research work presented a block based feature compression of image in the generation of feature sets. ...
Moreover, the computational cost of the algorithm is very low also used for image compression. Fig. 1 1 Process Flow of Encoding & Decoding Block 1. ...
doi:10.51983/ajcst-2019.8.2.2134
fatcat:ervbkllpyvblrkowfdhfdfdrlq
COLOR IMAGE COMPRESSION BASED ON ABSOLUTE MOMENT BLOCK TRUNCATION CODING USING DELTA ENCODING AND HUFFMAN CODING
2014
مجلة بحوث التربية النوعية
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
AMBTC method produce a fixed length binary representation of each block according to the block size of the image. ...
In contrast huffman coding produce a variable length binary representation based on the statistical nature of the image. ...
A simple and fast variation of BTC, called absolute moment BTC (AMBTC) was presented by Lema and Mitchell.It preserves the higher and lower mean of a block [12] . ...
doi:10.21608/mbse.2014.143233
fatcat:32yslbx6lnbmhkagk6cdhcshlq
Surfel Octrees: A New Scheme for Interactive Inspection of Anatomy Atlases in Client-Server Applications
[article]
2015
Spanish Computer Graphics Conference
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Nowadays, an increasing interest on tele-medicine and tele-diagnostic solutions can be observed, with client/server architectures for remote inspection of volume image-based medical data which are becoming ...
The use of portable devices is gradually spreading due to their portability and easy maintenance. ...
Acknowledgements This work has been partially supported by the Project TIN2014-52211-C2-1-R of the Spanish Ministerio de Economía y Competitividad. ...
doi:10.2312/ceig.20151201
dblp:conf/ceig/SurinyacB15
fatcat:ujqtexnrerd37nf26tqv5365ga
A review of the fractal image compression literature
1994
Computer graphics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
For example, one can use three blocks giving all bivariate polynomials of degree one, or six blocks producing all such polynomials of degree two. ...
Using the mathematical framework described by Lundheim [Lund92] in which blocks of a discrete grey-tone image are seen as points of a finite dimensional inner product space, Leps.oy and Oien [Leps93, ...
doi:10.1145/193234.193246
fatcat:kx6bgvvphjbr3ixyxl2w43jvhi
Image Retrieval Using Fused Features
2014
Zenodo
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
From the HSV image, Color features are extracted using block color histogram, texture features using Haar transform and shape feature using Fuzzy C-means Algorithm. ...
Finally, the best method of each feature is fused during similarity measure to improve image retrieval effectiveness and accuracy. ...
The grey-scale image should be compressed to reduce calculations is formed. 16 types of compression levels were chosen to improve the texture feature extracting speed. Step 3. ...
doi:10.5281/zenodo.1096502
fatcat:iys64sqgw5fidj2ybdqj3rq7qe
A Survey of Partition-Based Techniques for Copy-Move Forgery Detection
2014
The Scientific World Journal
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A copy-move forged image results from a specific type of image tampering procedure carried out by copying a part of an image and pasting it on one or more parts of the same image generally to maliciously ...
Therefore, detecting such forgeries mainly consists in devising ways of exposing identical or relatively similar areas in images. ...
In [9] , the fast curvelet transform (FCT) of each block is computed and features are extracted as follows: for each subband of the fast curvelet transformed block, the mean values are calculated for ...
doi:10.1155/2014/975456
pmid:25152931
pmcid:PMC4132339
fatcat:frjacuj5jfantnw2i7lg3iuh34
A Review: Block-Based Copy-Move Forgery Detection Methods
2016
International Journal of Engineering Research and
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In this paper we survey various block-based methods used for detecting copy-move forgery. ...
Image authenticity is a major concern, because images are used in various fields to give illustrate important information. ...
The method is based on blur moment invariants. Image is firstly divided into overlapping blocks and blocks are represented using blur invariants. ...
doi:10.17577/ijertv5is100083
fatcat:3ln7rk5ojng3zb6qackb4wbiri
Compressed Domain Computationally Efficient Processing Scheme for JPEG Image Filtering
2013
Advanced Engineering Forum
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Image filtering is one of the principal tools used in computer vision applications. ...
We propose that the convolution operation to be applied just on the periodical extensions of the DCT basis images, as an off-line processing, obtaining the filtered DCT basis images, which are used in ...
Let us consider X[H × W ] to be a digital image. For the sake of simplicity, we assume X is a grey scale image. ...
doi:10.4028/www.scientific.net/aef.8-9.480
fatcat:an2e4upvr5bondiq26nwv3ai7a
On the Mathematical Reconstruction of Two Dimensional Plants
2006
Bioscience Reports
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
of the plant from the compressed image. ...
representation of each of the plants, and thirdly: the impressive compression achieved, leading to remarkable computer memory saving, and still permitting successful pattern recognition i.e., proper identification ...
A certain compression can be seen in the PIFS-SFA coding method: if we are able to encode the image in a small number of codes (by using sufficient correlation coefficient), we can obtain a representation ...
doi:10.1007/s10540-006-9011-2
pmid:16763763
fatcat:dumth2lqbjaipodzsritu3udr4
Fractal Image Compression Using Block Indexing Technique: A Review
2020
Iraqi Journal of Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
A summarized review of contributions is achieved to determine the fulfillment of fractal image compression, specifically for the block indexing methods based on the moment descriptor. ...
Fractal image compression depends on representing an image using affine transformations. ...
The performance of all possible combinations between double moment descriptors was investigated and a fast computation mechanism was introduced to calculate the moments attended to enhance the overall ...
doi:10.24996/ijs.2020.61.7.29
fatcat:blqlxcql2fa2hdslcemxjaqsrm
Content‐based image retrieval using Gaussian–Hermite moments and firefly and grey wolf optimization
2021
CAAI Transactions on Intelligence Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
The proposed content‐based image retrieval (CBIR) uses Gaussian–Hermite moments as the low‐level features. Later these features are compressed with principal component analysis. ...
Hybrid firefly and grey wolf optimization (FAGWO) is used to prevent the premature convergence of optimization in the firefly algorithm. ...
Discrete cosine transform, wavelet coding, and embedded block coding along with optimal truncation and scaling were used for image compression in medical images [33] . ...
doi:10.1049/cit2.12040
doaj:20b5a29a4e424a1998a2857938ca795c
fatcat:ue5pgr6v6fa45igumwbzrtuxlm
Fractal Image Compression via Nearest Neighbor Search
[chapter]
1998
Fractal Image Encoding and Analysis
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2007; you can also visit the original URL.
The file type is application/pdf.
In fractal image compression the encoding step is computationally expensive. ...
This result is useful for accelerating the encoding procedure in fractal image compression. ...
The author thanks Klaus Bayer, Kai Uwe Barthel, Amitava Datta, Raouf Hamzaoui, Thomas Ottmann, and Sven Schuierer for fruitful discussions, Sunil Arya and Dave Mount for the fast nearest neighbor search ...
doi:10.1007/978-3-662-03512-2_6
fatcat:t6to6p2fgvewris4b2tbqx7c5y
A Paper On A Comparative Study Block Truncating Coding, Wavelet, Fractal Image Compression & Embedded Zero Tree
2016
Zenodo
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
For this different compression algorithm are used to compress images. Fractal image compression has been widely used to compress the image. ...
We undertake a study of the performance difference of different transform coding techniques i.e. Block Truncating Coding, Wavelet, Fractal and Embedded Zero Tree image compression. ...
It is one bit adaptive moment-reserving quantizer that preserves certain statistical moments of small blocks of the input image in the quantized output. ...
doi:10.5281/zenodo.57987
fatcat:bspyyfyryzhnjky3qbnipwc2em
« Previous
Showing results 1 — 15 out of 6,491 results