{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,15]],"date-time":"2024-09-15T22:27:43Z","timestamp":1726439263572},"reference-count":10,"publisher":"World Scientific Pub Co Pte Ltd","issue":"01","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Inf. Acquisition"],"published-print":{"date-parts":[[2005,3]]},"abstract":"<jats:p> This paper presents a least squares block by block adaptive approach for the acquisition of high resolution (HR) images from available (LR) images. The suggested algorithm is based on the segmentation of the image to overlapping blocks and the interpolation of each block separately. The purpose of the overlapping of blocks is to avoid edge effects. An adaptive 2D least squares approach, which considers the image acquisition model, is used in the minimization of the estimation error of each block. In this suggested algorithm, a weight matrix of moderate dimensions is estimated in a small number of iterations to interpolate each block. This algorithm avoids the large computational complexity due to the matrices of large dimensions required to interpolate the image as a whole. The performance of the proposed algorithm is studied for different LR images with different SNRs. The performance of the proposed algorithm is also compared to the standard as well as the warped distance cubic O-MOMS image interpolation algorithms from the PSNR point of view. <\/jats:p>","DOI":"10.1142\/s0219878905000416","type":"journal-article","created":{"date-parts":[[2005,5,26]],"date-time":"2005-05-26T10:38:17Z","timestamp":1117103897000},"page":"45-53","source":"Crossref","is-referenced-by-count":5,"title":["ADAPTIVE LEAST SQUARES ACQUISITION OF HIGH RESOLUTION IMAGES"],"prefix":"10.1142","volume":"02","author":[{"given":"S. E.","family":"EL-KHAMY","sequence":"first","affiliation":[{"name":"Department of Electrical Engineering, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. M.","family":"HADHOUD","sequence":"additional","affiliation":[{"name":"Department of Information Technology, Faculty of Computers and Information, Menoufia University, 32511, Shebin Elkom, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. I.","family":"DESSOUKY","sequence":"additional","affiliation":[{"name":"Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, 32952, Menouf, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. M.","family":"SALAM","sequence":"additional","affiliation":[{"name":"Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, 32952, Menouf, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F. E. ABD","family":"EL-SAMIE","sequence":"additional","affiliation":[{"name":"Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, 32952, Menouf, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf2","doi-asserted-by":"publisher","DOI":"10.1109\/83.931101"},{"key":"rf8","doi-asserted-by":"publisher","DOI":"10.1016\/j.dsp.2004.10.003"},{"key":"rf10","first-page":"540","volume":"40","author":"Han J. K.","journal-title":"Optical Engineering"},{"key":"rf11","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1109\/TASSP.1978.1163154","volume":"26","author":"Hou H. 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