{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T06:43:33Z","timestamp":1740120213104,"version":"3.37.3"},"reference-count":14,"publisher":"World Scientific Pub Co Pte Ltd","issue":"08","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61203261"],"award-info":[{"award-number":["61203261"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"China Postdoctoral Science Foundation funded project","award":["2012M521335"],"award-info":[{"award-number":["2012M521335"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:p> A novel method is proposed in this paper to improve the recognition accuracy of Local Binary Pattern (LBP) on low-resolution face recognition. More precise descriptors and effectively face features can be extracted by combining multi-scale blocking center symmetric local binary pattern (CS-LBP) based on Gaussian pyramids and weighted principal component analysis (PCA) on low-resolution condition. Firstly, the features statistical histograms of face images are calculated by multi-scale blocking CS-LBP operator. Secondly, the stronger classification and lower dimension features can be got by applying weighted PCA algorithm. Finally, the different classifiers are used to select the optimal classification categories of low-resolution face set and calculate the recognition rate. The results in the ORL human face databases show that recognition rate can get 89.38% when the resolution of face image drops to 12[Formula: see text]10 pixel and basically satisfy the practical requirements of recognition. The further comparison of other descriptors and experiments from videos proved that the novel algorithm can improve recognition accuracy. <\/jats:p>","DOI":"10.1142\/s021800141656005x","type":"journal-article","created":{"date-parts":[[2016,3,31]],"date-time":"2016-03-31T06:39:02Z","timestamp":1459406342000},"page":"1656005","source":"Crossref","is-referenced-by-count":11,"title":["Low-Resolution Face Recognition of Multi-Scale Blocking CS-LBP and Weighted PCA"],"prefix":"10.1142","volume":"30","author":[{"given":"Jiadi","family":"Li","sequence":"first","affiliation":[{"name":"Control Science and Engineering School, Shandong University, Jinan 250061, P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhenxue","family":"Chen","sequence":"additional","affiliation":[{"name":"Control Science and Engineering School, Shandong University, Jinan 250061, P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chengyun","family":"Liu","sequence":"additional","affiliation":[{"name":"Control Science and Engineering School, Shandong University, Jinan 250061, P. R. 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