{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T14:14:30Z","timestamp":1753884870663,"version":"3.41.2"},"reference-count":47,"publisher":"World Scientific Pub Co Pte Ltd","issue":"15","funder":[{"DOI":"10.13039\/501100001809","name":"Natural Science Foundation of China","doi-asserted-by":"crossref","award":["61672273"],"award-info":[{"award-number":["61672273"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2022,12,15]]},"abstract":"<jats:p> Classification of photos captured by different photographers is an important and challenging problem in knowledge-based and image processing. Monitoring and authenticating images uploaded on social media are essential, and verifying the source is one key piece of evidence. We present a novel framework for classifying photos of different photographers based on the combination of local features and deep learning models. The proposed work uses focused and defocused information in the input images to extract contextual information. The model estimates the weighted gradient and calculates entropy to strengthen context features. The focused and defocused information is fused to estimate cross-covariance and define a linear relationship between them. This relationship results in a feature matrix fed to Knowledge Enforcement Network (KEN) for obtaining representative features. Due to the strong discriminative ability of deep learning models, we employ the lightweight and accurate MobileNetV2. The output of KEN and MobileNetV2 is sent to a classifier for photographer classification. Experimental results of the proposed model on our dataset of 46 photographer classes (46234 images) and publicly available datasets of 41 photographer classes (218303 images) show that the method outperforms the existing techniques by 5%\u201310% on average. The dataset created for the experimental purpose will be made available upon publication. <\/jats:p>","DOI":"10.1142\/s021800142250046x","type":"journal-article","created":{"date-parts":[[2022,12,10]],"date-time":"2022-12-10T08:01:25Z","timestamp":1670659285000},"source":"Crossref","is-referenced-by-count":0,"title":["A Knowledge Enforcement Network-Based Approach for Classifying a Photographer\u2019s Images"],"prefix":"10.1142","volume":"36","author":[{"given":"Palaiahnakote","family":"Shivakumara","sequence":"first","affiliation":[{"name":"Department of Computer System and Technology, Faculty of Computer Science and Information Technology, University of Malaya, Malaysia"}]},{"given":"Pinaki Nath","family":"Chowdhury","sequence":"additional","affiliation":[{"name":"Computer Vision and Pattern Recognition Unit, Indian Statistical Institute, Kolkata, India"}]},{"given":"Umapada","family":"Pal","sequence":"additional","affiliation":[{"name":"Computer Vision and Pattern Recognition Unit, Indian Statistical Institute, Kolkata, India"}]},{"given":"David","family":"Doermann","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Engineering, University at Buffalo, USA"}]},{"given":"Raghavendra","family":"Ramachandra","sequence":"additional","affiliation":[{"name":"Faculty of Information Technology and Electrical Engineering, IIK, NTNU, Norway"}]},{"given":"Tong","family":"Lu","sequence":"additional","affiliation":[{"name":"National Key Lab for Novel Software Technology, Nanjing University, Nanjing, P.\u00a0R.\u00a0China"}]},{"given":"Michael","family":"Blumenstein","sequence":"additional","affiliation":[{"name":"University of Technology Sydney, Australia"}]}],"member":"219","published-online":{"date-parts":[[2022,12,10]]},"reference":[{"key":"S021800142250046XBIB001","doi-asserted-by":"crossref","first-page":"35264","DOI":"10.1109\/ACCESS.2019.2903876","volume":"7","author":"Amerini I.","year":"2019","journal-title":"IEEE Access"},{"volume-title":"Proc. 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