{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T01:37:31Z","timestamp":1776821851293,"version":"3.51.2"},"reference-count":21,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T00:00:00Z","timestamp":1769472000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Artif. Intell."],"abstract":"<jats:p>In the context of the information age, traditional password and key-based authentication mechanisms are no longer sufficient to meet the growing demands for information security. Iris recognition technology has garnered attention due to its high security and uniqueness. Current iris recognition methods based on single feature extraction are prone to loss of feature information, which affects recognition rates. To address this, this paper proposes a multi-feature fusion-based iris recognition method. The method employs a comprehensive quality evaluation scheme to filter iris images, ensuring the quality of the input images. An improved CAN network is used to effectively remove image noise, and a DenseNet network-based iris feature extraction method is combined with a fusion space and attention mechanism (CBAM) to enhance the expressiveness of features. Through experiments with small sample sizes and testing on various public iris databases, the proposed method has been validated for significant improvements in recognition accuracy and robustness.<\/jats:p>","DOI":"10.3389\/frai.2025.1714882","type":"journal-article","created":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T06:41:59Z","timestamp":1769496119000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["CBAM-DenseNet with multi-feature quality filtering: advancing accuracy in small-sample iris recognition"],"prefix":"10.3389","volume":"8","author":[{"given":"Yongheng","family":"Pang","sequence":"first","affiliation":[{"name":"Shanghai Key Laboratory of Forensic Medicine and Key Laboratory of Forensic Science, Ministry of Justice, Shenyang","place":["Liaoning, China"]},{"name":"School of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang","place":["Liaoning, China"]}]},{"given":"Zishen","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang","place":["Liaoning, China"]}]},{"given":"Nan","family":"Jiang","sequence":"additional","affiliation":[{"name":"School of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang","place":["Liaoning, China"]}]},{"given":"Jia","family":"Qin","sequence":"additional","affiliation":[{"name":"School of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang","place":["Liaoning, China"]}]},{"given":"Suyuan","family":"Li","sequence":"additional","affiliation":[{"name":"School of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang","place":["Liaoning, China"]}]}],"member":"1965","published-online":{"date-parts":[[2026,1,27]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"153","DOI":"10.1049\/iet-bmt.2017.0041","article-title":"Hybrid robust iris recognition approach using iris image pre-processing, two-dimensional gabor features and multi-layer perceptron neural network\/PSO","volume":"7","author":"Ahmadi","year":"2018","journal-title":"IET Biometrics"},{"key":"B2","doi-asserted-by":"publisher","first-page":"783","DOI":"10.1007\/s10044-017-0656-1","article-title":"A multi-biometric iris recognition system based on a deep learning approach","volume":"21","author":"Al-Waisy","year":"2018","journal-title":"Pattern Analy. 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