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Panoramic nail fold images improve the efficiency and accuracy of examinations. However, the acquisition of panoramic nail fold images is seldom studied and the problem manifests of few matching feature points when image stitching is used for such images. Therefore, this paper presents a method for panoramic nail fold image stitching based on vascular contour enhancement, which first solves the problem of few matching feature points by pre\u2010processing the image with contrast\u2010constrained adaptive histogram equalization (CLAHE), bilateral filtering (BF), and sharpening algorithms. The panoramic images of the nail fold blood vessels are then successfully stitched using the fast robust feature (SURF), fast library of approximate nearest neighbors (FLANN) and random sample agreement (RANSAC) algorithms. The experimental results show that the panoramic image stitched by this paper's algorithm has a field of view width of 7.43\u2009mm, which improves the efficiency and accuracy of diagnosis.\n                    <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/jbio202400105-gra-0001.png\" xlink:title=\"image\"\/>\n                  <\/jats:p>","DOI":"10.1002\/jbio.202400105","type":"journal-article","created":{"date-parts":[[2024,7,2]],"date-time":"2024-07-02T20:05:40Z","timestamp":1719950740000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Stitching method for panoramic nail fold images based on capillary contour enhancement"],"prefix":"10.1002","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-5947-7588","authenticated-orcid":false,"given":"Jianan","family":"Lin","sequence":"first","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao","family":"Yin","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanxiong","family":"Wu","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"},{"name":"Ji Hua Laboratory  Foshan Guangdong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7253-0607","authenticated-orcid":false,"given":"Jiaxiong","family":"Luo","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qianyao","family":"Ye","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bin","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mugui","family":"Xie","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cong","family":"Ye","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junzhao","family":"Liang","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaosong","family":"Li","sequence":"additional","affiliation":[{"name":"School of Physics and Optoelectronic Engineering Foshan University  Foshan China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Bin","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Traditional Chinese Medicine Syndrome\/Health Construction Center The Second Affiliated Hospital of Guangzhou University of Chinese Medicine  GuangZhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhimin","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Traditional Chinese Medicine Syndrome\/Health Construction Center The Second Affiliated Hospital of Guangzhou University of Chinese Medicine  GuangZhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,7,2]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.3389\/fphys.2020.00880"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mvr.2017.04.002"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1080\/24725625.2020.1826650"},{"key":"e_1_2_10_5_1","first-page":"452","volume-title":"Proceedings of the IEEE\u2010EMBS International Conference on Biomedical and Health Informatics (BHI 2012)","author":"Doshi N. 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