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The main assumption of MCA is that the image geometric structure and texture structure components are sparse within a class under a specific base or overcomplete dictionary, while the base or overcomplete dictionaries of each sparse representation of morphological components are incoherent. Thereafter, the corresponding image signal is transformed according to the dictionary to obtain the sparse representation coefficients of each part of the information, and the coefficients are shrunk by soft thresholding to obtain new coefficients. Experimental results show the effectiveness of the shadow separation method proposed in this paper.<\/jats:p>","DOI":"10.1155\/2021\/8828635","type":"journal-article","created":{"date-parts":[[2021,1,16]],"date-time":"2021-01-16T01:50:07Z","timestamp":1610761807000},"page":"1-10","source":"Crossref","is-referenced-by-count":0,"title":["Shadow Separation of Pavement Images Based on Morphological Component Analysis"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0603-5493","authenticated-orcid":true,"given":"Changxia","family":"Ma","sequence":"first","affiliation":[{"name":"School of Computer Engineering, Jiangsu Ocean University, Lianyungang 222005, China"}]},{"given":"Heng","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Computer Engineering, Jiangsu Ocean University, Lianyungang 222005, China"}]},{"given":"Bing","family":"Keong Li","sequence":"additional","affiliation":[{"name":"Jiangsu LiCi Medical Device Co. 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