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In the star images, star points, whose characteristics are limited, are easily influenced by noise and are also difficult to extract. The number of stars is too large to stitch accurately. Thus, we propose a stitching algorithm based on blocking star images. First, we establish the maximum intensity projection model based on time sequence to locate the star points accurately. Then, according to the relative positions of star points, the block model is introduced to realize the establishment of the characteristics. Finally, the star image stitching is achieved from the perspective of the characteristic similarity. The experiments illustrate that CM (combination measure) reaches 0.87, and the proposed algorithm has better anti-noise performance and robustness. <\/jats:p>","DOI":"10.1142\/s0218001419540284","type":"journal-article","created":{"date-parts":[[2018,12,17]],"date-time":"2018-12-17T04:15:52Z","timestamp":1545020152000},"page":"1954028","source":"Crossref","is-referenced-by-count":2,"title":["A Characteristic Extraction Algorithm Based on Blocking Star Images"],"prefix":"10.1142","volume":"33","author":[{"given":"Yun","family":"Du","sequence":"first","affiliation":[{"name":"Xi\u2019an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi\u2019an 710119, P.\u00a0R.\u00a0China"},{"name":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an 710049, P.\u00a0R.\u00a0China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Desheng","family":"Wen","sequence":"additional","affiliation":[{"name":"Xi\u2019an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi\u2019an 710119, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guizhong","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an 710049, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8127-7594","authenticated-orcid":false,"given":"Shi","family":"Qiu","sequence":"additional","affiliation":[{"name":"Xi\u2019an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi\u2019an 710119, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ni","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Virtual Reality, Technology and Systems, Beihang University, Beijing 100083, P.\u00a0R.\u00a0China"},{"name":"School of Automation Science and Electrical Engineering, Beihang University, Beijing 100083, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2019,8,7]]},"reference":[{"key":"S0218001419540284BIB001","doi-asserted-by":"publisher","DOI":"10.1117\/12.2284264"},{"key":"S0218001419540284BIB002","doi-asserted-by":"publisher","DOI":"10.1109\/7.869495"},{"key":"S0218001419540284BIB003","doi-asserted-by":"publisher","DOI":"10.1016\/j.asr.2017.11.042"},{"key":"S0218001419540284BIB004","doi-asserted-by":"crossref","first-page":"4818","DOI":"10.1109\/ICMLC.2005.1527791","volume-title":"Proc. 2005 Int. 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