{"id":"https://openalex.org/W4200527512","doi":"https://doi.org/10.1109/ispacs51563.2021.9651060","title":"Baseball Rotation Identification Algorithm Based on Seam Curvature Matching and Pixel Similarity","display_name":"Baseball Rotation Identification Algorithm Based on Seam Curvature Matching and Pixel Similarity","publication_year":2021,"publication_date":"2021-11-16","ids":{"openalex":"https://openalex.org/W4200527512","doi":"https://doi.org/10.1109/ispacs51563.2021.9651060"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs51563.2021.9651060","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs51563.2021.9651060","pdf_url":null,"source":{"id":"https://openalex.org/S4363605678","display_name":"2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091755996","display_name":"Chang-Ting Tsai","orcid":null},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chang-Ting Tsai","raw_affiliation_strings":["Grad. Inst. Comminication Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Grad. Inst. Comminication Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022371410","display_name":"Jian\u2013Jiun Ding","orcid":"https://orcid.org/0000-0003-4510-2273"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jian-Jiun Ding","raw_affiliation_strings":["Grad. Inst. Comminication Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Grad. Inst. Comminication Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5091755996"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14674539,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12677","display_name":"Sports Dynamics and Biomechanics","score":0.9909999966621399,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12549","display_name":"Image and Object Detection Techniques","score":0.9678999781608582,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.8336225152015686},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.7930832505226135},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.6240561604499817},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5868510007858276},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5736963748931885},{"id":"https://openalex.org/keywords/angle-of-rotation","display_name":"Angle of rotation","score":0.5654916167259216},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5570757389068604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5524654388427734},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5365630984306335},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5294570326805115},{"id":"https://openalex.org/keywords/ridge","display_name":"Ridge","score":0.5175268054008484},{"id":"https://openalex.org/keywords/principal-curvature","display_name":"Principal curvature","score":0.5111711621284485},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.48821476101875305},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.4180833101272583},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3375721871852875},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30098551511764526},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19976970553398132},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.18661850690841675},{"id":"https://openalex.org/keywords/mean-curvature","display_name":"Mean curvature","score":0.12582862377166748},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10497817397117615}],"concepts":[{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.8336225152015686},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.7930832505226135},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.6240561604499817},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5868510007858276},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5736963748931885},{"id":"https://openalex.org/C60996432","wikidata":"https://www.wikidata.org/wiki/Q4763367","display_name":"Angle of rotation","level":3,"score":0.5654916167259216},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5570757389068604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5524654388427734},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5365630984306335},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5294570326805115},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.5175268054008484},{"id":"https://openalex.org/C16977076","wikidata":"https://www.wikidata.org/wiki/Q1589551","display_name":"Principal curvature","level":4,"score":0.5111711621284485},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.48821476101875305},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4180833101272583},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3375721871852875},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30098551511764526},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19976970553398132},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.18661850690841675},{"id":"https://openalex.org/C175017881","wikidata":"https://www.wikidata.org/wiki/Q1318998","display_name":"Mean curvature","level":3,"score":0.12582862377166748},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10497817397117615},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ispacs51563.2021.9651060","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs51563.2021.9651060","pdf_url":null,"source":{"id":"https://openalex.org/S4363605678","display_name":"2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1563062848","https://openalex.org/W1874745161","https://openalex.org/W2034501924","https://openalex.org/W2110945836"],"related_works":["https://openalex.org/W2039089021","https://openalex.org/W2168497096","https://openalex.org/W2130450339","https://openalex.org/W2354710386","https://openalex.org/W2005204240","https://openalex.org/W2909819188","https://openalex.org/W2021032139","https://openalex.org/W2350692777","https://openalex.org/W2175710703","https://openalex.org/W2963067241"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"an":[3],"automatic":[4,98],"algorithm":[5],"for":[6,87,97],"baseball":[7,79,94],"rotation":[8,13,75,90],"analysis.":[9,101],"To":[10],"analyze":[11],"the":[12,18,42,45,48,54,61,71,74,78,89,93],"angle":[14,63,76],"of":[15,77,92],"a":[16],"baseball,":[17],"seam":[19,43],"feature":[20],"and":[21,33,68,95],"its":[22],"curvature":[23,49,56],"play":[24],"very":[25],"important":[26],"roles.":[27],"Therefore,":[28],"after":[29],"performing":[30],"background":[31],"removal":[32],"denoising,":[34],"we":[35],"first":[36],"adopt":[37],"ridge":[38],"detection":[39],"to":[40,53],"extract":[41],"on":[44,65],"baseball.":[46],"Then,":[47],"is":[50,85],"calculated.":[51],"According":[52],"pixel-wise":[55],"information,":[57],"one":[58],"can":[59,80],"determine":[60],"ration":[62],"based":[64],"template":[66],"sifting":[67],"matching.":[69],"With":[70],"proposed":[72],"algorithm,":[73],"be":[81],"determined":[82],"accurately.":[83],"It":[84],"helpful":[86],"determining":[88],"rate":[91],"beneficial":[96],"sport":[99],"video":[100]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
