{"id":"https://openalex.org/W4408288673","doi":"https://doi.org/10.1201/9781003600046-9","title":"Building a Star Catalog from an Image","display_name":"Building a Star Catalog from an Image","publication_year":2025,"publication_date":"2025-03-10","ids":{"openalex":"https://openalex.org/W4408288673","doi":"https://doi.org/10.1201/9781003600046-9"},"language":"en","primary_location":{"id":"doi:10.1201/9781003600046-9","doi":"https://doi.org/10.1201/9781003600046-9","is_oa":false,"landing_page_url":"https://doi.org/10.1201/9781003600046-9","pdf_url":null,"source":{"id":"https://openalex.org/S4306463075","display_name":"CRC Press eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320584","host_organization_name":"CRC Press","host_organization_lineage":["https://openalex.org/P4310320584","https://openalex.org/P4310320547"],"host_organization_lineage_names":["CRC Press","Taylor & Francis"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Python Experiments in Physics and Astronomy","raw_type":"book-chapter"},"volume":{"id":"https://openalex.org/W4408288565","display_name":"Python Experiments in Physics and Astronomy"},"type":"book-chapter","is_traditional":true,"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/A5071933425","display_name":"Padraig Houlahan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Padraig Houlahan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5071933425"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11951326,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"128","last_page":"139"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14163","display_name":"Astronomical Observations and Instrumentation","score":0.3003000020980835,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T14163","display_name":"Astronomical Observations and Instrumentation","score":0.3003000020980835,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12917","display_name":"Astronomy and Astrophysical Research","score":0.27390000224113464,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12549","display_name":"Image and Object Detection Techniques","score":0.12189999967813492,"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/star-catalogues","display_name":"star catalogues","score":0.8980000019073486},{"id":"https://openalex.org/keywords/star-detection","display_name":"star detection","score":0.671999990940094},{"id":"https://openalex.org/keywords/object-detection","display_name":"object detection","score":0.597000002861023},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"image segmentation","score":0.5809999704360962},{"id":"https://openalex.org/keywords/linked-lists","display_name":"linked lists","score":0.8040000200271606},{"id":"https://openalex.org/keywords/object-tracking","display_name":"object tracking","score":0.5379999876022339},{"id":"https://openalex.org/keywords/flux-measurement","display_name":"flux measurement","score":0.6389999985694885},{"id":"https://openalex.org/keywords/object-position","display_name":"object position","score":0.32600000500679016},{"id":"https://openalex.org/keywords/astronomical-image-processing","display_name":"astronomical image processing","score":0.4790000021457672}],"concepts":[{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.7039697766304016},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5601335167884827},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4695972204208374},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.3077973425388336},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27593994140625},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23711639642715454}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1201/9781003600046-9","doi":"https://doi.org/10.1201/9781003600046-9","is_oa":false,"landing_page_url":"https://doi.org/10.1201/9781003600046-9","pdf_url":null,"source":{"id":"https://openalex.org/S4306463075","display_name":"CRC Press eBooks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320584","host_organization_name":"CRC Press","host_organization_lineage":["https://openalex.org/P4310320584","https://openalex.org/P4310320547"],"host_organization_lineage_names":["CRC Press","Taylor & Francis"],"type":"ebook platform"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Python Experiments in Physics and Astronomy","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3127659826","https://openalex.org/W2347495935","https://openalex.org/W2951134016","https://openalex.org/W2102652411","https://openalex.org/W122200280","https://openalex.org/W2135481431","https://openalex.org/W3143606754","https://openalex.org/W2326010329","https://openalex.org/W2999385222","https://openalex.org/W2002068855"],"abstract_inverted_index":{"While":[0],"it":[1],"sounds":[2],"simple,":[3],"it\u2019s":[4],"not":[5],"trivial":[6],"to":[7,53],"process":[8],"an":[9,67,70,162],"image":[10,22,71],"with":[11,24],"objects":[12,45,56],"such":[13,26,124],"as":[14,27,125],"stars,":[15],"and":[16,30,41,60,93,119,129,152,156],"produce":[17],"a":[18,33,81,90,113,158],"catalog":[19],"of":[20,86,108,115,136,165],"the":[21,78,106,141,148],"objects,":[23,110],"measurements":[25],"position,":[28],"size,":[29],"amplitude.":[31],"In":[32,62,77],"pixel-by-pixel":[34],"scan,":[35],"there":[36,111],"are":[37],"issues":[38],"where":[39,69],"irregularity":[40],"noise":[42],"can":[43,131],"require":[44],"previously":[46],"considered":[47],"separate,":[48],"be":[49,58,132],"merged":[50],"so":[51],"mechanisms":[52],"track":[54],"tentative":[55],"must":[57],"maintained":[59],"managed.":[61],"this":[63,137],"chapter,":[64],"we":[65],"show":[66],"approach":[68,138],"is":[72,84,98,112,139,144,153,170],"processed":[73,99],"in":[74,105],"multiple":[75],"stages.":[76],"first":[79],"stage,":[80],"linked":[82],"list":[83,97,107,114,143,164,169],"created":[85],"all":[87],"pixels":[88],"exceeding":[89],"specified":[91],"threshold,":[92],"then":[94],"that":[95,116,140,168],"pixel":[96,150],"into":[100],"objects.":[101],"For":[102],"each":[103],"entry":[104],"detected":[109,159],"object\u2019s":[117],"pixels,":[118,167],"from":[120],"these,":[121],"object":[122,160],"properties":[123],"area,":[126],"amplitude":[127],"(flux/intensity),":[128],"position":[130],"derived.":[133],"The":[134],"advantage":[135],"initial-linked":[142],"much":[145],"smaller":[146],"than":[147],"image\u2019s":[149],"count":[151],"quite":[154],"efficient,":[155],"since":[157],"has":[161],"associated":[163],"its":[166],"available":[171],"for":[172],"further":[173],"study.":[174]},"counts_by_year":[],"updated_date":"2026-10-10T09:11:00.788812","created_date":"2025-03-11T00:00:00"}