{"id":"https://openalex.org/W4414750137","doi":"https://doi.org/10.1016/j.compag.2025.111039","title":"Feeding behavior recognition of group-housed pigs based on pose estimation and keypoint features discrimination","display_name":"Feeding behavior recognition of group-housed pigs based on pose estimation and keypoint features discrimination","publication_year":2025,"publication_date":"2025-10-02","ids":{"openalex":"https://openalex.org/W4414750137","doi":"https://doi.org/10.1016/j.compag.2025.111039"},"language":"en","primary_location":{"id":"doi:10.1016/j.compag.2025.111039","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.compag.2025.111039","pdf_url":null,"source":{"id":"https://openalex.org/S116775814","display_name":"Computers and Electronics in Agriculture","issn_l":"0168-1699","issn":["0168-1699","1872-7107"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers and Electronics in Agriculture","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.compag.2025.111039","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100569644","display_name":"Yuhang Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhang Hu","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100548702","display_name":"Dai Xin","orcid":null},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Dai","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034358664","display_name":"Baisheng Dai","orcid":"https://orcid.org/0000-0001-9917-2053"},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Baisheng Dai","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China"],"raw_orcid":"https://orcid.org/0000-0001-9917-2053","affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]},{"raw_affiliation_string":"Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China","institution_ids":["https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100428083","display_name":"Ran Li","orcid":"https://orcid.org/0000-0002-6504-6179"},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Li","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085142193","display_name":"Junlong Fang","orcid":"https://orcid.org/0000-0002-2116-3795"},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Junlong Fang","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]},{"raw_affiliation_string":"Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China","institution_ids":["https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100549512","display_name":"Yanling Yin","orcid":null},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanling Yin","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]},{"raw_affiliation_string":"Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China","institution_ids":["https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009819329","display_name":"Honggui Liu","orcid":"https://orcid.org/0000-0002-0376-3623"},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Honggui Liu","raw_affiliation_strings":["College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China","Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]},{"raw_affiliation_string":"Key Laboratory of Pig-breeding Facilities Engineering, Ministry of Agriculture and Rural Affairs, Harbin 150030, China","institution_ids":["https://openalex.org/I4210151987"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050355504","display_name":"Weizheng Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I169572211","display_name":"Northeast Agricultural University","ror":"https://ror.org/0515nd386","country_code":"CN","type":"education","lineage":["https://openalex.org/I169572211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weizheng Shen","raw_affiliation_strings":["College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China","institution_ids":["https://openalex.org/I169572211"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5034358664","https://openalex.org/A5085142193"],"corresponding_institution_ids":["https://openalex.org/I169572211","https://openalex.org/I4210151987"],"apc_list":{"value":3870,"currency":"USD","value_usd":3870},"apc_paid":{"value":3870,"currency":"USD","value_usd":3870},"fwci":5.8002,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.96398966,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"239","issue":null,"first_page":"111039","last_page":"111039"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10838","display_name":"Animal Behavior and Welfare Studies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/3404","display_name":"Small Animals"},"field":{"id":"https://openalex.org/fields/34","display_name":"Veterinary"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10838","display_name":"Animal Behavior and Welfare Studies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/3404","display_name":"Small Animals"},"field":{"id":"https://openalex.org/fields/34","display_name":"Veterinary"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12365","display_name":"Effects of Environmental Stressors on Livestock","score":0.9269999861717224,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pose","display_name":"Pose","score":0.7085000276565552},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5615000128746033},{"id":"https://openalex.org/keywords/animal-behavior","display_name":"Animal behavior","score":0.5430999994277954},{"id":"https://openalex.org/keywords/feeding-behavior","display_name":"Feeding behavior","score":0.5317000150680542},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4016000032424927},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.3587999939918518}],"concepts":[{"id":"https://openalex.org/C52102323","wikidata":"https://www.wikidata.org/wiki/Q1671968","display_name":"Pose","level":2,"score":0.7085000276565552},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7045000195503235},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5615000128746033},{"id":"https://openalex.org/C2988419192","wikidata":"https://www.wikidata.org/wiki/Q7155","display_name":"Animal behavior","level":2,"score":0.5430999994277954},{"id":"https://openalex.org/C3017650416","wikidata":"https://www.wikidata.org/wiki/Q3281331","display_name":"Feeding behavior","level":2,"score":0.5317000150680542},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46639999747276306},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4147999882698059},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4016000032424927},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.3587999939918518},{"id":"https://openalex.org/C3020271038","wikidata":"https://www.wikidata.org/wiki/Q3281331","display_name":"Eating behavior","level":3,"score":0.3382999897003174},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.32749998569488525},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.30550000071525574},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.28519999980926514},{"id":"https://openalex.org/C155032097","wikidata":"https://www.wikidata.org/wiki/Q798503","display_name":"Backpropagation","level":3,"score":0.25529998540878296}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.compag.2025.111039","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.compag.2025.111039","pdf_url":null,"source":{"id":"https://openalex.org/S116775814","display_name":"Computers and Electronics in Agriculture","issn_l":"0168-1699","issn":["0168-1699","1872-7107"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers and Electronics in Agriculture","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.compag.2025.111039","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.compag.2025.111039","pdf_url":null,"source":{"id":"https://openalex.org/S116775814","display_name":"Computers and Electronics in Agriculture","issn_l":"0168-1699","issn":["0168-1699","1872-7107"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computers and Electronics in Agriculture","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3318519632","display_name":null,"funder_award_id":"YQ2023C012","funder_id":"https://openalex.org/F4320323085","funder_display_name":"Natural Science Foundation of Heilongjiang Province"},{"id":"https://openalex.org/G4664450","display_name":null,"funder_award_id":"32172784","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5730789775","display_name":null,"funder_award_id":"31902210","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6839238696","display_name":null,"funder_award_id":"QC2018074","funder_id":"https://openalex.org/F4320323085","funder_display_name":"Natural Science Foundation of Heilongjiang Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323085","display_name":"Natural Science Foundation of Heilongjiang Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W180242331","https://openalex.org/W2008056655","https://openalex.org/W2009207474","https://openalex.org/W2010189778","https://openalex.org/W2057802201","https://openalex.org/W2346684344","https://openalex.org/W2527150209","https://openalex.org/W2887114371","https://openalex.org/W2899609705","https://openalex.org/W2996838760","https://openalex.org/W3014641072","https://openalex.org/W3042132036","https://openalex.org/W3104319631","https://openalex.org/W3158160468","https://openalex.org/W3166743007","https://openalex.org/W3183430956","https://openalex.org/W3192862018","https://openalex.org/W3215080706","https://openalex.org/W4292294979","https://openalex.org/W4313409443","https://openalex.org/W4379385725","https://openalex.org/W4383506190","https://openalex.org/W4390697525","https://openalex.org/W4391643250","https://openalex.org/W4396791524"],"related_works":[],"abstract_inverted_index":{"In":[0],"the":[1,47,53,81,99,111,124,133,136,173,201,236,247,273],"field":[2],"of":[3,12,56,83,101,153,165,181,226],"intelligent":[4],"sensing":[5],"for":[6,20,249,270],"smart":[7],"animal":[8,275],"husbandry,":[9],"accurate":[10],"recognition":[11,32,65,215,240],"feeding":[13,30,48,54,63,116,125,134,213,238,258],"behavior":[14,31,55,64,214,239,259],"in":[15,86,158,183,218,262],"group-housed":[16,57,84,118,154],"pigs":[17,102,119,155],"is":[18,77,94],"crucial":[19],"achieving":[21],"precision":[22,179,222,274],"farming":[23],"and":[24,71,115,127,145,199,209,223,228],"improving":[25],"pig":[26,29,160,185,252],"welfare.":[27],"Currently,":[28],"relies":[33],"on":[34,68,268],"detection":[35,202],"boxes-based":[36],"methods,":[37],"which":[38,87],"are":[39,120,138],"difficult":[40],"to":[41,79,97,188],"exclude":[42],"Non-Nutritive":[43,146],"Visiting":[44,147],"Behavior":[45,129,143,148],"within":[46],"zone.":[49],"To":[50],"precisely":[51],"recognize":[52],"pigs,":[58,85],"this":[59,219,263],"study":[60],"proposes":[61],"a":[62,88,163],"method":[66,216,241],"based":[67],"pose":[69,82,190],"estimation":[70,191],"keypoint":[72],"features":[73],"discrimination.":[74],"Firstly,":[75],"Pig-HRNet":[76,174],"designed":[78],"estimate":[80],"Context":[89],"Transformer":[90],"(COT)":[91],"attention":[92],"module":[93],"specially":[95],"introduced":[96],"detect":[98],"keypoints":[100,114],"more":[103],"accurately":[104,250],"under":[105,254],"crowded":[106,255],"conditions.":[107,256],"Secondly,":[108],"by":[109,205,272],"analyzing":[110],"correlation":[112],"between":[113],"zone,":[117,135],"divided":[121],"into":[122,141],"visiting":[123,132],"zone":[126],"Non-Feeding":[128],"(NFB).":[130],"For":[131],"behaviors":[137],"further":[139],"categorized":[140],"Feeding":[142],"(FB)":[144],"(NNVB).":[149],"The":[150,212,231,257],"experimental":[151],"data":[152],"were":[156],"collected":[157],"commercial":[159],"farms,":[161],"including":[162],"total":[164],"1400":[166],"video":[167],"frames.":[168],"Experimental":[169],"results":[170,233],"show":[171],"that":[172,235],"model":[175],"achieves":[176],"an":[177],"average":[178],"(AP)":[180],"97.1%":[182],"estimating":[184,251],"poses.":[186],"Compared":[187],"other":[189],"network":[192],"models":[193],"such":[194],"as":[195],"KAPAO,":[196],"HigherHRNet,":[197],"DeepLabCut,":[198],"HRNet,":[200],"AP":[203],"improved":[204],"69.0%,":[206],"16.3%,":[207],"12.3%,":[208],"0.5%,":[210],"respectively.":[211,230],"proposed":[217,237],"paper":[220,264],"achieved":[221],"recall":[224],"rates":[225],"98.8%":[227],"99.9%,":[229],"relevant":[232],"indicate":[234],"performs":[242],"well,":[243],"while":[244],"also":[245],"meeting":[246],"requirement":[248],"poses":[253],"dataset":[260],"established":[261],"has":[265],"been":[266],"shared":[267],"https://github.com/IPCLab-NEAU/Group-housed-pigs-Feeding-Behavior-Recognition":[269],"use":[271],"husbandry":[276],"research":[277],"community.":[278]},"counts_by_year":[{"year":2026,"cited_by_count":5}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}