{"id":"https://openalex.org/W7165763884","doi":"https://doi.org/10.1109/tip.2026.3703758","title":"Voxel-Based Point Cloud Geometry Compression With Space-to-Channel Context","display_name":"Voxel-Based Point Cloud Geometry Compression With Space-to-Channel Context","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7165763884","doi":"https://doi.org/10.1109/tip.2026.3703758","pmid":"https://pubmed.ncbi.nlm.nih.gov/42340914"},"language":"en","primary_location":{"id":"doi:10.1109/tip.2026.3703758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2026.3703758","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5072482359","display_name":"Bojun Liu","orcid":"https://orcid.org/0000-0002-3062-1612"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bojun Liu","raw_affiliation_strings":["MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0001-5555-5658","affiliations":[{"raw_affiliation_string":"MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139288436","display_name":"Yangzhi Ma","orcid":"https://orcid.org/0009-0009-0967-4283"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangzhi Ma","raw_affiliation_strings":["MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0009-0009-0967-4283","affiliations":[{"raw_affiliation_string":"MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101440986","display_name":"Ao Luo","orcid":"https://orcid.org/0000-0001-9919-3022"},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ao Luo","raw_affiliation_strings":["School of Fundamental Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Fundamental Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100361230","display_name":"Li Li","orcid":"https://orcid.org/0000-0002-7163-6263"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li Li","raw_affiliation_strings":["Hefei Comprehensive National Science Center, Institute of Artificial Intelligence, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-7163-6263","affiliations":[{"raw_affiliation_string":"Hefei Comprehensive National Science Center, Institute of Artificial Intelligence, Hefei, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100407381","display_name":"Dong Liu","orcid":"https://orcid.org/0000-0001-9100-2906"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Liu","raw_affiliation_strings":["MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0001-9100-2906","affiliations":[{"raw_affiliation_string":"MOE Key Laboratory of Brain-Inspired Intelligent Perception and Cognition, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.994,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.97791782,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"35","issue":null,"first_page":"7105","last_page":"7118"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.8323000073432922,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.8323000073432922,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.026100000366568565,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10638","display_name":"Optical measurement and interference techniques","score":0.01549999974668026,"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/context","display_name":"Context (archaeology)","score":0.5397999882698059},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.49790000915527344},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.4611999988555908},{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.45239999890327454},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.3847000002861023},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.35519999265670776},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.3456999957561493}],"concepts":[{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5397999882698059},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5210999846458435},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.49790000915527344},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.4611999988555908},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.45239999890327454},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4307999908924103},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.3847000002861023},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3644999861717224},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35839998722076416},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.35519999265670776},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.3456999957561493},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3197999894618988},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3140000104904175},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3102000057697296},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.30469998717308044},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.2867000102996826},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.27970001101493835},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.2599000036716461},{"id":"https://openalex.org/C183322885","wikidata":"https://www.wikidata.org/wiki/Q17007702","display_name":"Context model","level":3,"score":0.2531999945640564},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.25189998745918274}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tip.2026.3703758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tip.2026.3703758","pdf_url":null,"source":{"id":"https://openalex.org/S4210173141","display_name":"IEEE Transactions on Image Processing","issn_l":"1057-7149","issn":["1057-7149","1941-0042"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Image Processing","raw_type":"journal-article"},{"id":"pmid:42340914","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42340914","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on image processing : a publication of the IEEE Signal Processing Society","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4403921541","display_name":null,"funder_award_id":"2024ZD1300600","funder_id":"https://openalex.org/F4320327331","funder_display_name":"National Commission for Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320327331","display_name":"National Commission for Science and Technology","ror":"https://ror.org/04gm1wq32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Voxel-based":[0],"methods":[1],"are":[2],"among":[3],"the":[4,28,55,79,111],"most":[5],"efficient":[6],"for":[7,49,104,115],"point":[8,15,35,52,60,84],"cloud":[9],"geometry":[10],"compression,":[11],"particularly":[12],"with":[13,124],"dense":[14,51],"clouds.":[16,36,61],"However,":[17],"they":[18],"face":[19],"limitations":[20,97],"due":[21],"to":[22,69,162],"a":[23,43,65,75,89,125,133],"restricted":[24],"receptive":[25],"field":[26],"from":[27],"upsampling":[29],"operation,":[30],"especially":[31],"when":[32],"handling":[33],"high-bit-depth":[34],"To":[37],"overcome":[38],"this":[39],"issue,":[40],"we":[41,86,109],"introduce":[42],"stage-wise":[44],"Space-to-Channel":[45],"(S2C)":[46],"context":[47,92,143],"model":[48,63,93,144],"both":[50],"clouds":[53],"and":[54,119],"low-level":[56],"part":[57,81],"of":[58,82],"sparse":[59,83],"This":[62],"utilizes":[64],"channel-wise":[66],"autoregressive":[67],"strategy":[68],"effectively":[70],"integrate":[71],"neighborhood":[72],"information":[73],"at":[74],"coarse":[76],"resolution.":[77],"For":[78],"high-level":[80],"clouds,":[85],"further":[87],"propose":[88],"level-wise":[90],"S2C":[91,142],"that":[94,140],"addresses":[95],"resolution":[96],"by":[98],"incorporating":[99],"Geometry":[100],"Residual":[101,126],"Coding":[102],"(GRC)":[103],"consistent-resolution":[105],"cross-level":[106],"prediction.":[107],"Additionally,":[108],"use":[110],"spherical":[112],"coordinate":[113],"system":[114],"its":[116],"compact":[117],"representation":[118],"enhance":[120],"our":[121,141],"GRC":[122],"approach":[123],"Probability":[127],"Approximation":[128],"(RPA)":[129],"module,":[130],"which":[131],"features":[132],"large":[134],"kernel":[135],"size.":[136],"Experimental":[137],"results":[138],"show":[139],"not":[145],"only":[146],"achieves":[147],"bit":[148],"savings":[149],"while":[150],"maintaining":[151],"or":[152],"improving":[153],"reconstruction":[154],"quality":[155],"but":[156],"also":[157],"reduces":[158],"computational":[159],"complexity":[160],"compared":[161],"state-of-the-art":[163],"voxel-based":[164],"compression":[165],"methods.":[166]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-08T06:17:01.165560","created_date":"2026-06-25T00:00:00"}
