{"doi":"10.1117/12.2646892","title":"Exploiting voxel-sparsity for bone imaging with sparse-view cone-beam computed tomography","abstract":"An optimization-based image reconstruction framework is developed specifically for bone imaging. This framework exploits voxel-sparsity by use of ℓ<sub>1</sub>-norm image regularization and it enables image reconstruction from sparse-view cone-beam computed tomography (CBCT) acquisition. The effectiveness of the voxel-sparsity regularization is enhanced by using a blurred image representation. Ramp-filtering is included in the data discrepancy term and it has the effect of acting as a preconditioner, reducing the necessary number of iterations. The bone image reconstruction framework is demonstrated on CBCT data taken from an equine metacarpal condyle specimen.","journal":"7th International Conference on Image Formation in X-Ray Computed Tomography","year":2022,"id":312407,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9584,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2022-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":964951,"name":"Holly L. Stewart","orcid":"0000-0002-8655-8069","position":1,"is_corresponding":false},{"id":1009856,"name":"Christopher E. Kawcak","orcid":"0000-0003-2401-9710","position":2,"is_corresponding":false},{"id":1010346,"name":"Wayne McIlwraith","orcid":null,"position":3,"is_corresponding":false},{"id":1009857,"name":"Martine C. Duff","orcid":"0000-0001-9029-808X","position":4,"is_corresponding":false},{"id":459932,"name":"Xiaochuan Pan","orcid":"0000-0002-3074-9771","position":5,"is_corresponding":false},{"id":459931,"name":"Emil Y. Sidky","orcid":"0000-0002-6951-2456","position":0,"is_corresponding":true}],"reference_count":8,"raw_metadata":null,"created_at":"2026-07-19T00:33:36.072096Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}