{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T17:46:23Z","timestamp":1791740783689,"version":"4.3.4"},"reference-count":36,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"National Institute of Health","award":["EB032716"],"award-info":[{"award-number":["EB032716"]}]},{"name":"National Institute of Health","award":["HL151561"],"award-info":[{"award-number":["HL151561"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of X-Ray Science and Technology"],"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Calcium blooming in coronary CT angiography (CCTA) enlarges calcified plaques, obscures the coronary lumen, and complicates stenosis assessment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To develop an efficient restoration method that suppresses blooming while preserving calcium and recovering adjacent lumen structure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We propose Short-Trajectory Artifact-Reversal (STAR) Diffusion, which progressively transforms a blooming-corrupted patch toward a debloomed target. Soft Annular Boundary Attention (SABA) reduces attention leakage from the blooming-prone annulus into the calcium core.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>On 232 held-out synthetic 3D test cases, each sampled from a distinct anatomical location and unique plaque, background, calcium concentration, and exposure\/noise configuration, STAR Diffusion achieved Dice 0.9248, Core RMSE 134.99 HU, and Annulus RMSE 90.05 HU. Metrics were computed after slice-wise inference and volumetric reassembly, with one matched case-level measurement per test volume for direct comparison across methods. The method improved calcium-region agreement and annular error relative to classical, GAN-based, and latent diffusion baselines, while ablations showed complementary contributions from spatial-prior conditioning and SABA. STAR Diffusion also reduced inference time compared with long-trajectory latent diffusion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>In synthetic paired-data experiments, short-trajectory, spatially guided diffusion with boundary-aware attention reduced blooming while preserving plaque morphology and apparent lumen visibility. Clinical examples showed qualitatively similar behavior across plaque shapes and backgrounds.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/08953996261491999","type":"journal-article","created":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T12:18:12Z","timestamp":1791461892000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Short-Trajectory artifact-reversal diffusion for CCTA calcium deblooming"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-1563-0667","authenticated-orcid":false,"given":"Mahmud Wasif","family":"Nafee","sequence":"first","affiliation":[{"name":"Rensselaer Polytechnic Institute"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muhan","family":"Shao","sequence":"additional","affiliation":[{"name":"GE HealthCare, Technology and Innovation Center, Niskayuna, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8219-4272","authenticated-orcid":false,"given":"Christopher","family":"Wiedeman","sequence":"additional","affiliation":[{"name":"GE HealthCare, Technology and Innovation Center, Niskayuna, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9368-8881","authenticated-orcid":false,"given":"Lin","family":"Fu","sequence":"additional","affiliation":[{"name":"GE HealthCare, Technology and Innovation Center, Niskayuna, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno","family":"De Man","sequence":"additional","affiliation":[{"name":"GE HealthCare, Technology and Innovation Center, Niskayuna, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ge","family":"Wang","sequence":"additional","affiliation":[{"name":"Rensselaer Polytechnic Institute"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,10,8]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1186\/s42492-022-00125-0"},{"key":"e_1_3_3_3_2","volume-title":"Deep learning deblooming in coronary CT angiography with CatSim training data9th international conference on image formation in x-ray computed tomography","author":"Shao M","year":"2026","unstructured":"Shao M, Wiedeman C, Fu L, et al. 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