{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T13:17:02Z","timestamp":1772198222834,"version":"3.50.1"},"reference-count":22,"publisher":"Society of Exploration Geophysicists","issue":"3","funder":[{"name":"China University of Petroleum-Beijing at Karamay","award":["XQZX20200008"],"award-info":[{"award-number":["XQZX20200008"]}]},{"name":"China University of Petroleum-Beijing at Karamay","award":["XQZX20200008"],"award-info":[{"award-number":["XQZX20200008"]}]}],"content-domain":{"domain":["library.seg.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,5,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>The conventional coherence attribute is typically applied to migrated full-stack seismic data volumes to detect geologic discontinuities. Recently, multispectral, multiazimuth, and multioffset coherence attributes have been proposed and implemented with different seismic data volumes of specific frequencies, azimuths, and offsets to enhance discontinuities. Generally, geologic anomalies, such as faults and channels, will be better illuminated by a perpendicular rather than a parallel direction for computation. Therefore, we have developed a multidirectional eigenvalue-based coherence attribute by establishing multiple covariance matrices along certain different directions on a single poststack volume. We adopt two methods to compute a multidirectional coherence attribute. One is to compute multiple coherence volumes in different directions and to define the minimum as the final multidirectional coherence. This method is time-consuming, but it could provide partial and overall discontinuity simultaneously. The other method obtains one coherence volume by summing covariance matrices in different directions, which is computationally efficient, but only provides overall discontinuity. The performance of our 3D physical model and field data volumes demonstrates that multidirectional coherence can highlight subtle geologic structures with a higher resolution than conventional coherence. This suggests that a multidirectional coherence attribute may serve as an effective tool for detecting the distribution of geologic discontinuities in seismic interpretation.<\/jats:p>","DOI":"10.1190\/geo2020-0354.1","type":"journal-article","created":{"date-parts":[[2021,1,7]],"date-time":"2021-01-07T12:38:00Z","timestamp":1610023080000},"page":"O29-O36","update-policy":"https:\/\/doi.org\/10.1190\/crossmark-policy","source":"Crossref","is-referenced-by-count":10,"title":["Multidirectional eigenvalue-based coherence attribute for discontinuity detection"],"prefix":"10.1190","volume":"86","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5195-5710","authenticated-orcid":false,"given":"Binpeng","family":"Yan","sequence":"first","affiliation":[{"name":"China University of Petroleum-Beijing at Karamay 1 , Department of Petroleum, Xinjiang 834000, China. E-mail: yanbp@cupk.edu.cn (corresponding author)."}]},{"given":"Ruirui","family":"Fang","sequence":"additional","affiliation":[{"name":"China University of Petroleum-Beijing at Karamay 2 , Department of Arts and Sciences, Xinjiang 834000, China. E-mail: fangruirui@cupk.edu.cn ."}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9719-6297","authenticated-orcid":false,"given":"Xingguo","family":"Huang","sequence":"additional","affiliation":[{"name":"University of Bergen 3 , Department of Earth Sciences, Allegate 41, Bergen 5020, Norway. E-mail: xingguo.huang19@gmail.com ."}]},{"given":"Weiming","family":"Ou","sequence":"additional","affiliation":[{"name":"The 54th Research Institute of China Electronics Technology Group 4 , Shijiazhuang 050000, China. E-mail: 18744015103@163.com ."}]}],"member":"186","published-online":{"date-parts":[[2021,3,11]]},"reference":[{"key":"2025121212203564500_r1","doi-asserted-by":"crossref","first-page":"1053","DOI":"10.1190\/1.1437077","article-title":"3-D seismic discontinuity for faults and stratigraphic features: The coherence cube","volume":"14","author":"Bahorich","year":"1995","journal-title":"The Leading Edge"},{"key":"2025121212203564500_r2","unstructured":"Bakker\n              P.\n            \n          , 2002, Image structure analysis for seismic interpretation: Ph.D. thesis, Delft University of Technology."},{"key":"2025121212203564500_r3","doi-asserted-by":"crossref","first-page":"43","DOI":"10.3997\/1365-2397.2008012","article-title":"Gleaning meaningful information from seismic attributes","volume":"26","author":"Chopra","year":"2008","journal-title":"First 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