{"action":"closed","issue":{"url":"https://api.github.com/repos/rordenlab/dcm2niix/issues/141","repository_url":"https://api.github.com/repos/rordenlab/dcm2niix","labels_url":"https://api.github.com/repos/rordenlab/dcm2niix/issues/141/labels{/name}","comments_url":"https://api.github.com/repos/rordenlab/dcm2niix/issues/141/comments","events_url":"https://api.github.com/repos/rordenlab/dcm2niix/issues/141/events","html_url":"https://github.com/rordenlab/dcm2niix/issues/141","id":270824419,"number":141,"title":"BIDS json file doesn't contain MultiBandAccelerationFactor for DWI sequences","user":{"login":"mvdoc","id":6150554,"avatar_url":"https://avatars1.githubusercontent.com/u/6150554?v=4","gravatar_id":"","url":"https://api.github.com/users/mvdoc","html_url":"https://github.com/mvdoc","followers_url":"https://api.github.com/users/mvdoc/followers","following_url":"https://api.github.com/users/mvdoc/following{/other_user}","gists_url":"https://api.github.com/users/mvdoc/gists{/gist_id}","starred_url":"https://api.github.com/users/mvdoc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mvdoc/subscriptions","organizations_url":"https://api.github.com/users/mvdoc/orgs","repos_url":"https://api.github.com/users/mvdoc/repos","events_url":"https://api.github.com/users/mvdoc/events{/privacy}","received_events_url":"https://api.github.com/users/mvdoc/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2017-11-02T22:12:19Z","updated_at":"2017-11-03T13:57:49Z","closed_at":"2017-11-03T13:57:49Z","author_association":"NONE","body":"Hi,\r\nusing heudiconv I realized that for DWI sequences `dcm2niix` doesn't store the field `MultiBandAccelerationFactor`. See nipy/heudiconv#110 for more info.\r\n\r\nThe information seem to be present in the dicom headers though (assuming I'm looking at the right field):\r\n\r\nGRAPPA 2 (in this case the json file contains ` \"ParallelReductionFactorInPlane\": 2` correctly)\r\n```\r\n[bids@rolando test_dwi_dcm2niix] > grep 0051,1011 dump_dwi_grappa.txt\r\n(0051,1011) LO [p2]                                     #   2, 1 Unknown Tag & Data\r\n```\r\n\r\nSMS 4\r\n```\r\n[bids@rolando test_dwi_dcm2niix] > grep 0051,1011 dump_dwi_sms.txt\r\n(0051,1011) LO [s4]                                     #   2, 1 Unknown Tag & Data\r\n```\r\n\r\nThis is the version we're using\r\n\r\n```\r\nbids@rolando:~/test_dwi_dcm2niix$ dcm2niix\r\nCompression will be faster with 'pigz' installed\r\nChris Rorden's dcm2niiX version v1.0.20170923 (OpenJPEG build) GCC6.3.0 (64-bit Linux)\r\n```"}}
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