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On 6/24/2021 5:49 AM, Fredrik Magnussen wrote:
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Dear FreeSurfer experts,
We have processed UKB data with FLAIR assisted pial segmentation using FS7.1.
The results differs quite a lot from using FLAIR assisted pial segmentation in FS6.0.
For details please see the reported issue on the freesurfer github page: *MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be* https://github.com/freesurfer/freesurfer/issues/849 https://secure-web.cisco.com/1BsLOtOMPefP19V4jaUIGxvB6cloD65XJYgob0S0aurJu0ta3IEnAZN0jVsHfx_1knsqnKsz9DZWc0kbv1dti4qdXg-4rk-XPtoba2GsM4NzCwfE50o-7rFAB2YR_w-BelP2wQ7IM6ZdiFaGgLX079786XnwpYGEbQ3Lt41Sl8vvQUi9WNoOLlKal7sX-lpBB86Q0-CBSUvOp6LwSazOyvMR1EZ4QyqzZfYUjoW4dQQaBSFotRqYMCVYKvlzpPbU0Yw0j59TJhtADKtB3Dhmgwg/https%3A%2F%2Fgithub.com%2Ffreesurfer%2Ffreesurfer%2Fissues%2F849. Might be related to another issue reported here (though this is T2w assisted pial segmentation): *MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be* https://github.com/freesurfer/freesurfer/issues/747 https://secure-web.cisco.com/1ZD-HjicZD5y6JRb7Rg-7byCuNf0LNbmLLvFu37e46JHBZBq5FE0IaYO4gtLYhLvWEc5cp8i4pFQ_QNYctg6hSBf-B6IhP79lIIE4Pz7jQ_sK2SjGEsjMHLECy6qKxX1BlJuRqaltVC4m_frv-vJIOKgifYMW6X9KiCdblrABCYReduMbg9nXFXWZObxchgY5Bfnc5EgwoT26qPP2Y2xFDCsJTusNL0V-XlLPmLbS68OCaAXURCxoziCQIlcCDqx-x_9KuuSvoI-D58gNRloSZg/https%3A%2F%2Fgithub.com%2Ffreesurfer%2Ffreesurfer%2Fissues%2F747.
The FS pial segmentation for UKB data is prone to include dura if only T1w data is used, so assisting with FLAIR is quite detrimental.
Best regards, Fredrik Magnussen
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer