摘要 |
Automated image quality assessment methods, which include locating a region of interest, region assessment, contrast assessment, blur assessment, and contaminant detection, on video data and high-resolution imagery. Where the blur assessment is performed without a reference image by dividing the region into non-overlapping block, measuring the wavenumber frequency of the blocks and calculating the ratio of the low frequency to high frequency areas. |
申请人 |
STI MEDICALS SYSTEMS, LLC;GU, JIA;LI, WENJING;HARGROVE, JOHN;WOLTERS, ROLF, HOLGER |
发明人 |
GU, JIA;LI, WENJING;HARGROVE, JOHN;WOLTERS, ROLF, HOLGER |