کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9699586 | 1461748 | 2005 | 17 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Matrix-based analysis of digital images:
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Digital video-based luminance mapping systems require the establishment of a precise relation between the considered spatial referential and the associated pixel coordinates on the image. Such a relation may vary with the measurement conditions, and an adjustment of the geometric calibration therefore becomes necessary. In this paper, a methodology for adapting the image calibration according to the referential transformations is proposed, based on the use of a set of matrices individually associated to each spatial coordinate. These matrices are modified with analytical conversions in order to define the actual measurement situation. The description of this approach is given through an application example on a recent bidirectional goniophotometric device, based on digital imaging, proving the consistency of the adopted methodology.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics and Lasers in Engineering - Volume 43, Issues 3â5, MarchâMay 2005, Pages 419-435
Journal: Optics and Lasers in Engineering - Volume 43, Issues 3â5, MarchâMay 2005, Pages 419-435
نویسندگان
M. Andersen,