| 摘要 |
An arrangement (100) for determining the position of the energy center (o') of the image (S') of a luminous object by barycentric calculation within a window (122) surrounding said image (S') and covering plxpc elements of a charge-transfer matrix (120). According to the invention, the arrangement has: a first mode of operation, during which on the one hand said matrix (120) is read by grouping the Nl lines m-by-m (m<pl) in the output register (121), whereas on the other hand, the output register (121) is emptied by grouping, in the read arrangement (123) of the matrix (120), l (l<pc) consecutive elements from the output register (121), so as to determine the brightest zone mxl (124) of the matrix defining the approximate position of the image (S') on the matrix, a second mode of operation, during which the matrix (120) is first read, by grouping the lines n-by-n (n>pl), thereafter, line by line in a zone (125) of k lines (k>pl) located around said brightest zone (124), and finally, by again grouping the lines n-by-n until all the Nl lines have been used up. Use: solar view finders.
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