Image analysis – Histogram processing – For setting a threshold
Patent
1984-12-20
1987-04-28
Birmill, Howard A.
Image analysis
Histogram processing
For setting a threshold
358107, 356380, 382 1, 382 28, G06K 900, A24C 100, H04N 718
Patent
active
046619852
ABSTRACT:
A process for measuring the lamina size distribution comprises the steps of uniformly spreading sampled laminae over a conveyor and transporting the same; image-forming the conveyed lamina at a detection region having a given area by using a television camera each time when the lamina moves by a length corresponding to that of the detection region; storing in a memory binary video data which are converted from the video signal obtained by the image-forming; processing the stored video data to encircle continuous ones of the binary data which correspond to the lamina with a rectangular frame; counting the number of continuous ones of the binary data; converting the continuous ones of the binary data in the frame into the other ones binary data after counting; successively carrying out the same processing of different continuous ones of binary data to calculate the size of respective laminae; and measuring the distribution of the lamina size upon the basis of the calculation results.
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Birmill Howard A.
Japan Tobacco Inc.
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