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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS0260CSSC28SUD20 датащи(PDF) 34 Page - ON Semiconductor |
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AS0260CSSC28SUD20 датащи(HTML) 34 Page - ON Semiconductor |
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34 / 83 page  AS0260 DS Rev. G Pub. 5/15 EN 34 ©Semiconductor Components Industries, LLC, 2015. AS0260: 1/6-Inch 1080P High-Definition (HD) System-On-A-Chip (SOC) Digi- tal Image Sensor Vertical Perspective Correction The AS0260 has vertical perspective correction (VPC), this allows the user to correct (within limits) for an off-horizontal axis camera. VPC is performed using a mixture of scale and crop, the variables which control this are: The effect of using cam_scale_vertical_tc_percentage can be seen below. Table 10: Variables Controlling VPC Variable Name Function VAR(0x12,0x005E) or (R0xC85E) cam_scale_vertical_tc_mode When bit 0 is set will depend if the cropping is done through the center or top or bottom VAR(0x12,0x0060) or (R0xC860) cam_scale_vertical_tc_percentage The amount of tilt (perspective) correction to be applied. If negative, this value represents% of FOV reduction with the bottom line unaffected. If positive, this value represents% of FOV reduction with the top line unaffected VAR(0x12,0x0062) or (R0xC862) cam_scale_vertical_tc_stretch_factor Ratio of vertical stretching against the percentage applied. Vertical stretching = stretch factor x percentage/2 Original Image VPC Corrected Image |
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