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US 8,797,443 B2Granted
Method for checking camera
AssigneeWistron Corporation
InventorWen-Lung Huang
Life of this patent
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Abstract
A method for checking a camera includes the steps of capturing an image of an object using a photo-sensitive element, converting the color level value of each of a plurality of pixels of the image into image gray level values, and when one of the image gray level values is higher than a predetermined gray level threshold value, displaying an alarm message on the screen of the camera. A camera is also disclosed herein.
Claims7
A method for checking a camera, comprising:
- capturing an image of an object using a photo-sensitive element;
- converting a color level value of each of a plurality of pixels of the image into an image gray level value;
- setting an aperture value;
- adjusting the predetermined gray level threshold value according to the aperture value;
- and
- displaying an alarm message on a screen of the camera when one of the image gray level values is higher than a predetermined gray level threshold value.
3 more elements
A method for checking a camera, comprising:
- capturing an image of an object using a photo-sensitive element;
- acquiring a green level value of each of a plurality of pixels of the image;
- setting an aperture value;
- adjusting the predetermined green level threshold value according to the aperture value;
- and
- displaying an alarm message on a screen of the camera when one of the green level values is higher than a predetermined green level threshold value.
3 more elements
Dependencies are inferred from the claim text.