CPC H04N 25/00 (2023.01) [H04N 17/002 (2013.01)] | 18 Claims |
1. A method of testing an image sensor, the method comprising:
capturing at least one test image using the image sensor that is a device under test (DUT);
generating a composite image based on the at least one test image;
generating a plurality of frequency data by performing frequency signal processing on the composite image; and
determining whether the image sensor is defective by analyzing the plurality of frequency data, wherein when a first conversion value among a plurality of conversion values included in first frequency data is greater than a first threshold value, determining that the image sensor has a defect, the first frequency data being included in the plurality of frequency data.
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