| 摘要 |
A signal detection circuit and a controller receive signals from an imaging device, determine pixels having signal levels that exceed a predetermined defect determination level as defective pixels, and store the addresses of the defective pixels corresponding to read methods. When the imaging device images an object, a defect compensation circuit reads the addresses of the defective pixels that have been stored corresponding to the read methods and performs a predetermined compensation process for the defective pixels. A controller stores the signal levels of the defective pixels and converts the signal levels corresponding to the read methods. As a result, when defective pixels are detected in one read method, the defective pixels can be compensated in a plurality of read methods.
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