| 摘要 |
In an image-sensing apparatus, shading data obtained when a sensor 1 is irradiated with uniform light is compressed by a COM 6 and is then stored in a memory 3. During image sensing, the data stored in the memory 3 is decompressed back into the shading data by an EXP 7. By a COR 4, this shading data is subtracted from the image data obtained from the sensor 1, and thereby the unevenness in the outputs from the individual pixels of the sensor 1 is corrected.
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