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IMAGE READING APPARATUS, BLACK CORRECTION EXECUTING METHOD, AND A COMPUTER-READABLE MEDIUM STORING BLACK CORRECTION EXECUTING PROGRAM
IMAGE READING APPARATUS, BLACK CORRECTION EXECUTING METHOD, AND A COMPUTER-READABLE MEDIUM STORING BLACK CORRECTION EXECUTING PROGRAM
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机译:图像读取设备,黑校正执行方法以及计算机可读介质存储黑校正执行程序
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摘要
The present invention provides an image reading apparatus that includes: a photoelectric sensor including plural reading pixels aligned in one direction and output an electric signal depending on the amount of light from an image on the document; a read control section that reads a document image with the photoelectric sensor in accordance with a read instruction, and obtains image data; a black correction section that performs a black correction to adjust an output under dark condition of each reading pixel to a value within a predetermined range, the output under dark condition being an electric signal output when the amount of light input is zero; and a black correction execution determining section that determines whether to perform the black correction, when the read interval between each two document sheets of the multi-page document is equal to or shorter than a predetermined period of time.
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