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IMAGE READING DEVICE AND IMAGE FORMING APPARATUS WITH ORIGINAL SIZE DETECTION TAKING INTO ACCOUNT A SHADOW CAST BY AN ORIGINAL.
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS WITH ORIGINAL SIZE DETECTION TAKING INTO ACCOUNT A SHADOW CAST BY AN ORIGINAL.
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机译:具有原始大小检测功能的图像读取设备和图像形成装置,其目的在于解决原始对象的影子投射问题。
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摘要
An image reading device (100) generates, as image data of a reading region (RA), image data (D1) for output and image data (D2) for size detection, the latter having a lower resolution than the former, discriminates high density lines from the size-detection image data, sets as a target line one of the high density lines. And the image reading (100) calculates as a width for size detection a width from a reference line (L) to the target line, sets as the size of a document (D) a reference size that has a width closest to the width for size detection, performs image processing on the output image data (D1) based on the reference size set as the size of the document (D), and outputs the processed image data.
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