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Photosensor assembly for an image scanner with improved spectral accuracy and increased bit depth
Photosensor assembly for an image scanner with improved spectral accuracy and increased bit depth
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机译:用于图像扫描仪的光电传感器组件,具有更高的光谱精度和更大的位深度
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摘要
Photosensor assemblies have, for each color, multiple line-arrays of photosensors. For each color, the spectral bandwidth received by each line-array is different. The additional spectral bandwidths are used to improve the spectral measurement accuracy, and to increase bit-depth. In one example, one row of a staggered array receives light having a first spectral bandwidth, and a second row of the staggered array receives light having a different spectral response. In a second example, photosensors with different sizes receive light having different spectral bandwidths.
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