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目前的数码相机获取彩色大多是由棋盘格状 Bayer型滤色器与 CCD构成彩色成像器件获得。本文则提出了一种新型格式的滤色器 ,其不仅具有三原色空间周期采样的特点 ,同时又具有三色光栅编码的特点 ,即编码数字图像的频谱面上红、绿和蓝信号相互分离。本文的分析表明这种滤色器和 Bayer型相比具有解码步骤较为简单的优点。本文特殊设计的模拟实验验证了其用于数码摄影的实际效果。
The current digital camera to obtain color mostly by the checkerboard Bayer-type color filters and CCD color imaging device obtained. In this paper, a new format of color filter is proposed, which not only has the characteristics of three primary color space periodic sampling but also has the characteristic of three-color grating coding that the red, green and blue signals on the spectral plane of the encoded digital image are separated from each other. The analysis in this paper shows that this kind of color filter has the advantage of simpler decoding steps compared with Bayer type. In this paper, specially designed simulation experiments verify the actual effect of digital photography.