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一、引言普通感光影像是一个二维密度矩阵,它用平面上的黑白或彩色密度变化,以一个缩小的比例来摹演三维空间中景物的亮度和色彩状态。使人们在观察时,在视觉和心理感觉上重现出原景物的形象。但这种摹演再现阶段尚存在着许多不足之处。认真研究各种不足,以改进摹演的相似性是影像科学研究的重要任务。
I. INTRODUCTION Normal photographic images are a two-dimensional density matrix that uses the black-and-white or color density variations on a flat surface to create a reduced ratio of the brightness and color of the scene in the three-dimensional space. So that people in the observation, in the visual and psychological sense to reproduce the original image of the scene. However, there are still many shortcomings in the reproduction stage. It is an important task of imaging science to study various deficiencies carefully to improve the similarity of the tracing.