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white blacks
相关语句
  白炭黑
     White blacks and blacks used for high performance tire
     用于高性能轮胎的白炭黑/炭黑
短句来源
  相似匹配句对
     White
     清新白色
短句来源
     White
     颜色文化——白色
短句来源
     White blacks and blacks used for high performance tire
     用于高性能轮胎的白炭黑/炭黑
短句来源
     Study on “the Three Reds and Three Blacks” Phenomenon of White Wax Scales in the Production of Its Brood Insects
     白蜡虫种虫生产中“三红三黑”原因研究
短句来源
     Blacks Look Back
     黑人回看
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Experimental data suggest that for at 2°visual field during mesopicvision contrast sensitivity of human eye to chromatic sine gratings isdifference. Most were more sensitive to the green grating than the blue andred gratings. It was found that at the range of the low spatial frequencycontrast sensitivity to chromatic sine gratings is also attenuated. It was demonstrated that range of the spatial adaptation to coloured sinegratings and position of the lowest spatial frequency channels all stayed at the0.8c/d....

Experimental data suggest that for at 2°visual field during mesopicvision contrast sensitivity of human eye to chromatic sine gratings isdifference. Most were more sensitive to the green grating than the blue andred gratings. It was found that at the range of the low spatial frequencycontrast sensitivity to chromatic sine gratings is also attenuated. It was demonstrated that range of the spatial adaptation to coloured sinegratings and position of the lowest spatial frequency channels all stayed at the0.8c/d. Bandwidth of adaptation aftereffect to chromatic gratings is alsoassymetric. It was concluded that adaptation aftereffect of chromatic gratingsis mainly associated with the white-black channels, and, also with the colorchannels.

实验中采用电视显示法以测定人眼对彩色正弦光栅的对比敏感性,并通过彩色正弦光栅选择性适应后效的试验来阐明空间频率通道和色通道之间的相互关系。实验结果表明:1.人眼在2°视角间视状态下对不同彩色正弦光栅的对比敏感性有差别,绿色光栅的对比敏感性比蓝、红色高。对彩色正弦光栅的对比敏感性在低频处有衰减。2.人眼在2°视角时对彩色正弦光栅的空间适应范围和最低空间频率通道的位置均在0.8周/度处。彩色光栅(0.8周/度至3.5周/度)适应后效的带宽具有明显的非对称性。3.彩色光栅的适应后效主要决定于亮度的空间频率通道,但色通道的影响也是存在的。

This paper presents a new method for the pseudocoloring of an encoded phase-picture. It can be performed only with one white-black film and one step of encoding. process. The encoded film is transformed into a phaseencoded transparency, then it ig put on the input-plane of a white-light processor, and the density pseudocolor image is obtained on the output-plane by spatial filtering of the Fourier spectrum. The theoretical explanation of this method has been made and it is in conformity with...

This paper presents a new method for the pseudocoloring of an encoded phase-picture. It can be performed only with one white-black film and one step of encoding. process. The encoded film is transformed into a phaseencoded transparency, then it ig put on the input-plane of a white-light processor, and the density pseudocolor image is obtained on the output-plane by spatial filtering of the Fourier spectrum. The theoretical explanation of this method has been made and it is in conformity with the experiments. This method has been used in the processing of the films of astronomy, remote-sensing, biology, and medicine, and good results have been obtained.

本文提出一种黑白图像假彩色化的方法。它仅用一张黑白图片经光栅一次编码处理,将振幅型编码图像转换为相位型编码图像,就可在白光信息处理系统的输出面上获得等密度的假彩色图像。此方法经用于遥感图像、天文照片、电子显微镜照片等的处理均取得了较好的效果。

Possibility of producing image-plane holograms of astigmatic system is analyzed theoretically, and verified experimentally. When the hologram fabricated by such technique is reconstructed with white light point source, a distortionless, white-black holographic image with certain depth is obtained.

从理论上分析了象散光学系统产生象平面全息图的可能性,并在实验上得到证实。采用这种技术摄制的全息图,在白光点源照明下再现,可获得有一定深度的无畸变的黑白色全息象。

 
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