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灰度级压缩
相关语句
  gray-scale compression
     Based on the requirement that gray-scale compressed Synthetic Aperture Radar(SAR) image should preserve the distribution of original data,this paper evaluates the performance of gray-scale compression algorithms with a two-step method.
     根据灰度压缩前后图像直方图间的形态差异,提出一种衡量各种合成孔径雷达(SAR)图像灰度级压缩算法性能的两步检验方法。
短句来源
  grayscale compression
     A Method of Real-time Image Grayscale Compression Based Double Threshold
     一种基于双阈值的实时图像灰度级压缩方法
短句来源
     Based on the theory of image threshold segmentation and gray level transformation, to the real-time gray level image processing system, the acquired image is based on 14 bit A/D, but monitor can only display images with gray levels of 28. A simple method is provided of grayscale compression.
     基于图像的阈值分割和灰度变换原理,针对灰度图像处理系统中图像采集采用14bit的A/D而显示时需将灰度级压缩为28的问题,介绍了一种简单实用的灰度级压缩方法。
短句来源
  “灰度级压缩”译为未确定词的双语例句
     In this paper, the 2-dimension time delay integral algorithm is used for improving the SNR of thermal images. The motion compensation algorithm based on target is given, the image sharpening algorithm based on blur theory is proposed, and these techniques can improve the image quality. De-redundancy grey level compression algorithm is used to realize image grey level compression.
     本文运用2D-TDI算法提高图像信噪比,提出基于运动目标的运动补偿算法和基于模糊理论的图像锐化算法来改善图像质量,利用去除冗余的图像灰度级压缩算法实现图像灰度级压缩
短句来源
     Through quantized the image to several representing class, the image pixel values are replaced by appropriate color class labels, forming a class-map of the image.
     通过对灰度图像的灰度级压缩,将图像中每个像素的灰度值用一个合适的类标志来代替,构成一个“类-图像”。
短句来源
  相似匹配句对
     grade.
    
短句来源
     256 Level Gray Scale OLED Driving Circuit
     256灰度OLED驱动电路
短句来源
     Adaptive Gray-Level Digital Watermarking Technique
     自适应灰度数字水印技术
短句来源
     Compression code by segment to gray scale of image
     对图像灰度分段的压缩编码
短句来源
     On the Grade "ji"
     说“
短句来源
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A new digital halftoning technique that displays continuous tone images on a bi-level graphic output device using subdivision is introduced. The technique makes use of psychophysical characteristics of the human visual system. The intensity error between the original image and the halftoned image for larger regions is treated prior to that for smaller regions in the subdivision process. The technique can be used in reducing the gray scale levels of an image. The algorithm is compared with the ordered dither...

A new digital halftoning technique that displays continuous tone images on a bi-level graphic output device using subdivision is introduced. The technique makes use of psychophysical characteristics of the human visual system. The intensity error between the original image and the halftoned image for larger regions is treated prior to that for smaller regions in the subdivision process. The technique can be used in reducing the gray scale levels of an image. The algorithm is compared with the ordered dither algorithm and the error diffusion algorithm.

提出一种用二值图形设备显示多级灰度图象的方法.这种基于细分的数字半色调技术利用了人类视觉系统的生理特点,优先考虑在较大区域内原始图象与经半色调处理后图象间的误差.该技术可用作图象灰度级的压缩.此外还对这一算法与有序颤抖法及误差扩散法进行了比较.

According to the special principle of SAR(synthetic aperture radar) image display, and aiming at the problem in traditional gray compression methods that the outline of the original image's histogram cannot be well kept, the paper provides a new method of gray compression based on the theory of RMA(radiometric multiresolution analysis). The result of test on real SAR image shows that the new method is far superior in keeping the outline of the image’s histogram than that of traditional methods.

基于幅度统计多分辨率分析的原理 ,针对SAR图像特殊的显示要求 ,提出了一种新的灰度压缩方法 ,解决了常规灰度级压缩方法不能很好保持原始图像数据直方图分布的问题 实验结果表明该方法能有效保证灰度压缩前后图像数据直方图分布形状的一致性 ,较好地保持原始图像的视觉特征

A 2D-3D medical image registration method based on mutual information is described. This method is applied to the rigidity registration of X-ray fluoroscopy(simulated by DRR) and CT. After preprocessing of the 3-D data,by changing the incidence angle of ray tracking, the 2D-3D registration can be done by matching the reconstructed DRR images, and this attempt receivs good result.

介绍一种基于互信息的 2D - 3D医学图像配准方法 ,将此方法用于X线透射图 (由DRR模拟 )与CT体数据的配准 ,对具体实现方法进行了探讨 ,用数据采样和灰度级压缩的方法对体数据进行预处理 ,通过改变平行光入射角度 ,计算不同方向的DRR图像 ,用互信息方法配准DRR图像 ,得到了较好的 2D - 3D图像配准效果

 
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