数据压缩旨在利用图像的冗余度来减少表示图像所需的比特数，从而节省图像存贮容量，提高传输效率。
Data compression improves the efficiency of data transmission by utilizing the correlation of images and reducing the redundancy of bits representing them to save the memory capacity.
新方法利用恢复投影数据的重建图像冗余信息优化非局部均值权重。
The new method exploits the redundancy of information in the image reconstructed from the restored projection data by optimizing non-local weight.
它是去除视频数据中时间冗余度的有效方法，它的性能好坏直接影响编码的效率和图像的质量。
It is an effective method to remove the video data time redundancy, which directly affects the performance of coding efficiency and image quality.
利用RS码的编码冗余和图像特定域的数据特性实现了基于RS码的图像半脆弱水印。
The proposed semi-fragile watermarking scheme is realized using the RS error-correcting codes and wavelet decomposition.
图像分形后，对相邻帧间对应的数据求差并进行压缩编码，减少时间与空间冗余度。
After image was decomposed, the corresponding data were compressed and coded. It could reduce the time and space redundancy.
但仅用传统分类算法对高光谱图像分类，会导致分类精度降低、空间数据冗余和资源的极大浪费。
However, classifying hyperspectral images only with traditional classification algorithms will result in low classification precision, data redundancy and great waste of resource.
但仅用传统分类算法对高光谱图像分类，会导致分类精度降低、空间数据冗余和资源的极大浪费。
However, classifying hyperspectral images only with traditional classification algorithms will result in low classification precision, data redundancy and great waste of resource.
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