image pattern recognition meaning in English

图像模式识别

In the field of image pattern recognition , it is of great importance to choose what kind of characters of the image as well as how to extract character from an image
在图像识别中，确定识别的判据是重要的，但是问题的另一方面，即如何抽取图像的特征也是相当重要的。
We have made a great progress in improving the storage density of the data , access tempo and the performance of volume holographic storage etc in recent years . there are many obstacles when it is used for image pattern recognition
近年来体全息存储器在提高数据存储密度、存取速度和存储器性能等方面取得了很大的进展,而利用体全息存储器对图像库进行模式识别时还存在着不少的问题。