Using technology of digit image processing and method of wavelet transform, in order to detect the edge of number of tire type, it is important information for tire detecting automation.
采用数字图像处理技术，应用小波变换方法，实现了轮胎图像中空心型号文字的提取，可作为轮胎分检自动化的一个重要控制信息。
That provides not only the theoretic bases for discussing the image space of wavelet transform, but also a new method to investigate the wavelet analysis theory further.
这不仅为小波变换像空间的讨论提供了理论基础，也为小波分析理论的进一步研究提供了新的途径。
This paper analyzed the characteristic of noise in hyperspectral data deeply, and puts forward a de-noising method based on stationary discrete wavelet transform (SDWT).
文章深入分析了高光谱遥感数据中噪声的特点，提出了一种基于平稳小波变换的改进小波滤噪算法。
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