实验证明，基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时，表现出了优良的率失真性能。 并且算法复杂度适中，具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
方法：采用傅立叶变换红外光谱法获得红外原谱，再结合二维相关技术，分析何首乌药材红外特征。
Methods: Compared the characters of FTIR spectrums, two-dimensional spectrums of Radix Polygoni Multiflori from different sources.
本文将二维离散余弦变换(DCT)应用于多光谱图像与全色光学图像融合问题的研究中。
This paper applies 2-d DCT to the remote sensing image fusion between panchromatic and multi-spectral images.
采用小波变换消噪技术首次应用到中药二维相关红外光谱的数据处理中。
Wavelet analysis and wavelet denoising was applied to analyse the data of two dimensional correlation ir spectroscopy of traditional Chinese medicine for the first time in this article.
采用小波变换消噪技术首次应用到中药二维相关红外光谱的数据处理中。
Wavelet analysis and wavelet denoising was applied to analyse the data of two dimensional correlation ir spectroscopy of traditional Chinese medicine for the first time in this article.
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