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二阶非线性微分方程的可积类型
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作者 汤光宋 何万生 《宜春师专学报》 1998年第2期62-65,共4页
借助文[1]的思想,运用双变换法,论证了三类二阶非线性微分方程的可积性,同时给出了这三类二阶非线性微分方程的通积分的表达式。
关键词 非线性 微分方程 双变换法 可积类型 通积分
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Application of Image Fusion Methods to Cell Imaging Processing
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作者 李勤 代彩虹 +4 位作者 俞信 王苏生 张同存 曹恩华 李景福 《Journal of Beijing Institute of Technology》 EI CAS 1998年第4期412-417,共6页
Aim To fuse the fluorescence image and transmission image of a cell into a single image containing more information than any of the individual image. Methods Image fusion technology was applied to biological cell imag... Aim To fuse the fluorescence image and transmission image of a cell into a single image containing more information than any of the individual image. Methods Image fusion technology was applied to biological cell imaging processing. It could match the images and improve the confidence and spatial resolution of the images. Using two algorithms, double thresholds algorithm and denoising algorithm based on wavelet transform,the fluorescence image and transmission image of a Cell were merged into a composite image. Results and Conclusion The position of fluorescence and the structure of cell can be displyed in the composite image. The signal-to-noise ratio of the exultant image is improved to a large extent. The algorithms are not only useful to investigate the fluorescence and transmission images, but also suitable to observing two or more fluoascent label proes in a single cell. 展开更多
关键词 image fusion wavelet transform double thresholds algorithm denoising algorithms living cell image
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