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基于提升小波和分形的蘋果樹多源圖像融合算法
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    摘要:

    針對可見光圖像與近紅外圖像特點(diǎn),提出了一種基于提升小波和分形的多源圖像融合方法,。首先將已配準(zhǔn)的多源圖像分別進(jìn)行提升小波分解,,在各層的低頻部分用分形維加權(quán)平均融合,,高頻部分用區(qū)域交叉信息熵和能量特性融合,;再通過提升小波重構(gòu)得到融合圖像,。利用蘋果樹可見光圖像和近紅外圖像進(jìn)行了實驗,,實驗結(jié)果表明,,融合后的圖像符合視覺特性,綜合性能優(yōu)于傳統(tǒng)小波變換融合方法,,有利于對圖像作進(jìn)一步分析,、理解和識別。

    Abstract:

    The same object visual and near infrared images were fused in some agriculture pick machine vision systems. A novel fast image fusion algorithm has been proposed based on lifting wavelet transform and fractal dimension theory. Firstly, the registered original images were decomposed by using lifting wavelet transform respectively. Then, the decomposition low frequency components were combined with fractal dimension. The decomposition high frequency components were merged by region cross-entropy and energy features. Finally, the composite image was obtained by using inverse lifting wavelet transform. Experimental results demonstrated that the fusion algorithm is more effective in the fused image quality than traditional method based on wavelet transform. The fused image is suitable to human vision characteristic and is advantageous for further analyzing, understanding and recognizing.

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李明喜,毛罕平,張艷誠.基于提升小波和分形的蘋果樹多源圖像融合算法[J].農(nóng)業(yè)機(jī)械學(xué)報,2007,38(10):91-93.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(10):91-93.

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