NSCT域內(nèi)結(jié)合邊緣特征和自適應(yīng)PCNN的紅外與可見(jiàn)光圖像融合
發(fā)布時(shí)間:2018-08-14 15:37
【摘要】:針對(duì)傳統(tǒng)的基于多尺度變換的紅外與可見(jiàn)光圖像融合,對(duì)比度不高,邊緣等細(xì)節(jié)信息保留不充分等問(wèn)題,結(jié)合NSCT變換的多分辨率、多方向特性和PCNN全局耦合、脈沖同步激發(fā)等優(yōu)點(diǎn),提出一種基于NSCT變換結(jié)合邊緣特征和自適應(yīng)PCNN紅外與可見(jiàn)光圖像融合算法.對(duì)于低頻子帶,采用一種基于邊緣的融合方法;對(duì)于高頻方向子帶,采用方向信息自適應(yīng)調(diào)節(jié)PCNN的鏈接強(qiáng)度,使用改進(jìn)的空間頻率特征作為PCNN的外部激勵(lì),根據(jù)脈沖點(diǎn)火幅度融合子帶系數(shù).實(shí)驗(yàn)結(jié)果驗(yàn)證了該算法的有效性.
[Abstract]:Aiming at the problems of traditional infrared and visible image fusion based on multi-scale transform, the contrast is not high, the detail information such as edge is not enough, and so on, the multi-resolution, multi-direction characteristic and PCNN global coupling of NSCT transform are combined. Based on NSCT transform and edge feature, an adaptive PCNN infrared and visible image fusion algorithm is proposed. For low-frequency subbands, an edge-based fusion method is used, and for high-frequency directional subbands, directional information is used to adaptively adjust the link strength of PCNN, and an improved spatial frequency feature is used as the external excitation of PCNN. According to the pulse ignition amplitude fusion subband coefficient. Experimental results show that the algorithm is effective.
【作者單位】: 武漢大學(xué)測(cè)繪學(xué)院;武漢大學(xué)測(cè)繪遙感信息工程國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金(No.41271456)
【分類號(hào)】:TP391.41
[Abstract]:Aiming at the problems of traditional infrared and visible image fusion based on multi-scale transform, the contrast is not high, the detail information such as edge is not enough, and so on, the multi-resolution, multi-direction characteristic and PCNN global coupling of NSCT transform are combined. Based on NSCT transform and edge feature, an adaptive PCNN infrared and visible image fusion algorithm is proposed. For low-frequency subbands, an edge-based fusion method is used, and for high-frequency directional subbands, directional information is used to adaptively adjust the link strength of PCNN, and an improved spatial frequency feature is used as the external excitation of PCNN. According to the pulse ignition amplitude fusion subband coefficient. Experimental results show that the algorithm is effective.
【作者單位】: 武漢大學(xué)測(cè)繪學(xué)院;武漢大學(xué)測(cè)繪遙感信息工程國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金(No.41271456)
【分類號(hào)】:TP391.41
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