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基于局部紋理差異性算子的高原鼠兔目標(biāo)跟蹤
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國家自然科學(xué)基金資助項(xiàng)目(61362034,、81360229、61265003)和甘肅省自然科學(xué)基金資助項(xiàng)目(1310RJY020、1212RJYA033、2014GS02715)


Object Tracking of Ochotona curzoniae Based on Local Texture Difference Operator
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    摘要:

    針對自然生境環(huán)境下高原鼠兔目標(biāo)跟蹤中目標(biāo)與背景顏色相近的問題,提出了一種基于局部紋理差異性算子的高原鼠兔目標(biāo)跟蹤方法,。構(gòu)造了一種新的視覺描述子,稱作局部紋理差異性算子LTDC,用來體現(xiàn)目標(biāo)和背景之間的細(xì)微差異性,。把該LTDC算子與顏色信息相結(jié)合來表征目標(biāo)模型,并把該目標(biāo)模型嵌入Meanshift跟蹤框架中對高原鼠兔進(jìn)行跟蹤,。實(shí)驗(yàn)結(jié)果表明,,所提出的目標(biāo)表征方法與FLBP目標(biāo)表征方法相比,具有較強(qiáng)的目標(biāo)與背景區(qū)別能力,,在目標(biāo)和背景顏色相近的場景中,,能夠較為準(zhǔn)確地實(shí)現(xiàn)高原鼠兔目標(biāo)的定位,。且所提出的目標(biāo)表征方法的Meanshift平均迭代次數(shù)是FLBP目標(biāo)表征方法的79.04%,減少了20.96%,。跟蹤平均總時(shí)間是FLBP目標(biāo)表征方法的82.35%,,平均降低了17.65%。同時(shí)所提出方法的平均跟蹤速度是FLBP目標(biāo)表征方法的1.22倍,。

    Abstract:

    In order to accurately track Ochotona curzoniae in natural habitat environment, an object tracking method based on Meanshift algorithm was proposed. Considering the object tracking method of kernel Meanshift algorithm based on RGB color histogram usually has the deformation of inaccurate tracking or lose of target in the scenario that the color is similar between the background and the object. In view of the problem that the color between the Ochotona curzoniae and the background is similar in the object tracking process in natural habitat environment, a visual descriptor named as the local texture difference operator (LTDC) was proposed to reflect the subtle differences between the Ochotona curzoniae and background. The LTDC operator was combined with color information to characterize the object model and the object model was embedded into the Meanshift tracking framework for the object tracking of Ochotona curzoniae. The experimental results show that the proposed method for characterizing the object has a strong difference ability of target and background. The object can be accurately positioned in the color similar scenario of the object and the background. Compared with the FLBP algorithm, the average iteration number of proposed method is 79.04% of the average iteration number of the FLBP algorithm, the average tracking total time of proposed method is 8235% of the average tracking total time of the FLBP algorithm, the average tracking speed of proposed method is 1.22 times of the average tracking speed of the FLBP algorithm.

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陳海燕,張愛華,胡世亞.基于局部紋理差異性算子的高原鼠兔目標(biāo)跟蹤[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2015,46(5):20-25. Chen Haiyan, Zhang Aihua, Hu Shiya. Object Tracking of Ochotona curzoniae Based on Local Texture Difference Operator[J]. Transactions of the Chinese Society for Agricultural Machinery,2015,46(5):20-25.

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  • 收稿日期:2014-12-24
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  • 在線發(fā)布日期: 2015-05-10
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