高速運動可視多目標(biāo)精確檢測研究
Accurate Regiou Detection of High-Speed Multi-Target Visual System
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摘要: 討論了圖像目標(biāo)高速運動情況下鄰幀差分運動檢測法的嚴重缺陷。利用圖像能量、高階統(tǒng)計量理論,建立背景約束準(zhǔn)則,運用塊處理技術(shù)對序列場景進行快速背景重建,依靠重建背景進行運動區(qū)域檢測?；贒SP C54X的平臺測試表明:該文算法背景重建速度快,1秒左右即可完成無失真重建;動目標(biāo)檢測精度高、與目標(biāo)速度無關(guān)。具有重要的理論及應(yīng)用價值。Abstract: This paper discusses shortcomings of adjacent-frame difference. Based on the image energy and high order statistic (HOS) theory, background reconstruction constraint con-ditions are setup. Under the help of block- processing technology, background is reconstructed quickly. The DSP based platform tests indicate that the background can be recovered lossless in about one second, while moving regions estimations are not influenced by target speed.
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