利用空間直線的中心折反射投影的特性對全維視覺系統(tǒng)的標(biāo)定方法進(jìn)行了研究。應(yīng)用光線追跡法提取空間直線折反射圖像上的點(diǎn)，并提出一種基于最小二乘理論的二次曲線擬合方法，將其應(yīng)用到直線折反射圖像的擬合中，最終求出系統(tǒng)成像參數(shù)，完成對全維視覺系統(tǒng)的標(biāo)定。對真實(shí)全維視覺系統(tǒng)的標(biāo)定實(shí)驗(yàn)驗(yàn)證了該方法的實(shí)用性。
關(guān)鍵詞：全維視覺系統(tǒng)；標(biāo)定；二次曲線；擬合；光線追跡法

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Abstract: This paper introduces the study on omni-directional vision system calibration method using central catadioptric projection property of space line. The catadioptric image point of space line was captured applied ray-tracing algorithm. A conic fitting algorithm based on least-square theory was raised which be used in catadioptric image fitting of line. System imaging parameter was determined by cholsky decomposition and omni-directional vision system was calibration. The calibration experiment on real omni-directional vision system verifies its effect.
Keywords: omni-directional vision system; calibration; conics; fit; ray-tracing algorithm