The edge position, visible area and the mean of gray value of flame also be discussed by analyzing the flame images.
分析火焰数字图像，讨论了火焰锋面位置、火焰面积、平均灰度的计算方法。
Objects seem limned by an unseen flame, and exotic fragrances hover at the edge of awareness.
像是被看不见的火焰描绘，并有奇特的香气徘徊在可察觉的边缘。
For an original flame image in shuttle kiln, edge detection algorithms can be used to detect the edges.
对梭式窑内的一幅原始图像，可用边缘检测算法提取火焰图像的边缘。
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