从oled的发光原理出发，介绍了OLED器件的结构特点和常用的TFT OLED像素电路的结构。

According to the principle of OLED, the structures of OLED device and a pixel circuit of TFT-OLED are introduced.

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针对实验数据像素灰度的分布特点，提出了一种对目标轮廓线进行有效和可靠的搜索和跟踪策略。

Aiming at the distribution characteristic of pixel gray level in tested data, this paper proposes a valid and reliable searching and tracking policy for the object contour.

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然后，根据所提取出的像素点的分布特点识别出烟雾，从而实现烟雾和火焰与其复杂背景的准确分割。

Then, distinguish smoke by the characteristics of distribution of pixel. In this way, smork and flames will be segmented from complex background area.

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