When analyze complex visual field or pattern,visual attention mechanism is used to detect saliency features in the image and drive the fixation point to scan the saliency features sequentially.

• 其基本想法是:在进行复杂的场景分析或目标识别时,首先通过注视控制机制,获得视景中的关键特征区域,并将注视点按照一定的顺序对这些关键特征区域进行串行扫描。