Focusing quality determination by multi-layer processing

A focus distance in a visual analysis system (e.g., a distance between a focus plane of a camera used when capturing n images and an actual focus plane for an image in focus) may be determined by subjecting one or more images captured by such a system to a multi-layer analysis. In such analysis, the input may be subjected to one or more convolution filters, and the final result of such convolution may be provided to a compact layer capable of providing a focus distance. The focus distance may then be used to (re) focus the camera or for other purposes (e.g., generate an alarm). 视觉分析系统中的聚焦距离(例如，当捕捉n个图像时使用的相机的聚焦平面与用于处于聚焦的图像的实际聚焦平面之间的距离)可以通过使由这样的系统捕捉的一个或更多个图像经受多层分析来确定。在这样的分析中，可以使输入经受一个或更多个卷积滤波器，并且可以将这样的卷积的最终结果提供给能够提供聚焦距离的致密层。该聚焦距离然后可以用于(重新)聚焦相机或用于其他目的(例如，生成警报)。