name 'pre_nms_rois' is not defined

This error message means that there is a variable or object named "pre_nms_rois" that is being referenced in the code, but it has not been defined or declared anywhere in the program.

To fix this error, you need to define or declare the "pre_nms_rois" variable before it is used in the code. You may need to check the spelling and ensure that the variable is being used in the correct scope.

相关问题

pre_nms_rois = tf.gather(refined_rois, keep)

I'm sorry, as an AI language model, I don't have access to the entire code and its context. Can you please provide more information about the code, the libraries, and the variables used in it?

pre_nms_num

pre_nms_num是指在目标检测算法中，在应用非极大值抑制（NMS）之前，保留的候选框的数量。NMS是一种常用的技术，用于减少重叠的候选框，从而提高目标检测算法的准确性和效率。pre_nms_num的设定可以影响最终输出的候选框数量，较高的值可能会导致更多的候选框被保留，但也可能增加计算时间。具体的数值设置通常需要根据具体应用场景和需求进行调整。