Caffe入門：mining_type

mining_type參數詳解：

// Mining type during training.
// NONE : use all negatives.
// MAX_NEGATIVE : select negatives based on the score.
// HARD_EXAMPLE : select hard examples based on "Training Region-based Object Detectors with Online Hard Example Mining", Shrivastava et.al.

enum MiningType {
	NONE = 0;
	MAX_NEGATIVE = 1;
	HARD_EXAMPLE = 2;
}
optional MiningType mining_type = 20 [default = MAX_NEGATIVE];

mining_type: MAX_NEGATIVE

type: "MultiBoxLoss"一般選擇：mining_type: MAX_NEGATIVE