31 lines
		
	
	
		
			927 B
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			31 lines
		
	
	
		
			927 B
		
	
	
	
		
			Python
		
	
	
	
	
	
|  | 
 | ||
|  | # import paddle | ||
|  | 
 | ||
|  | 
 | ||
|  | class ClsPostProcess(object): | ||
|  |     """ Convert between text-label and text-index """ | ||
|  | 
 | ||
|  |     def __init__(self, label_list=None, key=None, **kwargs): | ||
|  |         super(ClsPostProcess, self).__init__() | ||
|  |         self.label_list = label_list | ||
|  |         self.key = key | ||
|  | 
 | ||
|  |     def __call__(self, preds, label=None, *args, **kwargs): | ||
|  |         if self.key is not None: | ||
|  |             preds = preds[self.key] | ||
|  | 
 | ||
|  |         label_list = self.label_list | ||
|  |         if label_list is None: | ||
|  |             label_list = {idx: idx for idx in range(preds.shape[-1])} | ||
|  | 
 | ||
|  |         # if isinstance(preds, paddle.Tensor): | ||
|  |         #     preds = preds.numpy() | ||
|  | 
 | ||
|  |         pred_idxs = preds.argmax(axis=1) | ||
|  |         decode_out = [(label_list[idx], preds[i, idx]) | ||
|  |                       for i, idx in enumerate(pred_idxs)] | ||
|  |         if label is None: | ||
|  |             return decode_out | ||
|  |         label = [(label_list[idx], 1.0) for idx in label] | ||
|  |         return decode_out, label |