盒子ocr检测

pp_onnx/cls_postprocess.py

@@ -0,0 +1,30 @@
+
+# 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