add more results

Author: Charles-258

models/text_recognition_crnn/README.md

@@ -2,12 +2,24 @@
 
 An End-to-End Trainable Neural Network for Image-based Sequence Recognition and Its Application to Scene Text Recognition
 
-Results of accuracy evaluation with [tools/eval](../../tools/eval).
+Results of accuracy evaluation by ICDAR2003:
 
-| Models | Accuracy(%) |
+| Models | Accuracy |
 | ------ | -------------- |
-| CRNN_EN | 81.66 |
-| CRNN_CH | 71.28 |
+| CRNN_EN | 0.8166 |
+| CRNN_EN_FP16 | 0.8201 |
+| CRNN_CH | 0.7128 |
+| CRNN_CH_FP16 | 0.7863 |
+
+Results of accuracy evaluation IIIT5k-Words:
+
+| Models | Accuracy |
+| ------ | -------------- |
+| CRNN_EN | 0.7433 |
+| CRNN_EN_FP16 | 0.7493 |
+| CRNN_CH | 0.8090 | 
+| CRNN_CH_FP16 | 0.8093 | 
+\*: 'FP16' stands for 'model quantized into FP16'.
 
 Note:
 - Model source: