slantingsun

### What is the feature? {"icdar/precision": 0.8600736454497633, "icdar/recall": 0.8406169665809768, "icdar/hmean": 0.8502340093603744, "data_time": 0.0035944942568169264, "time": 0.40383492923173747, "step": 260} ### Any other context? _No response_

[Bug] error: (-215:Assertion failed) total >= 0 && (depth == CV_32F || depth == CV_32S) in function 'cv::convexHull'

1

### Prerequisite - [X] I have searched [Issues](https://github.com/open-mmlab/mmocr/issues) and [Discussions](https://github.com/open-mmlab/mmocr/discussions) but cannot get the expected help. - [X] The bug has not been fixed in the [latest version (0.x)](https://github.com/open-mmlab/mmocr) or...

### Describe the feature Can I view val loss while the code is running ### Will you implement it? - [ ] I would like to implement this feature and...