add installation to README

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Yi Ge 2019-04-30 03:00:17 +02:00
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@ -54,6 +54,13 @@ Laughs Thanks.
The OCR process runs in parallel and is CPU intensive. It takes 3 minutes on my dual-core laptop to extract a 20 seconds video. You may want more cores for longer videos.
## Installation
1. Install [Tesseract](https://github.com/tesseract-ocr/tesseract/wiki) and make sure it is in your `$PATH`
2. `$ pip install videocr`
## API
```python