Bump version 4.9 (#222)

* update benchmark results on i7-12700K

* update benchmark results on edge2

* add benchmark results on Horizon Sunrise X3 PI

* add benchmark results on Jetson Nano B01 (CPU)

* add benchmark results on Raspberry Pi 4B

* add benchmark results on Jetson Nano B01 (GPU)

* add MAIX-III and StarFive benchmark results

* update benchmark results on Khadas VIM3

* update hardware setup info

* bump opencv version requirement to 4.9.0

* update benchmark results on RV1126

* regenerate table

* change * to x in input size text

* regenerate table

* rollback for '\\*'

* regenerate table

* add description for atlas 200i dk a2

* tune table

---------

Co-authored-by: Wanli <wanli.zhong.1999@gmail.com>

demo.py

@@ -5,6 +5,10 @@ import numpy as np
 
 from raft import Raft
 
+# Check OpenCV version
+assert cv.__version__ > "4.9.0", \
+       "Please install latest opencv-python to try this demo: python3 -m pip install --upgrade opencv-python"
+
 parser = argparse.ArgumentParser(description='RAFT (https://github.com/princeton-vl/RAFT)')
 parser.add_argument('--input1', '-i1', type=str,
                     help='Usage: Set input1 path to first image, omit if using camera or video.')