ROI (Region of Interest) encoding helps to assigns more encoding resource to the region of interest, thus to increase the quality of the ROI whereas the background information is less focused.
Before You Start
Please check the video coding type. ROI is supported when the video coding type is H.264 or
H.265.
Steps
1. Go to Configuration → Video/Audio → ROI.
2. Check Enable.
3. Select the channel No. according to your need.
4. Select Stream Type.
5. Select Region No. in Fixed Region to draw ROI region.
1) Click Drawing.
2) Click and drag the mouse on the view screen to draw the fixed region.
3) Click Stop Drawing.
Note
Select the fixed region that needs to be adjusted and drag the mouse to adjust its position.
6. Input the Region Name and ROI Level.
7. Click Save.
Note
The higher the ROI level is, the clearer the image of the detected region is.
8. Optional: Select other region No. and repeat the above steps if you need to draw multiple fixed regions.