What does ROI mean?
Source：24小时微信小妹快餐_本地附近站衔女_上门卖身电话100元2020-06-04
ROI: Region of interest coding technology, which supports the setting of up to 4 fixed regions of interest for each stream. In addition, the detected faces and license plates can be set as regions of interest for dynamic tracking. The camera is in a low bit rate environment Priority will be given to allocating coding resources to the region of interest to improve its image quality, and the improvement effect depends on the level. After enabling ROI, the image quality of other regions will be sacrificed to a certain extent. The ROI function will not work if the bit rate is sufficient.
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