It can be removed by third-party software, and the specific operation steps are as follows:

1. Click on the computer desktop to open the mosaic processing software video enhancer, as shown in the figure.

2. Under the option of importing video files, click Browse.

3. Locate the video file to be processed, and then click Open.

4. Under the option of "Input video file", click "Browse" to record the saved location when the video is output.

5. Click the Start icon on the right side of the software.

6. Wait for the video mosaic processing to be completed.