First, the first principle of improving image quality needs to rely deeply on the main shooting equipment in the early stage, as well as the lighting, atmosphere and costume props for auxiliary shooting ..... That is to say, the clarity and quality of any film and television works are affected by the professionalism of the early shooting process; The early stage is not enough. Although this practice can make up for some shortcomings in the later period, the cost is huge.
Second, if the cut video mentioned in the question is vague, it has actually been answered according to our previous logic.
Third, according to the technical framework we can master at present, it is not impossible to bring this effect, such as the projects we operated earlier, as shown in the figure:
You need to use AI artificial intelligence character model to realize it! At present, we have publicly released this technology application! But at present, it is limited to study and research, and no one may use this technology for illegal profit or crime.