[Marcellin Arash]

Use timeline with same resolution and fps to minimize the artifacts. Primary wheel is good to keep the shadows, midtones and highlights in balance then use waveform to balance the details in the shadows. Eyedropper will be good to auto-balance the neutral look while adjusting the temperature and tint. Use temporal and spatial noise noise reduction for removing flickers and to smooth the grainy areas. DaVinci’s own deinterlace filter will be good enough to try and to compare with your results from the ai enhanced video. Use curve panel for highlights/shadows and saturation to make more colours vibrant but avoiding over-saturation at the same time.