The process enhances the perceived refresh frequency of a displayed image on a projector screen. It achieves this by generating artificial frames between the actual frames received from the video source. For instance, a projector receiving a 60Hz signal might employ this process to simulate a 120Hz or higher refresh rate on the screen. This is done by analyzing the motion between successive frames and creating intermediary frames that are then inserted into the video stream.
This technique can reduce motion blur and judder, leading to a smoother and more visually appealing viewing experience, particularly noticeable in fast-paced action scenes or when projecting video games. Historically, these features were found in high-end televisions and have gradually become more common in projector technology to improve image quality and compete with the visual clarity of other display types. Early methods were computationally intensive, but advancements in processing power have made them more efficient and practical for real-time applications.
