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Some displays use motion interpolation to run at a higher refresh rate, such as 100 Hz or 120 Hz to reduce motion blur. Motion interpolation generates artificial in-between frames that are inserted between the real frames. The advantage is reduced motion blur on sample-and-hold displays such as LCD.
Typically the only difference from a "120 Hz" TV in this case is the addition of a strobing backlight, which flickers on and off at 240 Hz, once after every 120 Hz frame. The intent of a strobing backlight is to increase the apparent response rate and thus reduce ghosting, which results in smoother motion overall. However, this technique has ...
Some sports viewers appreciate motion interpolation, [4] as it can reduce motion blur produced by camera pans and shaky cameras, and thus potentially yield better clarity of such images. It may also be used to increase the apparent framerate of video games for a more realistic feel, although the addition of display lag may be an undesired side ...
When computer graphics appear on a standard television set, the screen is either treated as if it were half the resolution of what it actually is (or even lower), or rendered at full resolution and then subjected to a low-pass filter in the vertical direction (e.g. a "motion blur" type with a 1-pixel distance, which blends each line 50% with ...
There are three ways to reduce the bandwidth of a video signal: reduce the scan rate, reduce the image size, and/or (with digital television) use heavier compression.When the scan rate is reduced, this is referred to as slow-scan TV or, in the most extreme cases when the scan rate is too slow to simulate motion, freeze frame television.
While smear frames had been used sparingly in the 1930s, the most notable, major use of smear frames was in the 1942 film The Dover Boys at Pimento University. [3] The nature of smear frames helped to reduce production costs of other motion blur techniques used in earlier cartoons.
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Temporal anti-aliasing (TAA) is a spatial anti-aliasing technique for computer-generated video that combines information from past frames and the current frame to remove jaggies in the current frame.