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Nvidia advertised DLSS as a key feature of the GeForce 20 series cards when they launched in September 2018. [4] At that time, the results were limited to a few video games, namely Battlefield V, [5] or Metro Exodus, because the algorithm had to be trained specifically on each game on which it was applied and the results were usually not as good as simple resolution upscaling.
An enlargement of a small section of a 1024x768 (VESA XGA) resolution image; the individual pixels are more visible in its scaled form than its normal resolution.A video scaler is a system that converts video signals from one display resolution to another; typically, scalers are used to convert a signal from a lower resolution (such as 480p standard definition) to a higher resolution (such as ...
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g., red indicates a 4:3 ratio).
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Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem.According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts.
Aliasing is manifested in the case of 2D images as moiré pattern and pixelated edges, colloquially known as "jaggies".Common signal processing and image processing knowledge suggests that to achieve perfect elimination of aliasing, proper spatial sampling at the Nyquist rate (or higher) after applying a 2D Anti-aliasing filter is required.
Blur kernel, downscaling operation and additive noise should be estimated for given input to achieve better results. Video super-resolution approaches tend to have more components than the image counterparts as they need to exploit the additional temporal dimension. Complex designs are not uncommon.
In CES (January) 2014, Sony announced the second consumer/low-end professional ("prosumer") camcorder Sony FDR-AX100 with a 1" 20.9MP sensor able to shoot 4K video in 3840x2160 pixels 30fps or 24fps in the XAVC-S format; in standard HD the camcorder can also deliver 60fps. When using the traditional format AVCHD, the camcorder supports 5.1 ...