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Foveated rendering is a rendering technique which uses an eye tracker integrated with a virtual reality headset to reduce the rendering workload by greatly reducing the image quality in the peripheral vision (outside of the zone gazed by the fovea).
Basic versions of the technique are referred to as asynchronous reprojection by Google and Valve, [1] [4] while Oculus has two implementations, called asynchronous timewarp [2] and asynchronous spacewarp. Asynchronous timewarp uses the headset's rotational data to extrapolate a new rendered frame based on the last frame it received.
These are used for eye-tracking to enable games to utilize foveated rendering, a performance optimization technique where the render resolution of the game is reduced in areas where the player is not looking. [5] The eye-tracking can also be used as an input method, such as for selecting UI elements with a glance. [40] [41] [42]
Foveated imaging is a digital image processing technique in which the image resolution, or amount of detail, varies across the image according to one or more "fixation points". A fixation point indicates the highest resolution region of the image and corresponds to the center of the eye 's retina , the fovea .
The word "rendering" (in one of its senses) originally meant the task performed by an artist when depicting a real or imaginary thing (the finished artwork is also called a "rendering"). Today, to "render" commonly means to generate an image or video from a precise description (often created by an artist) using a computer program. [1] [2] [3] [4]
Sims has needed a dose of joy in the wake of the wildfires that recently devastated her Palisades community. “These last couple of months have been incredibly tough,” she says.
Physically based rendering (PBR) is a computer graphics approach that seeks to render images in a way that models the lights and surfaces with optics in the real world. It is often referred to as "Physically Based Lighting" or "Physically Based Shading". Many PBR pipelines aim to achieve photorealism.
Clearing things up. Fans were surprised to see Melissa Reeves quit during the finale of The Challenge: Total Madness after finishing the grueling first leg and scaling the side of a snowy mountain ...