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Render-assisted compression for remote graphics

a remote graphics and compression technology, applied in the field of computer graphics, can solve the problems of limiting general applicability, little advantage, if any, relative to conventionally compressing and transmitting each frame, etc., and achieves the effects of reducing server workload, improving compression rate, and facilitating scalability

Inactive Publication Date: 2014-01-30
NVIDIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a technique to improve compression rates in a remote rendering system. Its advantages include being compatible with existing video compression techniques and being scalable for clients. Using this technique reduces server workloads and allows for greater server scalability.

Problems solved by technology

One significant disadvantage of this technique is that little advantage is gained, if any, relative to conventionally compressing and transmitting each frame.
However, these techniques conventionally require explicit application-level control of processing, limiting general applicability.

Method used

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  • Render-assisted compression for remote graphics
  • Render-assisted compression for remote graphics
  • Render-assisted compression for remote graphics

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Embodiment Construction

[0021]In the following description, numerous specific details are set forth to provide a more thorough understanding of the present invention. However, it will be apparent to one of skill in the art that the present invention may be practiced without one or more of these specific details.

System Overview

[0022]FIG. 1 is a block diagram illustrating a computer system 100 configured to implement one or more aspects of the present invention. Computer system 100 includes a central processing unit (CPU) 102 and a system memory 104 communicating via an interconnection path that may include a memory bridge 105. Memory bridge 105, which may be, e.g., a Northbridge chip, is connected via a bus or other communication path 106 (e.g., a HyperTransport link) to an I / O (input / output) bridge 107. I / O bridge 107, which may be, e.g., a Southbridge chip, receives user input from one or more user input devices 108 (e.g., keyboard, mouse) and forwards the input to CPU 102 via communication path 106 and m...

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Abstract

A technique for efficiently compressing rendered three-dimensional images in a remote rendering system adds a novel render-assisted prediction function to an existing video compression framework, such as the standard H.264 / 5 framework. Auxiliary rendering information is separated from rendering information used to describe a reference image by a server system. A client system may alter the auxiliary data and generate a new image based on the reference image and rendered scene information from the auxiliary data without creating additional network bandwidth or server workload.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims benefit of U.S. provisional patent application Ser. No. 61 / 667,430, filed Jul. 30, 2012, which is hereby incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention generally relates to computer graphics and, more specifically, to render-assisted compression for remote graphics.[0004]2. Description of the Related Art[0005]Remote rendering is a technique for rendering graphics images on a server and transmitting the images to a client device via an intervening data network. Multiple servers may operate from a controlled machine room environment to provide highly reliable service to many different client devices. Each server may be a relatively high-end computing platform with high-performance CPUs and GPUs, fast access to large arrays of on-line storage, and high-speed local networking to other servers that may be, for example, participants in a distributed ...

Claims

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Application Information

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IPC IPC(8): G06T5/00
CPCG06T5/00G06T1/20G06T9/004H04N19/46H04N19/61G06T11/00
Inventor PAJAK, DAWID STANISLAWLUEBKE, DAVIDSAULTERS, SCOTT
Owner NVIDIA CORP
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