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Scalable video coding decoding device and method

A video encoding and entropy decoding technology, applied in the field of scalable video encoding decoding devices, can solve the problems of increasing the bus bandwidth throughput, increasing the complexity of the decoding system, and increasing the complexity of the implementation of computing units, so as to save bus bandwidth, cost-enhancing effect

Active Publication Date: 2012-11-28
芯原微电子(北京)有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Compared with traditional video coding, the layered structure of scalable video coding is bound to increase the complexity of the decoding system design, which not only increases the complexity of the implementation of the computing unit, but also increases the throughput of the bus bandwidth

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  • Scalable video coding decoding device and method

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Embodiment Construction

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

[0022] The object of the present invention is to propose a device and method for improving the decoding speed of the quality scalable layer in scalable video coding. This device decodes multiple quality scalable layers at one time by modifying and duplicating part of the standard operation unit, improves the decoding speed at a limited cost, and saves the bus bandwidth. figure 1 A structural schematic diagram of a decoding device for scalable video coding of the present invention is given. Such as figure 1 As shown, the device of the present invention includes a computing unit, a bus and a storage unit.

[0023] To achieve the above object, the device of the present invention includes the following:

[00...

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Abstract

The invention provides a scalable video coding decoding device and method. The device comprises an arithmetic unit in which all operations related to scalable video decoding are performed, a memory unit used for storing input data, output data and intermediate data and a bus for data transmission between the arithmetic unit and the memory unit. According to the device and the method which are provided by the invention, part of standard arithmetic units are modified and copied, a plurality of quality scalable layers are decoded in one attempt, the decoding speed is increased at limited cost, and the bandwidth of the bus is saved.

Description

technical field [0001] The present invention relates to a decoding device and method for scalable video coding, in particular to a device and method capable of improving the decoding speed of quality scalable layers in scalable video coding. Background technique [0002] Scalable Video Codec (Scalable Video Codec) is based on traditional video coding standards (H.264 / MPEG4 / MPEG2), highly utilizes various tools and concepts of traditional video coders, increases time scalability, space Scalability and quality scalability improve coding flexibility and make video transmission more adaptable to heterogeneous network bandwidth and terminal decoding, display and storage devices. [0003] In order to achieve coding scalability, scalable video coding divides each frame of image data into multiple layers in the spatial dimension and quality dimension for coding, and at the same time implements temporal scalability in layers in the temporal dimension. [0004] In quality scalable co...

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Application Information

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IPC IPC(8): H04N7/26H04N7/50H04N19/129H04N19/13H04N19/176H04N19/30H04N19/436H04N19/61
Inventor 张琪付桂鹏
Owner 芯原微电子(北京)有限公司