Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Scalable video coding method and apparatus using base-layer

A technology of video coding and base layer, applied in the direction of digital video signal modification, television, code conversion, etc., can solve problems such as performance degradation and wavelet transform performance degradation

Inactive Publication Date: 2006-01-18
SAMSUNG ELECTRONICS CO LTD
View PDF0 Cites 50 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At low resolutions, the performance of the wavelet transform is reduced compared to the discrete cosine transform (DCT)
Due to the inherent characteristics of scalable video coding that supports multiple bitrates, the best performance occurs at one bitrate, and due to this, the performance degrades at other bitrates

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Scalable video coding method and apparatus using base-layer
  • Scalable video coding method and apparatus using base-layer
  • Scalable video coding method and apparatus using base-layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Advantages and features of the present invention and a method of achieving the same can be more easily understood by referring to the detailed description of the exemplary embodiments to be described in detail below and the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims. The same reference numerals refer to the same parts throughout the specification.

[0042] In an exemplary embodiment of the present invention, the compression of the base layer is performed according to a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method of more efficiently conducting temporal filtering in a scalable video codec by use of a base-layer is provided. The method of efficiently compressing frames at higher layers by use of a base-layer in a multilayer-based video coding method includes (a) generating a base-layer frame from an input original video sequence, having the same temporal position as a first higher layer frame, (b) upsampling the base-layer frame to have the resolution of a higher layer frame, and (c) removing redundancy of the first higher layer frame on a block basis by referencing a second higher layer frame having a different temporal position from the first higher layer frame and the upsampled base-layer frame.

Description

technical field [0001] Devices and methods according to the present invention relate to video compression, and more particularly to more efficient temporal filtering in scalable video codecs by using base layers. Background technique [0002] The development of communication technologies such as the Internet has caused an increase in video communications in addition to text and voice communications. However, consumers have been dissatisfied with existing text-based communication schemes. In order to meet the needs of various consumers, multimedia data containing various information including text, images, music, etc. has been increasingly provided. Multimedia data usually has a large capacity, which requires a large-capacity storage medium. In addition, transmitting multimedia data requires a wide bandwidth. For example, a 24-bit true-color picture with a resolution of 640x480 requires 640x480x24 bits per frame, or 7.37 megabits. In this regard, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N19/50H03M7/30H04N1/41H04N19/12H04N19/132H04N19/136H04N19/139H04N19/147H04N19/154H04N19/19H04N19/196H04N19/33H04N19/46H04N19/503H04N19/60H04N19/61H04N19/615H04N19/625H04N19/635H04N19/70H04N19/80H04N19/91
CPCH04N19/00781H04N19/0043H04N19/00278H04N19/00721H04N19/00042H04N19/00121H04N19/00787H04N19/00351H04N19/00175H04N19/00321H04N19/00757H04N19/00751H04N19/00036H04N19/00636H04N19/00266H04N19/00818H04N19/176H04N19/147H04N19/172H04N19/13H04N19/63H04N19/61H04N19/11H04N19/109H04N19/187H04N19/19H04N19/31H04N19/547H04N19/587H04N19/59H04N19/577H04N19/615H04N19/30
Inventor 韩宇镇河昊振
Owner SAMSUNG ELECTRONICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com