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

Lossless data compression

A lossless data compression, data technology, used in digital video signal modification, image communication, code conversion and other directions

Active Publication Date: 2019-06-28
TEXAS INSTR INC
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finally, another problem is to provide random access to compressed data at deterministic fixed time intervals

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
  • Lossless data compression
  • Lossless data compression
  • Lossless data compression

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The drawings are not necessarily drawn to scale. In the drawings, the same reference numbers indicate similar or equivalent elements. Some illustrated acts or events may occur in different orders and / or concurrently with other acts or events. Also, some of the illustrated acts or events are optional.

[0025] As used herein, the terms "coupled to" or "coupled with" (and the like) describe an indirect or direct electrical connection without further qualification. Thus, if a first device is "coupled" to a second device, that connection may be through a direct electrical connection where only parasitic effects exist in the path, or through an indirect electrical connection via intermediaries comprising other devices and connections. For indirect coupling, the intermediate term generally does not modify the signal's information, but may adjust its current level, voltage level, and / or power level.

[0026] figure 1 is a flowchart of the steps of an example method 100 of ...

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 data compression includes obtaining binary sensor data (210) having rows with multi-bit data samples. The rows are divided into data groups (G1, G2, G3, G4), each including two or more samples. A precedent value is selected for the rows, or respective precedent values are selected for each data group. A compressed row of compressed sensor data (220) is generated from each row by calculating differences between the data sample and the precedent value for its associated data groups. A Compression Information Packet (CIP) is generated for each row, including information for returningthe binary sensor data that includes a compressed predicate (225) indicating whether each data group is stored compressed, a data group size being a multi-bit value that stores a group size used for row compression, and a compressed word size that stores a dynamic range of the row compression. The compressed rows are stored as stored compressed data along with the CIPs.

Description

[0001] This generally relates to methods for losslessly compressing and storing digital data, which involves organizing pixel information within memory. Background technique [0002] Techniques for compressing data are commonly used in communications and computing. In communications, there is often a need to transmit compressed data strings that can be reconstructed into their original form upon receipt. Transmitting compressed data takes less time than transmitting the same data in uncompressed format. In computers, compressed data offers storage advantages over uncompressed data. Therefore, for a storage device with a fixed storage capacity, more compressed files can be stored therein. [0003] Data compression techniques can be divided into two main categories: lossy and lossless. Lossless data compression techniques are used when it is required that information cannot be lost during compression / decompression. Lossy data techniques are less accurate than lossless techni...

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
IPC IPC(8): H03M7/30H04N19/85
CPCH03M7/30H03M7/6076H03M7/6064H03M7/6005H03M7/6017H03M7/3059
Inventor 艾什瓦尔雅·杜贝赫图尔·桑维
Owner TEXAS INSTR INC
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