Fast estimation of binary data length using memory corruption

A technology of data length and memory unit, applied in the direction of data recording, information storage, record information storage, etc.

Active Publication Date: 2012-10-31
BLACKBERRY LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can lead to some difficulties as dealing with variable length image data can be very challenging in certain cases

Method used

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  • Fast estimation of binary data length using memory corruption
  • Fast estimation of binary data length using memory corruption
  • Fast estimation of binary data length using memory corruption

Examples

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Embodiment Construction

[0017] It should be appreciated that for simplicity and clarity of illustration, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. Furthermore, numerous specific details are set forth in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the embodiments described herein. Furthermore, the description should not be taken as limiting the scope of the embodiments described herein. It should also be noted that the term "coupled" indicates that two elements may be coupled to each other directly or through one or more intermediate elements. DETAILED DESCRIPTION There will first be a general descriptio...

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Abstract

Various embodiments are described herein for a method and related device for processing a first dataset comprising a second dataset and a third dataset in order to locate the third dataset. The second dataset has a variable data length and terminates with an ending marker and the third dataset starts after the ending marker. The method involves preprocessing a memory element by storing a plurality of locater markers, storing the first dataset in the memory element thereby overwriting a portion of the plurality of locater markers, locating which of the plurality of locater markers is closest to the end of the first dataset,and locating the third dataset by searching for the ending marker of the second dataset based on the position of the closest locater marker.

Description

[0001] cross reference [0002] This application claims priority to US Provisional Application No. 61 / 479,227, filed April 26, 2011, which is hereby incorporated by reference in its entirety. technical field [0003] Various embodiments described herein relate generally to methods and systems for processing variable length data. Background technique [0004] New applications continue to be added in electronic devices. For example, various electronic devices now include camera units for capturing images. The camera unit produces image data, which is generally encoded using the JPEG standard for producing JPEG image data. Also, uncompressed or original thumbnail image data corresponding to the JPEG image data is generated and appended to the JPEG data. This raw thumbnail image data is then processed and displayed on the display of the electronic device for viewing by the user. The camera can continuously acquire images, process them in this way and display them on the disp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26
CPCH04N7/3016G06F7/22H04N5/23293G06F7/00G11B27/3027H04N19/00872H04N19/68
Inventor 布雷特·斯图尔特·福斯特
Owner BLACKBERRY LTD
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