Method for processing an image

An image and key point technology, applied in the field of computer vision, can solve the problem of building a tree consuming too many bits, performance degradation, etc., to achieve the effect of efficient analysis and representation, improved compression rate, and limited complexity

Active Publication Date: 2014-08-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Quadtrees provide a fairly efficient representation when the matrix is ​​dense, but if the matrix is ​​very s

Method used

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  • Method for processing an image
  • Method for processing an image
  • Method for processing an image

Examples

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Example Embodiment

[0101] figure 1 Shown is a schematic diagram of an image processing method 100 according to an embodiment. The image processing method 100 includes: providing (101) a keypoint set from an image; describing (103) position information of the keypoint set in the form of a binary matrix; and scanning (105) the binary matrix according to a predetermined order, thereby creating a position of the keypoint set A new representation of information. In an implementation form, the form of the new representation of the position information of the keypoint set is another binary matrix.

[0102] figure 2 Shown is a schematic diagram of a location information compression method 201 according to an implementation form. The image compression method 201 includes generating (200) a histogram and a histogram count, compressing (210) the histogram, compressing (220) the histogram count, and creating (240) an encoded bitstream from the compressed descriptor 230. Histogram based on Figure 16 ...

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Abstract

The invention relates to a method for processing an image, the method comprising: providing (101) a set of key points from the image; describing (103) location information of the set of key points in form of a binary matrix; and scanning (105) the binary matrix according to a predetermined order, thereby creating a new representation of the location information of the set of key points.

Description

technical field [0001] The present invention relates to image processing techniques in the field of computer vision, and in particular to the subject commonly known as visual search or augmented reality. In visual search and augmented reality applications, information extracted from an image or image sequence is sent to a server where it is compared with information extracted from a database of reference images or image sequences. A reference image or sequence of images represents a model of the object to be recognized. In this context, the invention relates to the compression of information extracted from an image or sequence of images sent to a server, in particular to the compression of the positions of points of interest extracted from an image or sequence of images. Background technique [0002] Visual Search (VS) is an automated system that identifies an object or objects depicted in an image or sequence of images by analyzing only the visible portion of the image or ...

Claims

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Application Information

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IPC IPC(8): H04N19/136H04N19/176H04N19/132H04N19/129G06K9/46
CPCH04N19/00278H04N19/129H04N19/176H04N19/00109H04N19/20G06K9/4604H04N19/00139G06F17/30247G06T9/00H04N19/467G06K9/4671H04N19/00127G06K9/4642H04N19/132H04N19/136G06F16/583G06V10/462
Inventor 基奥万尼·科达拉爱默德·鲍阿齐齐卢卡斯·康德拉德
Owner HUAWEI TECH CO LTD
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