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System and method for compact descriptor for visual search

A feature point, intimate technique used in character and pattern recognition, instrumentation, inductive record carriers, etc.

Active Publication Date: 2014-08-20
HUAWEI TECH CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Sometimes these scale-invariant feature points may be larger than the image itself

Method used

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  • System and method for compact descriptor for visual search
  • System and method for compact descriptor for visual search
  • System and method for compact descriptor for visual search

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Embodiment Construction

[0019] The making and using of the presently preferred embodiments are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention.

[0020] As described in more detail below, a feature point compression system, also known as a linear embedding system, will be disclosed. The system reduces the number of bits required to represent image feature points, which are representations of an image, while maintaining pairwise nearest neighbor (NN) topological relationships among the feature points.

[0021] FIG. 1( a ) illustrates an example embodiment of a visual search system 100 in which a mobile device or user equipment (UE) UE1 101 or UE2 103 sends a multimedia query 111 or 113 via a base station 105 ...

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Abstract

A method and an apparatus for processing an image generates, using a linear embedding operator, a second set of feature points from a first set of feature points of the image, so that a pair- wise nearest neighbor (NN) topological relationship among the first set of feature points is preserved in the second set of feature points. The linear embedding operator is determined by an affinity model comprising a first affinity parameter, a second affinity parameter, and an affinity matrix, wherein a sparsity of the affinity matrix is controlled by the first affinity parameter and the second affinity parameter.

Description

[0001] This application claims U.S. Nonprovisional Application No. 61 / 340,327, filed December 29, 2011, entitled "System and Method for Compact Descriptor for Visual Search" application claiming priority to an invention filed on July 11, 2011 entitled "System and Method for Laplacian SURF as a Compact Descriptor in Visual Search" as Compact Descriptor for Visual Search), U.S. Provisional Application No. 61 / 506,615, the contents of which are incorporated herein by reference in their entirety. technical field [0002] The present invention relates to image processing methods and systems, and in particular embodiments, to systems and methods for compact representation in visual descriptors of images for visual search applications. Background technique [0003] Modern mobile phones, handsets, tablet computers, mobile terminals, mobile devices or user equipment have evolved into efficient image and video processing devices equipped with high-resolution cameras, color displays, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06V10/764
CPCG06K9/6276G06K9/6251G06K7/1447G06K9/4671G06V10/462G06V10/764G06V10/7715G06F18/2137G06F18/24147
Inventor 辛欣朱理安杰洛斯·K·凯特萨杰罗斯
Owner HUAWEI TECH CO LTD
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