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Method and device for identifying scene integrated by multi-feature vision codebook

A technology of multi-feature fusion and scene recognition, applied in the field of scene recognition of multi-feature visual codebook fusion, can solve problems such as uncorrectable errors, and achieve the effect of correcting errors and improving accuracy

Inactive Publication Date: 2013-10-23
ANKE SMART CITY TECH PRC
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Problems solved by technology

However, this global-based feature fusion method cannot correct the errors in the single-feature visual codebook representation of the image, and these errors will be passed to the global feature fusion

Method used

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  • Method and device for identifying scene integrated by multi-feature vision codebook
  • Method and device for identifying scene integrated by multi-feature vision codebook
  • Method and device for identifying scene integrated by multi-feature vision codebook

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Embodiment Construction

[0050] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0051] Such as figure 1 As shown, a scene recognition method for multi-feature visual codebook fusion provided by an embodiment of the present invention includes:

[0052] S102. Perform multi-feature fusion on the local area of ​​the scene image by the local classifier, and obtain a multi-feature visual codebook expression of the local area of ​​the scene image;

[0053] see figure 2 , this step may further include:

[0054] S1021. Obtain evenly overlapping local images at multiple scales from the scene image;

[0055] Specifically, see image 3 An ...

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Abstract

The invention provides a method and a device for identifying a scene integrated by a multi-feature vision codebook, which belong to the technologies of image processing and mode identifying. The method comprises the following steps of carrying out multi-feature integration on a local area of a scene image through a local classifier, and obtaining the expression of the multi-feature vision codebook of the local area of the scene image; and carrying out overall integration and classification on the expression of the multi-feature vision codebook according to overall integration parameters and classification parameters which are obtained through pre-training. Compared with a mode of generating the expression of a single-feature vision codebook or the expression of a multi-feature signal vision codebook by using a single-feature estimation probability and then carrying out overall feature integration, the method disclosed by the invention has the advantage that a more accurate automatic scene classification result can be obtained.

Description

technical field [0001] The invention relates to video image processing and pattern recognition technology, in particular to a scene recognition method and device for multi-feature visual codebook fusion. Background technique [0002] The image-based scene recognition technology can automatically recognize the image data collected by the camera or camera into different scene categories, such as: beach, forest, highway, street, office, bedroom, etc. This technology can be applied to the fields of intelligent cars and intelligent robot automatic navigation, and image-based scene recognition can provide necessary prior information for other computer vision tasks, such as: object recognition, object discovery, behavior classification, image retrieval, and video surveillance. [0003] In recent years, local feature-based methods have been widely used in image-based scene recognition. This type of method is insensitive to occlusion, illumination changes and slight geometric deform...

Claims

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Application Information

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IPC IPC(8): G06K9/62
Inventor 覃剑钊阎镜予
Owner ANKE SMART CITY TECH PRC
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