Vehicle logo positioning method

A vehicle logo positioning and vehicle logo technology, applied in image data processing, computational models, biological models, etc., can solve problems such as poor positioning rate and robustness

Inactive Publication Date: 2019-03-29
BEIJING JIAOTONG UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

However, most of the existing vehicle logo positioning methods use traditional methods, and the position

Method used

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  • Vehicle logo positioning method
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Embodiment Construction

[0058] Hereinafter, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. According to these detailed descriptions, those skilled in the art can clearly understand the present application and can implement the present application. Without departing from the principle of the present application, the features in different embodiments can be combined to obtain new implementations, or some features in certain embodiments can be replaced to obtain other preferred implementations.

[0059] The saliency-based Gaussian pyramid model proposed by itti-koch, which is based on non-uniform sampling, uses the calculation method of the difference between the center and the periphery to obtain the saliency measure, but the calculation method only considers the local characteristics of the saliency area, and does not consider the entire image. Global information about the image.

[0060] The target-based computing model propose...

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Abstract

The invention belongs to the technical field of image processing, in particular to a vehicle logo positioning method. Most of the existing vehicle logo positioning methods use traditional methods, thepositioning rate and robustness are poor. The invention provides a vehicle logo positioning method, which comprises the following steps: step 1): acquiring a vehicle front face image; 2) extracting primary features of that image; 3) calculating and fusing that final saliency map by adopting a multi-scale spectrum residual method, dividing the saliency map into a plurality of sub-salient regions,and forming a plurality of attention focuses; Step 4), calculating the complexity of each area; step 5), adopting the improved ant colony algorithm to optimize the focus transfer path; step 6), determining the vehicle logo area. The vehicle logo positioning algorithm of the application has better positioning rate and robustness.

Description

technical field [0001] The present application belongs to the technical field of image processing, and in particular relates to a vehicle logo positioning method. Background technique [0002] Car logos refer to the signs of various car brands, which are mainly used for vehicle identification. These signs often become the representatives of car companies. The signs of the car include the trademark or factory logo of the car, product label, engine model and serial number, vehicle model and serial number, and vehicle identification number. According to the regulations of our country, these signs should be checked when new cars are registered and inspected every year. Automobiles should have their own marks, which are used to indicate the manufacturer, model, engine power, bearing quality, engine and vehicle serial number, etc. of the automobile. Their function is to facilitate sellers, users, maintenance personnel, and traffic management departments to identify the "identity...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46G06N3/00G06T5/50
CPCG06N3/006G06T5/50G06T2207/20056G06V20/584G06V10/446G06V10/44G06V10/56G06V10/462
Inventor 郏东耀周佳琳李梦
Owner BEIJING JIAOTONG UNIV
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