Vehicle color recognition method and device

A color recognition and vehicle technology, applied in the field of pattern recognition, can solve problems such as inability to accurately identify vehicle colors, achieve high color distinction characteristics, reduce impact, and improve accuracy

Active Publication Date: 2017-02-08
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a vehicle color recognition method and device, the purpose of which is to solve the problem that the vehicle color cannot be accurately recognized when the lighting environment of the vehicle changes

Method used

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  • Vehicle color recognition method and device
  • Vehicle color recognition method and device
  • Vehicle color recognition method and device

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Embodiment Construction

[0040] Usually, an image acquisition device pre-arranged outdoors (or indoors) collects images of the vehicle to obtain a sample image of the vehicle. The technical solutions of the embodiments of the present application are applicable to the application scenario of performing vehicle color recognition on vehicle sample images.

[0041] By adopting the technical solution of the embodiment of the present application, the color of the vehicle in the vehicle sample image can be accurately identified, and the vehicle color can still be accurately identified when the lighting environment in which the vehicle is located changes.

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embo...

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Abstract

The invention provides a vehicle color recognition method and device, and the method comprises the steps: obtaining a vehicle color recognition region comprising a vehicle image from a vehicle sample image; dividing the vehicle color recognition region into eight subregions in the shape of the Chinese character Mi, and extracting the histogram of each subregion; enabling the statistical information represented by the histograms as a color feature input classifier, so as to obtain a color region result of the color recognition region. Because the histograms at least comprises a {H, S} two-dimensional histogram and an Sqrt(S*V) histogram, the method is good in color distinguishing characteristics, wherein the {H, S} two-dimensional histogram gives consideration to hue and saturation, and the Sqrt(S*V) histogram gives consideration to the saturation and brightness. Meanwhile, the method also obtains a part of position information besides the color information of the histogram of all subregions obtained through the Mi-shaped dividing. Therefore, the method can reduce the impact on color recognition from illumination change and the interference caused by posture changes of a vehicle, vehicle windows and the ground, and improves the accuracy of vehicle color recognition.

Description

technical field [0001] The present application relates to the technical field of pattern recognition, in particular to a vehicle color recognition method and device. Background technique [0002] Vehicle color recognition is an important development direction in the field of intelligent transportation. It makes up for the technical gap in the intelligent vehicle recognition system that cannot recognize vehicle color features, enriches the characteristic information of vehicle recognition, improves the efficiency of vehicle recognition, and assists in case investigations. , It is of great significance to crack down on criminal acts such as vehicle decks. [0003] Existing vehicle color recognition methods are very sensitive to vehicle attitude changes and changes in the lighting environment in which the vehicle is located. When the lighting environment in which the vehicle is located changes, the color recognition accuracy of the existing vehicle color recognition methods dro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G06K9/62
CPCG06V10/56G06F18/241
Inventor 邹博周晓李锋
Owner NEUSOFT CORP
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