A vehicle model retrieval system and method based on convolutional neural network
A convolutional neural network and vehicle model technology, applied in digital data information retrieval, image analysis, instruments, etc., can solve problems affecting retrieval efficiency and retrieval accuracy, improve retrieval efficiency and accuracy, and shorten retrieval time , cost reduction effect
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Embodiment 1
[0038] see figure 2 , the embodiment of the present invention provides a vehicle model retrieval method based on a convolutional neural network, including:
[0039] S1: Obtain vehicle photo information at traffic checkpoints and build an image database;
[0040] S2: Obtain the photo of the target vehicle, search based on the image database, and output the search result.
[0041] in,
[0042] S1: Obtain vehicle photo information at traffic checkpoints and build an image database; specifically include:
[0043] S101: Obtain a photo of a vehicle at a traffic checkpoint;
[0044] S102: Carry out vehicle detection on the obtained vehicle photos, and intercept the vehicle face picture; specifically, the vehicle detection adopts the EasyPR method to locate the license plate, and then take the center of the license plate as the origin of coordinates, and expand the area to the left and right by 1.75 times the width of the license plate respectively , expanding the upward area with ...
Embodiment 2
[0066] see figure 1 and figure 2 , the embodiment of the present invention provides a vehicle model retrieval system based on a convolutional neural network, including: a sequentially connected traffic checkpoint photo acquisition module, a vehicle detection module, a pointing feature segmentation module, a pointing feature extraction module, and a retrieval module ;
[0067] Traffic checkpoint photo acquisition module: a device for obtaining photo information of traffic checkpoint vehicles; specifically, it can be a high-definition camera;
[0068] Vehicle detection module: a device used for vehicle detection on acquired vehicle photos and intercepting vehicle face pictures; specifically, the EasyPR method is used to locate the license plate, and then the center of the license plate is used as the origin of coordinates, and the width of the license plate is 1.75 times to the left, Expand the area to the right, expand the upward area with 1.5 times the height of the license...
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