Method for improving target real-time identification network structure and suitable for embedded equipment

An embedded device and network structure technology, applied in the field of computer vision, can solve problems such as taking a long time, it is difficult for drones to have real-time detection, target recognition network parameters and computing resource consumption are large, etc., to achieve improved compression performance effect

Pending Publication Date: 2021-01-01
BEIHANG UNIV
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AI Technical Summary

Problems solved by technology

The first is that the current popular target recognition network often consumes a lot of parameters and computing resources, so it is a fatal flaw for various embedded devices, especially drones.
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Method used

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  • Method for improving target real-time identification network structure and suitable for embedded equipment
  • Method for improving target real-time identification network structure and suitable for embedded equipment
  • Method for improving target real-time identification network structure and suitable for embedded equipment

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Embodiment Construction

[0043] The present invention will be clearly and completely described below in conjunction with the accompanying drawings. It should be noted that the examples described here are only introduced for the convenience of explaining the principles of model optimization, and the overall system is universally applicable to the optimization processing of most neural networks.

[0044] The present invention performs model compression and performance optimization on the basis of the mainstream target recognition network YOLOv3Tiny, and performs simulation experiments in the Anaconda3 processing environment, such as figure 1 As shown, the recognition efficiency is improved through the structure compression module and the channel pruning module, and the volume of the network model is greatly reduced. The brightness, contrast, saturation and hue-related attributes of the image are randomly adjusted through the image enhancement processing module, so that the model can recognize target fro...

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Abstract

The invention discloses a method for improving a target real-time identification network structure and suitable for embedded equipment, and relates to the field of computer vision, and the method specifically comprises the steps: firstly, operating a normal target identification network model, and calculating the proportion of weight parameter quantities of convolution modules of all levels; selecting a convolution module with a proportion of 50%-70%, replacing the convolution module with a depth separable convolution module, and completing primary compression; secondly, introducing the influence factor of each channel into a loss function, and carrying out sparse regularization; setting a cutting proportion threshold, selecting an influence factor lower than the proportion threshold, andcutting off the corresponding network channel to complete a channel pruning and compressing process; then, using an image enhancement module to adjust the image, and inputting the image into the neural network added into the SENet module for training; and finally, performing target identification on the image acquired in real time. According to the method, a structure compression method and a channel pruning method are combined together, so that the original network is compressed to a great extent.

Description

technical field [0001] The invention relates to the field of computer vision, in particular to an improved target real-time recognition network structure method suitable for embedded devices. Background technique [0002] With the application of artificial intelligence technology more and more widely, unmanned aerial vehicles (UAV) combined with artificial intelligence will become a hot research field in the future. At present, there have been many applications of transplanting target recognition technology to drones, such as vegetation spraying, disaster search and rescue, and river pollution measurement. Greatly reduce manpower, material and financial resources. In addition, the results of automatic computer identification are often more reliable and safe than human eye identification. [0003] However, in the industry, the process of porting object recognition technology to drones is still full of challenges. For a small embedded device such as a UAV, its limited compu...

Claims

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Application Information

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IPC IPC(8): G06K9/62G06N3/04G06N3/08
CPCG06N3/082G06N3/084G06N3/045G06F18/241
Inventor 曾国奇潘圣睿范峥
Owner BEIHANG UNIV
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