Feature enhanced target detection method based on feature pyramid network

A feature pyramid and target detection technology, applied in the field of target detection, can solve problems such as enhancing single-stage network detection images and two-stage network detection image targets, and achieve the effects of improving accuracy and precision, enhancing performance, and improving detection performance

Active Publication Date: 2019-08-02
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes combining different types of components together to make sure they work properly when dealing with smaller or larger items like pills or bags. It also includes advanced techniques to identify specific areas within those materials more accurately than previous methods. Overall, this innovation allows us to create powerful networks capable of identifying multiple sizes of things efficiently without compromising their effectiveness over other systems.

Problems solved by technology

This patents describes how traditional methods used for detecting targets like cars or people use convolution networks that only take advantage from certain layers of an artificial intelligence system' s trained model. These models may lose their effectiveness when dealing with complex images due to factors like noise interference caused by different levels of detail captured during training process.

Method used

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  • Feature enhanced target detection method based on feature pyramid network
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  • Feature enhanced target detection method based on feature pyramid network

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Embodiment Construction

[0038] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.

[0039] The present invention proposes an enhanced feature pyramid network for object detection, such as figure 1 As shown, three modules for processing features of different scales are integrated in the network structure, namely TDM (top-down module), BUM (bottom-up module), and FEM (fusion extension module).

[0040] TDM (top-down module) is used in this network structure, the structure is as follows figure 2 As shown, after the backbone network extracts the features of each layer step by step, the top-level features are globally averaged and pooled, and after upsampling, they are added to the top-level features of the backbone network, and the top-level enhanced features of TDM are obtained through 1×1 convolution. , and then sequentially perform upsampling and add to the corresponding layer of t...

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Abstract

The invention discloses an image target detection method based on a feature pyramid network. A top-down module TDM, a bottom-up module BUM and a fusion expansion module FEM are added to a backbone network model adopted before the backbone network model is sent to a target detector; therefore, a novel enhanced feature pyramid network eFPN is formed. The detection performance of small-size objects,large-size objects and medium-size objects can be enhanced at the same time, only few parameters and calculation amount are introduced, the problem of multi-scale targets in the target detection process is better solved, the performance of a single-stage network and a double-stage network is obviously enhanced, and therefore the detection performance of the multi-scale target objects in the imageis improved.

Description

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Claims

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Application Information

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Owner PEKING UNIV
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