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Steel bar detection method based on deep convolutional neural network

A technology of deep convolution and neural network, which is applied in the field of steel bar detection based on deep convolutional neural network, can solve problems such as difficult to put into practical use, limited precision and robustness, and achieve improved detection accuracy and good generalization , Improving the effect of network learning space geometric deformation ability

Active Publication Date: 2019-09-20
广州市颐创信息科技有限公司
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Problems solved by technology

This method is limited by the lack of accuracy and robustness, and it is difficult to put it into practical use

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  • Steel bar detection method based on deep convolutional neural network
  • Steel bar detection method based on deep convolutional neural network
  • Steel bar detection method based on deep convolutional neural network

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with specific examples.

[0044] Such as figure 1 As shown, the steel bar detection method based on deep convolutional neural network provided in this embodiment, its specific situation is as follows:

[0045] Step 1: Collect pictures of steel bars in the actual construction site, manually mark them, and divide them into training sets and test sets.

[0046] Step 2, perform data enhancement on the training set, including the following steps:

[0047] Step 2.1, carry out center cropping on the training set, cut off the surrounding edges, and only keep 85% or 90% or 95% of the center of the original image;

[0048] Step 2.2, perform multi-scale scaling on the cropped training set, such as zooming to 1000 pixels, 1400 pixels, 1600 pixels, etc. on the short side;

[0049] Step 2.3, horizontally and vertically flip the multi-scale zoomed image;

[0050] Step 2.4, rotate the multi-scale zoomed picture by...

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Abstract

The invention discloses a steel bar detection method based on a deep convolutional neural network. The method comprises the following steps: 1) data acquisition; 2) data processing; 3) constructing and training of a model; 4) model evaluation; 5) model deployment. The target detection algorithm based on the deep convolutional neural network is applied to reinforcing steel bar detection and counting, and a multi-scale and deformation-tolerant reinforcing steel bar detection network framework is provided. Cascade R-CNN with good detection performance, a feature pyramid network capable of effectively solving the multi-scale detection problem, a more stable group normalization module, and a deformable convolution module capable of improving the spatial geometric deformation capacity of network learning and other modules are integrated in the frame. Compared with a traditional steel bar detection method, the network framework is higher in detection precision and better in generalization, and can be deployed in a remote server or a mobile device.

Description

technical field [0001] The invention relates to the technical field of computer image processing, in particular to a steel bar detection method based on a deep convolutional neural network. Background technique [0002] Object detection is one of the basic problems in the field of computer vision, and its task is to determine the category, size and location of objects in a given image. As one of the cores of computer vision and image semantic understanding, the development of object detection will help to achieve more complex and higher-level vision tasks, such as semantic segmentation, scene understanding, object tracking, and action recognition. For this reason, target detection has always been an active research field in computer vision, and has extremely high academic research value and industrial application value. [0003] In recent years, with the rapid development of deep learning and the continuous improvement of hardware computing capabilities, convolutional neura...

Claims

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Application Information

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IPC IPC(8): G06T7/00
CPCG06T7/0004G06T2207/10004G06T2207/20081G06T2207/20084G06T2207/20132G06T2207/20221G06T2207/30242
Inventor 黄少遇徐雪妙叶超
Owner 广州市颐创信息科技有限公司
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