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Pedestrian detection method based on deep learning and detection device

A technology of pedestrian detection and deep learning, applied in the direction of neural learning methods, instruments, biological neural network models, etc., can solve problems such as unsatisfactory requirements, complicated classifier training, and difficulty in training pedestrian detection classifiers, so as to improve the accuracy of detection Accuracy, improve detection efficiency, improve the effect of detection effect

Active Publication Date: 2017-06-13
TSINGHUA UNIV
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AI Technical Summary

Problems solved by technology

[0002] In related technologies, pedestrian detection methods using background modeling and statistical learning may achieve better pedestrian detection efficiency or accuracy under certain conditions, but neither of these two methods can meet the requirements of practical applications
Among them, the background modeling method is generally more complex, resulting in the inability to meet the needs of real-time detection in practical applications, and the method based on statistical learning is difficult to train a general-purpose pedestrian detection classifier due to the complexity of classifier training, especially when the sample size is large. And the training time of the classifier is very expensive. If some key areas in the video content can be detected in advance, and then the accuracy of pedestrian detection in these key areas can be improved, it will be able to improve both time efficiency and detection accuracy.

Method used

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Embodiment Construction

[0044] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0045]Before describing the pedestrian detection method and detection device based on deep learning according to the embodiment of the present invention, the importance of accurately detecting pedestrians will be briefly described.

[0046] At present, pedestrian detection technology has a wide range of applications in many real-life scenarios: intelligent assisted driving, intelligent monitoring, pedestrian analysis and intelligent robots and other fields. With the rapid development of intelligent assisted driving and intelligen...

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Abstract

The invention discloses a pedestrian detection method based on deep learning and a detection device. The method comprises the steps that video data is acquired; multiple key areas where pedestrians possibly exist are positioned according to the video data; the key areas where pedestrians possibly exist are subjected to multiple iterations through a deep convolutional neural network, and pedestrian features after adjustment and filtration are obtained to judge whether pedestrians exist in the key areas; and if pedestrians exist in the key areas, a bonding frame and credibility of each pedestrian detection result are output. When the method is applied to pedestrian detection, the detection effect of the key areas and the detection effect of the pedestrians in the key areas can be improved, the purpose of high-definition video real-time pedestrian detection required by a true application scene is achieved, detection precision and detection efficiency are both improved, and the method is simple and easy to realize.

Description

technical field [0001] The invention relates to the field of computer multimedia technology, in particular to a pedestrian detection method and detection device based on deep learning. Background technique [0002] In related technologies, pedestrian detection methods using background modeling and statistical learning may achieve better pedestrian detection efficiency or accuracy under certain conditions, but neither of these two methods can meet the requirements of practical applications. Among them, the background modeling method is generally more complex, resulting in the inability to meet the needs of real-time detection in practical applications, and the method based on statistical learning is difficult to train a general-purpose pedestrian detection classifier due to the complexity of classifier training, especially when the sample size is large. And the training time of the classifier is very expensive. If some key areas in the video content can be detected in advance...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06N3/08
CPCG06N3/08G06V40/25G06V20/40
Inventor 丁贵广郝晖陈仕江
Owner TSINGHUA UNIV
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