Apparent sight line estimation method based on human body posture analysis

A line of sight estimation and human body posture technology, applied in the field of apparent line of sight estimation based on human body posture analysis, can solve the problems of complex equipment and not widely used, and achieve the effect of improving accuracy and robustness

Pending Publication Date: 2020-02-14
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Model-based methods are not widely used because they require co

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  • Apparent sight line estimation method based on human body posture analysis
  • Apparent sight line estimation method based on human body posture analysis
  • Apparent sight line estimation method based on human body posture analysis

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Embodiment Construction

[0022] The invention proposes a method for estimating apparent line of sight based on human body posture analysis. Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] The present invention mainly studies the line of sight estimation system based on human body posture. Head pose and object detection are mainly used for line of sight estimation when the face is facing and facing the camera sideways. When the face is facing away from the camera, human body posture is added to estimate the line of sight.

[0024] The present invention studies an algorithm combining target detection and head pose estimation, and uses the head pose to estimate line of sight when a human face faces a camera. The present invention studies how to use the target center position to correct the line of sight direction. The present invention needs to study the problem that the target that is too small may not intersect w...

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Abstract

The invention relates to a method for estimating a sight line by combining human body posture information. A deep convolutional neural network comprising a salient target detection branch, a head posture estimation branch and a human body posture estimation branch is designed to estimate a sight line direction. And finally, prediction of a fixation point position is given through point multiplication according to the feature maps of the three branches, wherein a connecting line of the fixation point position and a head center position is used as thesight line direction. Through the method forestimating a sight line by combining human body posture information, the accuracy and robustness of the sight line estimation algorithm can be improved.

Description

technical field [0001] The invention belongs to the technical field of apparent line of sight estimation, in particular to an apparent line of sight estimation method based on human body posture analysis. Background technique [0002] Line of sight refers to the gaze direction of people's eyes, which usually represents the focus of people's attention. Line-of-sight information can assist machines in understanding human behavior, intentions, and the environment in which characters are located. Gaze estimation has great application value in human-computer interaction, attention analysis and video surveillance. [0003] As a tool for attention analysis, gaze estimation has the characteristics of quantification and visualization. For example, in reading research, through sight estimation, you can record where you pause, where you skip, where you look back, etc. When designing the pages of websites, magazines, and posters, using line-of-sight estimation technology, it is possi...

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Application Information

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IPC IPC(8): G06K9/00G06K9/32G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06V40/10G06V10/25G06N3/045G06F18/241
Inventor 王轩漆舒汉尹李明蒋琳廖清刘洋夏文李化乐易正中李逸凡
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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