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Head posture detection method and device and computer equipment

A head posture and detection method technology, applied in the field of education management, can solve the problems of poor generalization ability and low accuracy of head posture estimation, so as to improve accuracy, enhance robustness and generalization ability, and enhance correlation sexual effect

Pending Publication Date: 2022-04-12
HUBEI UNIV +1
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at at least one defect or improvement requirement of the prior art, the present invention provides a head posture detection method, device and computer equipment. Poor ability and other issues

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  • Head posture detection method and device and computer equipment
  • Head posture detection method and device and computer equipment
  • Head posture detection method and device and computer equipment

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Embodiment Construction

[0052] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0053] The terms "first", "second", "third" and the like in the description and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.

[0054] figure 1 is a schematic flow chart of a head posture detection method provided in this embodiment, see figu...

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Abstract

The invention discloses a head posture detection method and device and computer equipment. The method comprises the steps that event time sequence signals and RGB video data in the moving process of a to-be-detected object are acquired; respectively screening out an event data stream and a key RGB video stream at the head posture change moment of the to-be-detected object from the event time sequence signal and the RGB video data, and carrying out framing processing to obtain an event image sequence and a key RGB image sequence; outputting the event image sequence and the key RGB image sequence into a trained fusion model, respectively extracting event modal features and image modal features, and fusing the event modal features and the image modal features to obtain a head posture feature image of the to-be-detected object; predicting a head posture angle of the to-be-detected object according to the head posture feature image; according to the method, the head posture is estimated by using the visible light-event bimodal image, the change moment of the head posture can be effectively screened and captured, and accurate estimation can also be realized under the conditions that the illumination condition is not ideal, partial shielding exists and the like.

Description

technical field [0001] The present application relates to the technical field of education management, and more specifically, to a head posture detection method, device and computer equipment. Background technique [0002] For the evaluation of teachers' teaching quality or credibility, in the past, the method of conducting questionnaire surveys on students was mainly used. This method often consumes a lot of time and manpower, has low efficiency, is not time-sensitive, and is not convenient for teachers to adjust teaching behavior strategies in a timely manner. In addition, in the classroom teaching scene, the scientific quantification of teacher teaching behavior recognition through classroom videos faces many problems, such as: lighting changes, motion blur, and complex backgrounds. [0003] Head pose estimation is a very important application in the field of computer vision and pattern recognition. It plays an important role in the study of human behavior and attention,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V40/10G06V10/80G06V10/764G06V10/82G06N3/04G06N3/08G06Q50/20
Inventor 刘婷婷杨兵刘海张昭理张胜强安庆黄正华鞠剑平唐剑隐李友福陈胜勇
Owner HUBEI UNIV
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