Method and apparatus for estimating three-dimensional human body posture
A human pose, three-dimensional technology, applied in the field of computer vision research, can solve the problems of high image requirements and increase the difficulty of three-dimensional human pose estimation, and achieve the effect of reducing the difficulty
Active Publication Date: 2015-09-30
LENOVO (BEIJING) CO LTD
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Although this method can complete 3D human pose estimation, it requires the human body to face the lens of the camera, and the distance between the human body and the camera is less than 4m, which requires higher requirements for the captured images and increases the difficulty of 3D human pose estimation.
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[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0046] The embodiment of the present invention discloses a method and a device for estimating a three-dimensional human body posture, so as to reduce the requirement for an image acquisition device to capture images in the three-dimensional human body posture estimation, thereby reducing the difficulty of estimating the three-dimensional human body posture.
[0047] see figure 1 , which shows a schematic flow chart of an embodiment of a method for estimating a...
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The invention provides a method and apparatus for estimating a three-dimensional human body posture. The method includes obtaining human body images from different angles, and the images shot from different angles are obtained by a plurality of preset image acquisition devices for acquiring images from different directions. The method further includes estimating two-dimensional posture for each image, determining the target two-dimensional posture of the human body in each image, determining a target three-dimensional posture corresponding to the target two-dimensional posture according to the mapping database, established in advance, of two-dimensional postures and three-dimensional postures to restore a plurality of target three-dimensional postures of the human body in different angles, and combining the plurality of target three-dimensional postures into one three-dimensional human body to construct the three-dimensional posture of the human body. When the method and apparatus are used for estimating a three-dimensional human body posture, requirements on the image acquisition device for acquiring human body images are few, and the difficulty for estimating a three-dimensional human body posture is lowered.
Description
technical field [0001] The present invention relates to the technical field of computer vision research, and more specifically relates to a method and device for estimating a three-dimensional human pose. Background technique [0002] Analyzing human poses from images is an important problem in computer vision research. Human pose estimation is widely used in many fields such as human-computer interaction, movie special effects, and intelligent monitoring systems. [0003] At present, the application of 3D human pose estimation based on images collected by structured light cameras is becoming more and more widespread. In order to realize the 3D human pose estimation based on the images collected by the structured light camera, it is necessary to project the structured light onto the surface of the human body to generate different patterns of light spots. Although this method can complete 3D human pose estimation, it requires the human body to face the lens of the camera, a...
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Inventor 王子彬
Owner LENOVO (BEIJING) CO LTD