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3D pose estimation is a process of predicting the transformation of an object from a user-defined reference pose, given an image or a 3D scan. It arises in computer vision or robotics where the pose or transformation of an object can be used for alignment of a computer-aided design models, identification, grasping , or manipulation of the object.
The term manikin refers exclusively to these types of models, though mannequin is often also used. In first aid courses, manikins may be used to demonstrate methods of giving first aid (e.g., resuscitation). Fire and coastguard services use mannequins to practice life-saving procedures. The mannequins have similar weight distribution to a human.
A cheaper model – the Mobile TAM, was created by Rush in the 1980s. [1] The Transparent Anatomical Manikin was used as cover art on the 1970 soundtrack album Music from The Body, by Roger Waters and Ron Geesin, and the American alternative rock band Nirvana's 1993 album In Utero. [3]
The typical articulated body pose estimation system involves a model-based approach, in which the pose estimation is achieved by maximizing/minimizing a similarity/dissimilarity between an observation (input) and a template model. Different kinds of sensors have been explored for use in making the observation, including the following:
U.S. Army Warrior Injury Assessment Manikin (WIAMan) WIAMan is a blast test dummy designed to assess potential skeletal injuries of soldiers exposed to under-body blast (UBB). Designed jointly by the U.S. Army and Diversified Technical Systems (DTS), the project includes an anthropomorphic test device and in-dummy data acquisition and sensor ...
Perspective-n-Point [1] is the problem of estimating the pose of a calibrated camera given a set of n 3D points in the world and their corresponding 2D projections in the image. The camera pose consists of 6 degrees-of-freedom (DOF) which are made up of the rotation (roll, pitch, and yaw) and 3D translation of the camera with respect to the world.
In computer animation, a T-pose is a default posing for a humanoid 3D model's skeleton before it is animated. [1] It is called so because of its shape: the straight legs and arms of a humanoid model combine to form a capital letter T. When the arms are angled downwards, the pose is sometimes referred to as an A-pose instead.
Pose estimation problems can be solved in different ways depending on the image sensor configuration, and choice of methodology. Three classes of methodologies can be distinguished: Analytic or geometric methods: Given that the image sensor (camera) is calibrated and the mapping from 3D points in the scene and 2D points in the image is known.
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