Reliable 3D wholebody scanners which output digitized 3D images of a complete human body are now commercially available. This paper describes a software package, called 3DM, being developed by researchers at Clemson University and which manipulates and extracts measurements from such images. The focus of this paper is on tilted planes, a 3DM tool which allows a user to define a plane through a scanned image, tilt it in any direction, and effectively define three disjoint regions on the image: the points on the plane and the points on either side of the plane. With tilted planes, the user can accurately take measurements required in applications such as apparel manufacturing. The user can manually segment the body rather precisely. Tilted planes assist the user in analyzing the form of the body and classifying the body in terms of body shape. Finally, tilted planes allow the user to eliminate extraneous and unwanted points often generated by a 3D scanner. This paper describes the user interface for tilted planes, the equations defining the plane as the user moves it through the scanned image, an overview of the algorithms, and the interaction of the tilted plane feature with other tools in 3DM.
Three-dimensional images of human subjects are, today, easily obtained using 3D wholebody scanners. 3D human images can provide static information about the physical characteristics of a person, information valuable to professionals such as clothing designers, anthropometrists, medical doctors, physical therapists, athletic irainers, and sculptors. Can 3D human images can be used to provide more than static physical information? This research described in this paper attempts to answer the question by explaining a way that animated sequences may be generatedfrom a single 3D scan. The process starts by subdividing the human image into segments and mapping the segments to those of a human model defined in a humanmotion simulation package. The simulation software provides information used to display movement of the human image. Snapshots of the movement are captured and assembled to create an animated sequence. All of the postures and motion of the human image come from a single three-dimensional scan. This paper describes the process involved in animating human figures from static 3D wholebody scans, presents an example of a generated animated sequence, and discusses possible applications of this approach.
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