Cost-effective system for facial imaging and three-dimensional reconstruction

S. B. Shokouhi; D. M. Monro; Barry G. Sherlock

doi:10.1117/12.312488

26 June 1998 Cost-effective system for facial imaging and three-dimensional reconstruction

S. B. Shokouhi, D. M. Monro, Barry G. Sherlock

Proceedings Volume 3335, Medical Imaging 1998: Image Display; (1998) https://doi.org/10.1117/12.312488
Event: Medical Imaging '98, 1998, San Diego, CA, United States

Abstract

Three dimensional (3-D) images have recently received wide attention in applications involving medical treatment. Most current 3-D imaging methods focus on the internal organs of the body. However, several medical image applications such as plastic surgery, body deformities, rehabilitation, dental surgery and orthodontics, make use of the surface contours of the body. Several techniques are currently available for producing 3-D images of the body surface and most of the systems which implement these techniques are expensive, requiring complex equipment with highly trained operators. The research involves the development of a simple, low cost and non-invasive contour capturing method for facial surfaces. This is achieved using the structured light technique, employing a standard commercial slide projector, CCD camera and a frame-grabber card linked to a PC. Structured light has already been used for many applications, but only to a limited extent in the clinical environment. All current implementations involve extensive manual intervention by highly skilled operators and this has proven to be a serious hindrance to clinical acceptance of 3-D imaging. A primary objective of this work is to minimize the amount of manual intervention required, so that the system can be used by clinicians who do not have specialist training in the use of this equipment. The eventual aim is to provide a software assisted surgical procedure, which by merging the facial data, allows the manipulation of soft tissue and gives the facility to predict and monitor post-surgical appearance. The research focuses on how the images are obtained using the structured light optic system and the subsequent image processing of data to give a realistic 3-D image.

Citation Download Citation

S. B. Shokouhi, D. M. Monro, and Barry G. Sherlock "Cost-effective system for facial imaging and three-dimensional reconstruction", Proc. SPIE 3335, Medical Imaging 1998: Image Display, (26 June 1998); https://doi.org/10.1117/12.312488

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KEYWORDS

3D image processing

Cameras

Image processing

Projection systems

Structured light

Imaging systems

Calibration

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