Method for measuring three-dimensional feature of face on patient with defected face

A three-dimensional shape and patient technology, which is applied in diagnostic records/measurement, medical science, sensors, etc., can solve problems such as human damage, low measurement accuracy, and slow measurement speed, and achieve rapid acquisition, improve manufacturing accuracy, and reduce errors. Effect

Inactive Publication Date: 2008-11-12
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0006] In order to overcome the shortcomings of low measurement accuracy, slow measurement speed and potential damage to the human body in the face measurement of patients with facial defects in the prior art,

Method used

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  • Method for measuring three-dimensional feature of face on patient with defected face
  • Method for measuring three-dimensional feature of face on patient with defected face
  • Method for measuring three-dimensional feature of face on patient with defected face

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Embodiment Construction

[0032] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] like figure 2 and image 3 As shown, the measurement equipment used in the method for measuring the three-dimensional facial shape of patients with facial defects proposed by the present invention is a binocular white light three-dimensional measurement system for repairing facial defects of patients. The measurement system consists of a left monocular measuring head 1, a right monocular measuring head 2, a measuring head support 3, a measuring head translation mechanism 4, a control cabinet 5 and a computer 6. Wherein the left monocular measuring head 1 includes a left slide projector 7 and a left camera 8 . The right monocular measuring head 2 includes a right slide projector 9 and a right camera 10 . The left slide projector 7 and the right slide projector 9 are all made up of white light source 11 , heat insulating glass 12...

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Abstract

A method for measuring face three-dimensional appearance of face defect patients belongs to fields of optical measurement, mechanical engineering and medical engineering. Based on structure optical projection three-dimensional vision measurement technique, a double-monocular white light three-dimensional measurement system used for face defect restoration of patients is employed, Gray codes and phase shift coding structure optical stripe patterns are respectively projected on left and right face of patients by controlling a left magic lantern projector and a right magic lantern projector, after a left camera and a right camera respectively take a view of deformed structure optical stripe patterns, measurement of complete three-dimensional face appearance of patients is realized by image decoding, triangle principle and double-eye measurement data combination. The measurement system can realize accurate data collection of natural state parenchyma of patient faces under non-contact condition and provide credible three-dimensional appearance original data of patient faces for clinic appearance defect restoring therapy.

Description

Technical field: [0001] The invention relates to a method for measuring the three-dimensional shape of the face of a patient with facial defect. In particular, a three-dimensional vision measurement technology based on structured light projection, using a dual-monocular white light three-dimensional measurement system for facial defect repair of patients, to achieve a three-dimensional measurement method for complete data collection of facial appearance of patients with facial defects. It belongs to the technical fields of optical measurement, mechanical engineering and medical engineering. Background technique: [0002] Facial defects caused by various reasons will not only hinder the physiological function of the patients, but also cause serious psychological obstacles to the patients, making it difficult to carry out normal work and social interaction, and even make many patients lose their confidence in life. Due to the special anatomical shape, tissue structure and oth...

Claims

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Application Information

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IPC IPC(8): A61B5/107
Inventor 习俊通陈晓波熊耀阳张富强
Owner SHANGHAI JIAO TONG UNIV
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