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3D MODELLING WITH STRUCTURED LIGHT GAMMA CALIBRATION
(Vsb-Technical Univ Ostrava, 2014) Sert, Eser; Okumus, Ibrahim Taner; Taskin, Deniz
Structured light method is one of the noncontact measurement methods used for high resolution and high sensitive 3D modeling. In this method, a projector, camera and computer are used. Projector projects patterns that are generated with specific coding strategies onto the object that will be 3D modeled. Camera receives these patterns. By processing the images received by the camera, object is 3D modeled. Light intensity that is emitted from the projector generally not a linear function of the signal input. This causes brightness problems in the patterns projected. Thus, images received from the camera needs to the gamma corrected. In this study, gamma calibration method is proposed to overcome this problem. Test results show that proposed calibration system improves the accuracy and quality of the 3D modeling.