Abstract
The majority of existing real-time 3D shape measurement systems only generate non-nature texture (i.e., having illumination other than ambient lights) that induces shadow related issues. This paper presents a method that can simultaneously capture natural 2D color texture and 3D shape in real time. Specifically, we use an infrared fringe projection system to acquire 3D shapes, and a secondary color camera to simultaneously capture 2D color images of the object. Finally, we develop a flexible and simple calibration technique to determine the mapping between the 2D color image and the 3D geometry. Experimental results demonstrate the success of the proposed technique.
Highlights
Three-dimensional (3D) shape measurement is crucial for many areas ranging from industrial practices to scientific study [1]
This paper presents a method that can simultaneously capture natural 2D color texture and 3D shape in real time
We develop a flexible and simple calibration technique to determine the mapping between the 2D color image and the 3D geometry
Summary
Three-dimensional (3D) shape measurement is crucial for many areas ranging from industrial practices to scientific study [1]. Most of the aforementioned real-time 3D shape measurement can simultaneously provide a black-and-white (b/w) texture by analyzing the structured patterns that are used for 3D reconstruction. This texture generation approach is not natural, meaning that the texture is not captured without the directional projection light. We use a near infrared camera/projector pair to perform 3D shape measurement, and a secondary color camera to simultaneously capture 2D color images solely illuminated by ambient lights. Experimental results will be presented to verify the success of the proposed technique for real-time 3D shape measurement applications.
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