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A new optimised De Bruijn coding strategy for structured light patterns

Coded structured light is an optical technique based on active stereovision that obtains the shape of objects. One shot techniques are based on projecting a unique light pattern with an LCD projector so that grabbing an image with a camera, a large number of correspondences can be obtained. Then, a 3D reconstruction of the illuminated object can be recovered by means of triangulation. The most used strategy to encode one-shot patterns is based on De Bruijn sequences. In This work a new way to design patterns using this type of sequences is presented. The new coding strategy minimises the number of required colours and maximises both the resolution and the accuracy

IEEE

Autor: Pagès Marco, Jordi
Salvi Mas, Joaquim
Forest, Josep
Resum: Coded structured light is an optical technique based on active stereovision that obtains the shape of objects. One shot techniques are based on projecting a unique light pattern with an LCD projector so that grabbing an image with a camera, a large number of correspondences can be obtained. Then, a 3D reconstruction of the illuminated object can be recovered by means of triangulation. The most used strategy to encode one-shot patterns is based on De Bruijn sequences. In This work a new way to design patterns using this type of sequences is presented. The new coding strategy minimises the number of required colours and maximises both the resolution and the accuracy
Accés al document: http://hdl.handle.net/2072/58669
Llenguatge: eng
Editor: IEEE
Drets: Tots els drets reservats
Matèria: Càmeres estereoscòpiques
Percepció de la profunditat
Visió artificial (Robòtica)
Visió per ordinador
Computer vision
Depth perception
Robot vision
Stereoscopic cameras
Visualització tridimensional (Informàtica)
Títol: A new optimised De Bruijn coding strategy for structured light patterns
Tipus: info:eu-repo/semantics/article
Repositori: Recercat

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