JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (6): 63-68.

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3-d shape recovery from vce Image Based on Shading Information

FU Yan-an1, LIU Hai-ying1, MENG Qing-hu1,2*   

  1. 1. School of Control Science and Engineering, Shandong University, Jinan 250061, China; 2. Department of Electronic Engineering, the Chinese University of Hong Kong, Hong Kong, China
  • Received:2012-08-30 Online:2012-12-20 Published:2012-08-30

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Abstract: Shape from shading (SFS) technique was used to generate 3-D structures from 2-D capsule endoscopic image. For the assumptions of the SFS technique, a preprocessing method for endoscopic image was proposed. Smooth and visually scene could be created based on the preprocessed endoscopic image, while preserving the structure of the observed objects. Experiments with real capsule endoscopic data demonstrate the 3-D shape enhanced the video and therefore leading to a more accurate diagnosis.

Key words: video capsule endoscopy, 3-D shape recovery, shape from shading, adaptive regularization parameter, minimization method

CLC Number: 

  • TP391.4
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