Filtering and restoration of structures in 3D ultrasound images

被引：1

作者：

Acosta, Oscar ^{[1
]}

Frimmel, Hans ^{[1
]}

Fenster, Aaron ^{[2
]}

Ourselin, Sebastien ^{[1
]}

机构：

[1] ICT Ctr, Automomous Syst Lab, BioMedIA Lab, Brisbane, Qld, Australia

[2] Robarts Imaging Res Lab, London, ON, Canada

来源：

2007 4TH IEEE INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING : MACRO TO NANO, VOLS 1-3 | 2007年

关键词：

3D Ultrasound; restoration; anisotropic diffusion;

D O I：

10.1109/ISBI.2007.356995

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We present a new method aimed at restoring structures in 3D US images. In our approach, 3D US data acquired with tilt devices is resampled into cylindrical coordinates with the purpose of overcoming the problems of anisotropic sampling space. Then, enhancement and shadowing effects, as well as average attenuation effects, are removed with a ray-based resealing process. Finally, a novel method for reducing noise and enhancing the structures based on a modified 3D anisotropic diffusion is applied. The diffusion scheme is improved in several steps: the diffusivity is computed locally as part of each iteration based on local statistics; two terms intended to preserve the mean value along homogeneous regions and to enhance the contrast are introduced. Results show an improvement of the contrast when applied on 3D Transrectal US (TRUS) Images of prostate, which can facilitate further segmentation.

引用

页码：888 / +

页数：2

共 14 条

[1] Real-time speckle reduction and coherence enhancement in ultrasound imaging via nonlinear anisotropic diffusion [J].

Abd-Elmoniem, KZ ;

Youssef, ABM ;

Kadah, YM .

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 2002, 49 (09) :997-1014

[2]

Chin Joseph L., 1999, Can J Urol, V6, P720

[3] Three-dimensional ultrasound imaging [J].

Fenster, A ;

Downey, DB ;

Cardinal, HN .

PHYSICS IN MEDICINE AND BIOLOGY, 2001, 46 (05) :R67-R99

[4]

FRIMMEL H, 2007, P SPIE MED IM, V6513

[5] Flux-based anisotropic diffusion applied to enhancement of 3-D angiogram [J].

Krissian, K .

IEEE TRANSACTIONS ON MEDICAL IMAGING, 2002, 21 (11) :1440-1442

[6]

KRISSIAN K, 2005, P IEEE COMP SOC C CO, V2, P547

[7] Despeckling of medical ultrasound images [J].

Michailovich, OV ;

Tannenbaum, A .

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 2006, 53 (01) :64-78

[8]

Ogier A., 2006, P SPIE MED IMAGING, V6144, P465

[9] SCALE-SPACE AND EDGE-DETECTION USING ANISOTROPIC DIFFUSION [J].

PERONA, P ;

MALIK, J .

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 1990, 12 (07) :629-639

[10] Speckle reducing anisotropic diffusion for 3D ultrasound images [J].

Sun, QL ;

Hossack, JA ;

Tang, JS ;

Acton, ST .

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS, 2004, 28 (08) :461-470

← 1 2 →