Interactive surgical planning using context based volume visualization techniques

2002 ◽  
Author(s):  
Zou Qingsong ◽  
Kwoh Chee Keong ◽  
Ng Wan Sing
Keyword(s):  
Surgical Planning ◽  
Volume Visualization ◽  
Visualization Techniques

VOLUME VISUALIZATION FOR SURGICAL PLANNING SYSTEM

2007 ◽  
Vol 07 (01) ◽  
pp. 55-63 ◽  
Author(s):  
CHAN CHEE FATT ◽  
IRWAN KASSIM ◽  
CHARLES LO ◽  
IVAN NG ◽  
KWOH CHEE KEONG
Keyword(s):  
Computer Technology ◽  
Surgical Approach ◽  
Surgical Planning ◽  
Volume Visualization ◽  
Planning System ◽  
Neurosurgical Planning ◽  
2D Imaging ◽  
3D Volume ◽  
Volume Models

The 3D volume visualization is to overcome the difficulties of the 2D imaging by using computer technology. A volume visualization approach has been successfully implemented for Surgical Planning System in National Neuroscience Institute (NNI). The system allows surgeons to plan a surgical approach on a set of 2D image slices and process into volume models and visualise them in 3D rapidly and interactively on PC. In our implementation, we have applied it in neurosurgical planning. The surgeon can visualize objects of interest like tumor and surgical path, and verify that the surgical plan avoids the critical features and the planning of the surgical path can thus be optimal.

A Volume-Based Geometric Reasoning Approach for Diecastability Evaluation

1995 ◽  
Author(s):  
S. C. Lu ◽  
A. B. Rebello ◽  
R. A. Miller ◽  
G. L. Kinzel ◽  
R. Yagel
Keyword(s):  
Volume Visualization ◽  
Casting Process ◽  
Preliminary Design ◽  
City Block ◽  
Die Geometry ◽  
Part Geometry ◽  
Related Part ◽  
Die Casting Process ◽  
Visualization Techniques

Abstract Because of the nature of the die casting process, the part geometry severely restricts the die geometry and hence affects the quality of the part. However, as is often the case in other manufacturing processes, diecastings are currently designed purely based on their function. The manufacturability of the diecastings is not considered until the design has been nearly completed and detailed. This is due to the design support limitations of current CAE tools. In this paper, we present a new volume-based approach to support diecastability evaluation, especially in preliminary design. Our approach can be applied to arbitrarily shaped parts without pre-defined feature libraries. The focus is on the identification of geometric characteristics, e.g. heavy mass regions, that could be responsible for thermal-related part defects. A distance transform with city-block metric is used to extract this geometric property. Volume visualization techniques are also adopted to allow users to visualize the results in a clear and precise way.

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