研究目的
To improve the accuracy of augmented videos in visualising blood vessels during Breast Implant Surgery by developing a Weighted Integral Energy Functional (WIEF) algorithm to handle contour leakage and reduce registration error and processing time.
研究成果
The proposed WIEF algorithm significantly improves accuracy (registration error reduced to 0.32 mm) and processing time (reduced to 23 sec) compared to the state-of-the-art method, making AR feasible for visualizing blood vessels in breast implant surgeries by addressing contour leakage and noise issues.
研究不足
The study uses simulated data in MATLAB, which may differ from real surgical environments; manual registration process could introduce errors; system performance depends on hardware configuration; only breast implant surgery is considered, limiting generalizability.
1:Experimental Design and Method Selection:
The study uses a proposed Weighted Integral Energy Functional (WIEF) algorithm to enhance AR visualization. It involves wavelet decomposition for vascular pulsation detection, Gaussian filtering for noise removal, and energy functional calculations for segmentation and alignment.
2:Sample Selection and Data Sources:
10 sample videos and 10 sample CT scan images from patients of different age groups and body masses were used, sourced from online resources.
3:List of Experimental Equipment and Materials:
A computer system with Pentium(R) Dual-Core CPU T4300 @
4:10GHz, 4 GB RAM, Windows 7 Ultimate 64-bit OS, and MATLAB R2017a software. Experimental Procedures and Operational Workflow:
Steps include wavelet decomposition of video frames, noise removal with Laplacian of Gaussian filter, calculation of energy functional, application of weighted regularization, and alignment of preoperative 3D data with intraoperative 2D data to generate augmented views.
5:Data Analysis Methods:
Registration error measured as root mean square distance between corresponding points using MATLAB tools; processing time recorded during algorithm execution; visual comparisons made.
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