Pediatric Brain Tissue Segmentation Using a Snapshot Hyperspectral Imaging (sHSI) Camera and Machine Learning Classifier

被引:4
|
作者
Kifle, Naomi [1 ]
Teti, Saige [2 ]
Ning, Bo [1 ]
Donoho, Daniel A. [2 ]
Katz, Itai [1 ]
Keating, Robert [2 ]
Cha, Richard Jaepyeong [1 ,3 ]
机构
[1] Childrens Natl Hosp, Sheikh Zayed Inst Pediat Surg Innovat, Washington, DC 20010 USA
[2] Childrens Natl Hosp, Dept Neurosurg, Washington, DC 20010 USA
[3] George Washington Univ, Sch Med, Dept Pediat, Washington, DC 20010 USA
来源
BIOENGINEERING-BASEL | 2023年 / 10卷 / 10期
关键词
pediatric brain tumor; neurosurgery; snapshot hyperspectral imaging; random forest; segmentation;
D O I
10.3390/bioengineering10101190
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Pediatric brain tumors are the second most common type of cancer, accounting for one in four childhood cancer types. Brain tumor resection surgery remains the most common treatment option for brain cancer. While assessing tumor margins intraoperatively, surgeons must send tissue samples for biopsy, which can be time-consuming and not always accurate or helpful. Snapshot hyperspectral imaging (sHSI) cameras can capture scenes beyond the human visual spectrum and provide real-time guidance where we aim to segment healthy brain tissues from lesions on pediatric patients undergoing brain tumor resection. With the institutional research board approval, Pro00011028, 139 red-green-blue (RGB), 279 visible, and 85 infrared sHSI data were collected from four subjects with the system integrated into an operating microscope. A random forest classifier was used for data analysis. The RGB, infrared sHSI, and visible sHSI models achieved average intersection of unions (IoUs) of 0.76, 0.59, and 0.57, respectively, while the tumor segmentation achieved a specificity of 0.996, followed by the infrared HSI and visible HSI models at 0.93 and 0.91, respectively. Despite the small dataset considering pediatric cases, our research leveraged sHSI technology and successfully segmented healthy brain tissues from lesions with a high specificity during pediatric brain tumor resection procedures.
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页数:11
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