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工科背景下数字图像处理创新实践项目研究——以“基于IPPG的心率估计算法”为例
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作者 马良 王露 +2 位作者 蔡晓军 王洪君 宋强 《科教文汇》 2023年第18期133-140,共8页
针对当前数字图像处理实验教学内容存在的问题,结合新工科专业建设背景与人才培养要求,探索数字图像处理课程创新型实践教学模式,以基于IPPG的心率估计算法为例构建创新实践教学项目。以心率估计算法为例,基于传统数字图像处理技术,融... 针对当前数字图像处理实验教学内容存在的问题,结合新工科专业建设背景与人才培养要求,探索数字图像处理课程创新型实践教学模式,以基于IPPG的心率估计算法为例构建创新实践教学项目。以心率估计算法为例,基于传统数字图像处理技术,融合综合型实践教学内容,重构数字图像处理实验教学课程体系,以综合性创新性研究项目驱动知识、理论、创新和综合能力的深度融合,为培养新工科创新人才提供支撑。 展开更多
关键词 新工科 数字图像处理 ippg(成像式光学体积描记技术) 创新实践教学
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Non-Contact Blood Pressure Measurement Based on IPPG
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作者 Jiancheng Zou Shouyu Zhou +1 位作者 Bailin Ge Xin Yang 《Journal of New Media》 2021年第2期41-51,共11页
Blood pressure is an important physiological parameter to reflect human vital signs.In order to achieve the non-contact dynamic blood pressure acquisition based on ordinary optical camera,a theoretical understanding o... Blood pressure is an important physiological parameter to reflect human vital signs.In order to achieve the non-contact dynamic blood pressure acquisition based on ordinary optical camera,a theoretical understanding of the functional relationship between blood pressure and pulse wave signal conduction time.And through imaging photoelectric plethysmography(IPPG),pulse wave signal conduction time of forehead and hand was obtained with ordinary optical camera.First,the pulse wave conduction time was obtained by recording the video with an ordinary optical camera.Second,real-time blood pressure values were collected.Finally,based on the relationship between blood pressure and pulse wave conduction time,a non-contact blood pressure measurement prediction model was obtained through neural network fitting.So that non-contact blood pressure measurement with optical camera could be completed.The method in this paper has several advantages,such as low requirements on measuring equipment,low cost,and simple operation.It can let people get rid of the discomfort caused by measuring equipment such as cuff and can measure blood pressure at any time.The predicted blood pressure results were compared with an Omron wrist electronic sphygmomanometer.The calculated error of systolic blood pressure is-9.28%~3.16%,and the error of diastolic blood pressure is-9.84~4.35%. 展开更多
关键词 Non contact blood pressure measurement imaging photoelectric plethysmography(ippg) pulse wave conduction time
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