Sign in to use this feature.

Years

Between: -

Subjects

remove_circle_outline
remove_circle_outline

Journals

Article Types

Countries / Regions

Search Results (1)

Search Parameters:
Keywords = A2J-Posenet

Order results
Result details
Results per page
Select all
Export citation of selected articles as:
13 pages, 3659 KiB  
Article
A Non-Contact Privacy Protection Bed Angle Estimation Method Based on LiDAR
by Yezhao Ju, Yuanji Li, Haiyang Zhang, Le Xin, Changming Zhao and Ziyi Xu
Sensors 2025, 25(7), 2226; https://doi.org/10.3390/s25072226 - 2 Apr 2025
Viewed by 2532
Abstract
Accurate bed angle monitoring is crucial in healthcare settings, particularly in Intensive Care Units (ICUs), where improper bed positioning can lead to severe complications such as ventilator-associated pneumonia. Traditional camera-based solutions, while effective, often raise significant privacy concerns. This study proposes a non-intrusive [...] Read more.
Accurate bed angle monitoring is crucial in healthcare settings, particularly in Intensive Care Units (ICUs), where improper bed positioning can lead to severe complications such as ventilator-associated pneumonia. Traditional camera-based solutions, while effective, often raise significant privacy concerns. This study proposes a non-intrusive bed angle detection system based on LiDAR technology, utilizing the Intel RealSense L515 sensor. By leveraging time-of-flight principles, the system enables real-time, privacy-preserving monitoring of head-of-bed elevation angles without direct visual surveillance. Our methodology integrates advanced techniques, including coordinate system transformation, plane fitting, and a deep learning framework combining YOLO-X with an enhanced A2J algorithm. Customized loss functions further improve angle estimation accuracy. Experimental results in ICU environments demonstrate the system’s effectiveness, with an average angle detection error of less than 3 degrees. Full article
(This article belongs to the Section Radar Sensors)
Show Figures

Figure 1

Back to TopTop