2020 16th International Conference on Intelligent Environments (IE) 2020
DOI: 10.1109/ie49459.2020.9154970
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Privacy-preserving People Detection Enabled by Solid State LiDAR

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Cited by 16 publications
(7 citation statements)
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“…Their method combines partial body detection and person re‐identification to accurately count individuals in overlapping areas. In contrast, recent works, such as References 7 and 8, have employed LiDAR sensors, which, compared to video camera techniques, address privacy issues. However, in both solutions, hardware costs play a pivotal role and the suitability of LiDAR in different environmental scenarios remain problematic.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…Their method combines partial body detection and person re‐identification to accurately count individuals in overlapping areas. In contrast, recent works, such as References 7 and 8, have employed LiDAR sensors, which, compared to video camera techniques, address privacy issues. However, in both solutions, hardware costs play a pivotal role and the suitability of LiDAR in different environmental scenarios remain problematic.…”
Section: Related Workmentioning
confidence: 99%
“…Figure 5 shows the relative error in estimating the common MAC addresses, based on the complete data set from which the results in Table II were derived. The relative error is evaluated through (7).…”
Section: A Numerical Evaluationmentioning
confidence: 99%
“…First of all, the high hardware cost due to the high resource-computation demand required, secondly, outdoor scenarios are very challenging due to light variations and in presence of large density of people; finally, recording and storing face detection is subject to privacy issues. Furthermore, recent works [6], [7] exploited the use of LiDAR sensors, which compared to video camera techniques solve the privacy issues, but still the hardware cost and the environment use case remain a problem. Conversely, the works in [8] and [9] analyze the use of WiFi probe request messages as a method to monitor crowds in various scenarios by collecting WiFi fingerprints of mobile devices.…”
Section: Related Workmentioning
confidence: 99%
“…Recently, light detection and ranging (LiDAR) sensors have received a great deal of attention in various fields, such as navigation systems for robots, indoor mapping on mobile devices, and in-home patient monitoring. Because LiDAR sensors generate images with depth information but without detailed red, green, and blue (RGB) information that differentiates individuals, it is considered more suitable for privacy-sensitive applications [ 8 , 9 ]. Figure 1 shows examples of 2D RGB images [ 10 ] and the 3D depth images generated from the 2D RGB images by a neural network [ 11 ].…”
Section: Introductionmentioning
confidence: 99%