2022
DOI: 10.1145/3546714
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Corridor-Walker: Mobile Indoor Walking Assistance for Blind People to Avoid Obstacles and Recognize Intersections

Abstract: Navigating in an indoor corridor can be challenging for blind people as they have to be aware of obstacles while also having to recognize the intersections that lead to the destination. To aid blind people in such tasks, we propose Corridor-Walker, a smartphone-based system that assists blind people to avoid obstacles and recognize intersections. The system uses a LiDAR sensor equipped with a smartphone to construct a 2D occupancy grid map of the surrounding environment. Then, the system generates an obstacle-… Show more

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Cited by 20 publications
(5 citation statements)
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“…The historical lack of user-reported results in the field, especially when comparing devices, provides little inspiration in how to present them. An exception is [37], where paired box plots are used. However, such might imply interval scales, while Likert-type and item-specific scales are ordinal.…”
Section: ) Virtual Environmentmentioning
confidence: 99%
“…The historical lack of user-reported results in the field, especially when comparing devices, provides little inspiration in how to present them. An exception is [37], where paired box plots are used. However, such might imply interval scales, while Likert-type and item-specific scales are ordinal.…”
Section: ) Virtual Environmentmentioning
confidence: 99%
“…[66][67][68] LIDAR sensors.-LiDAR (Light Detection and Ranging) is a remote sensing technology representing the pinnacle of environmental sensing capabilities, offering unparalleled accuracy and resolution in spatial mapping and obstacle detection. 69,70 By emitting laser pulses and analysing the reflected light, LiDAR sensors generate detailed 3D maps of the surroundings, including object size, shape, and location. This high-fidelity spatial data enables FSDs to provide users with comprehensive situational awareness, facilitating seamless navigation of complex environments.…”
Section: Tools and Technologies Usedmentioning
confidence: 99%
“…Laser sensing technology (including Lidar and laser rangefinder) is applied to guide equipment [ 32 , 33 , 34 ], which helps improve the ranging accuracy and distance of guide equipment. The laser sensor takes the laser as the signal source, which emits a laser beam from the laser, hitting the obstacle in front of the visually impaired, which is accepted by the receiver after the reflection, this way, the distance between the laser sensor and the obstacle can be measured.…”
Section: Application Status Of Laser Vision Sensing Smart Canementioning
confidence: 99%