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- 저자 : Slim Kammoun (검색결과 2 건)
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Route Selection Algorithm for Blind Pedestrian
Slim Kammoun,Florian Dramas,Bernard Oriolaand,Christophe Jouffrais 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
The vast majority of existing route selection processes is designed for vehicle navigation. In this paper we describe an adapted routing algorithm for visually impaired pedestrians based on users needs. Our aim was to find the most adapted route that connects origin and destination points, and which can provide the Blind with a sparse but helpful mental representation of the itinerary and surroundings. Based on multiple brainstorming sessions and interviews with blind people and an orientation and mobility (O&M) instructor, different classes of objects were defined and tagged in the Geographical Information System. The optimal route was then selected using the Dijkstra algorithm. This method will be used in NAVIG (Navigation Assisted by Artificial VIsion and GNSS), an assistive device for the Blind, whose aim is to improve orientation, mobility and objects localization.
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HaptiSole: Wearable Haptic System in Vibrotactile Guidance Shoes for Visually Impaired Wayfinding
Slim Kammoun,Rahma Bouaziz,Faisal Saeed,Sultan Noman Qasem,Tawfik Al-Hadhrami 한국인터넷정보학회 2023 KSII Transactions on Internet and Information Syst Vol.17 No.11
During the last decade, several Electronic Orientation Aids devices have been proposed to solve the autonomy problems of visually impaired people. When hearing is considered the primary sense for Visually Impaired people (VI) and it is generally loaded with the environment, the use of tactile sense can be considered a solution to transmit directional information. This paper presents a new wearable haptic system based on four motors implemented in shoes, while six directions can be played. This study aims to introduce an interface design and investigate an appropriate means of spatial information delivery through haptic sense. The first experiment of the proposed system was performed with 15 users in an indoor environment. The results showed that the users were able to recognize, with high accuracy, the directions displayed on their feet. The second experiment was conducted in an outdoor environment with five blindfolded users who were guided along 120 meters. The users, guided only by the haptic system, successfully reached their destinations. The potential of tactile-foot stimulation to help VI understand Electronic Orientation Aids (EOA) instructions was discussed, and future challenges were defined.
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