Smart walking cane for the visually challenged

Murali, Sharada; Shrivatsan, R; Sreenivas, V; Vijjappu, Srihaarika; Gladwin, S. Joseph; Rajavel, R.

doi:10.1109/r10-htc.2016.7906791

Cited by 19 publications

(7 citation statements)

References 1 publication

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“…They are also only capable of detecting obstacles in a very close range, as close as a meter, making it ineffective for crossing roads. [1] Along with canes, guide dogs have also been used for a long time. But they pose challenges too.…”

Section: A Literature Surveymentioning

confidence: 99%

“…Voice feedback is also deployed to detect changes in terrain of path and relay the same to the user. [1] Other models have also used other sensors such as infrared sensors, fire detectors, along with voice based feedback and navigation system to assist them effectively. Physical buttons are also used by which the users are able to call for help or send distress signals when needed [2].…”

Section: A Literature Surveymentioning

confidence: 99%

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An IoT-ML based Proactive Walking aid for the Visually Challenged

Malhotra,

Balasubramanian,

Sultana

2019

IJEAT

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The numbers of elderly people are rising in countries like India and China. Most of the elderly uses a walking stick for their commuting. Also blind peoples need a walking aid for their day to day life. This work mainly focuses on the design and development of a proactive walking aid for the blind and the elderly peoples. The stick is designed mainly using a ultrasonic sensors which is fit along with the existing hardware. This work analyses various difficulties that a person with disabilities faced in their life. So this work caters or handles most of the aspect an elderly or blind is needed using Internet of Things (IoT). Apart from the ultrasonic sensors it employs a buzzer that beeps when a person or object is approaching in front of the stick. Whenever a person with the stick get hit or stuck somewhere for a predefined time, then an alert along with the GPS coordinates sent to the emergency contact. Most of the literature supports a stick with reactive in nature, this work supports a proactive approach as it predicts the object at a distance rather than after it touches the stick. This system also employs machine learning algorithms to predict the nature of the person using the stick. Our results have shown that the stick can be the only aid that either an elderly or blind people can use.

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Section: A Literature Surveymentioning

confidence: 99%

Section: A Literature Surveymentioning

confidence: 99%

An IoT-ML based Proactive Walking aid for the Visually Challenged

Malhotra,

Balasubramanian,

Sultana

2019

IJEAT

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“…The system also has capabilities to alert surrounding people when the user requires assistance, and give alert along with the location to the family or caregivers registered phone number. Smart walking cane for the visually impaired persons also have developed by Murali et al [10]. The conventional cane is then completed by Mobile application developed to avoid Veering behavior are done by Paneel et al [11].…”

Section: Previous Researchmentioning

confidence: 99%

Design and Implementation of Blind Runner Guide Android Mobile Application for the Visual Impairment User Experience

Asmara¹,

Huda²,

Handayani³

2018

IJET

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Visual Impairment persons have the disadvantage when they try to walk straight without any active or passive guidance. They usually tend to walk with circle path how hard they try, this is called veering behavior and it is nature in human instinct. For walking, most visual impairment persons will use at least a support cane for their walking guidance. In Running Athletics para-competition, visual impairment athletes did not use a support cane, they will use human assistant and run together beside them. The athletes will hold tether where the other end were held by the assistant, whose called sighted guide. Some visual impairment school in Indonesia have some difficulties to train their runner athletes, one of them is the limitation of human running assistant provide by them. Blind Runner Guide Android Mobile Application offering one great feature for the visual impairment persons. This application will assist users to stay straight during their walk or run. This application still however can only be used for straight run competition, not circle athletic path which is usually used in international standard competition. This paper review the Visual Impairment user experiences using the application. From the experiment results shows that the application could reduce more than 50% percent of veering behavior. Experiment results from the short version UEQ shows 1.625 mean pragmatic quality score (good benchmark), 0.625 hedonic quality score (bad benchmark), and 1.17 overall quality score (above average benchmark).

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“…Some existing research works are ultrasonic-based obstacle detection which can be categorized into cane, robot and wearable. Smart canes are walking sticks used by people with visual impairment embedded with smart technology and are developed by several researchers [2]- [6]. The distinct differences of the developed prototypes are the amount of sensor implemented, the feedback system used for notification, length of the stick, and the field of detection.…”

Section: Introductionmentioning

confidence: 99%

“…An array of ultrasonic sensors, GPS module and GSM module were implemented in [6]. The GPS and GSM modules served to send coordinates of user to other people at times of emergency.…”

Section: Introductionmentioning

confidence: 99%

Finger-Mounted Obstacle Detector for People with Visual Impairment

Ling¹,

Chai²

2019

IJEETC

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Mobility is the ability to move. People with visual impairment has limited mobility as they have limited vision to move safely without colliding against obstacles. This paper presents a wearable device using technology to help people with visual impairment to detect obstacles. The device uses an ultrasonic sensor to obtain real time information of distance between device and obstacles. This information is interpreted into an audio feedback which will alert or notify users the presence of obstacles in their path. The device is small enough to be worn on the finger and direction of detection can be changed by pointing the hand or finger elsewhere. Three experimental testing were conducted to evaluate the prototype. First experiment was to determine the detection rate on indoor and outdoor obstacles of different sizes and shapes in a controlled environment. Second experiment was to test the prototype with participants wearing blindfolds (no vision simulator) and walking in an indoor environment filled with real life obstacles. Third experiment was conducted with participants wearing low vision simulators walking in an outdoor environment. Results showed the prototype works better for people with low vision than no vision. 

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Smart walking cane for the visually challenged

Cited by 19 publications

References 1 publication

An IoT-ML based Proactive Walking aid for the Visually Challenged

An IoT-ML based Proactive Walking aid for the Visually Challenged

Design and Implementation of Blind Runner Guide Android Mobile Application for the Visual Impairment User Experience

Finger-Mounted Obstacle Detector for People with Visual Impairment

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