加拿大代写-盲人在十字路口识别指标

本研究的目的是研究加拿大代写-盲人在十字路口识别指标时对个体的触觉感受。选择这个主题是为了了解个体的感知、思维和记忆如何与HCI相关(Rastogi & Pawluk, 2013)。盲人或有视力障碍的人可以利用人的帮助或手杖来识别和避开障碍物，以及识别十字路口的指示牌。通常，人们会养一只狗做向导，或者利用特殊的电子辅助工具来旅行或搬出房子。即使他们独自旅行，很多时候过马路和十字路口都需要帮助。

Locating the street: many times the pedestrians who are blind or visually impaired have to know when they arrive at a crossing. This can be done by different signals like identifying the slope, carefully listening to the sounds of traffic and other warning signals etc.
Recognition of the street: after coming to one location, it is important to determine the street where one has arrived. This can be done through a mental map and one can draw an image in mind about his whereabouts. The counting of blocks can be useful. Even one can ask for help from other pedestrians.
Assessing the crossing/ intersection: The pedestrians who are visually impaired or blind get details regarding the intersections, width of crossings, conditions of street etc. (Nordahl, 2010)
The pedestrians and visually impaired people have to keep track of traffic control systems at the crossings.
The tactile are utilised because they are designed to be detected below the fort while walking. They are used for alerting the individuals who have impaired vision or who cannot see the hazards like moving traffic or an edge at subway station platforms and for identification of indicators at the road crossings.
“Haptic perception” is the capability to grasp anything. The perception is attained by actively exploring the surfaces and objects by anything that moves rather than a passive interaction with static objects. The word “haptic” was created by a German psychologist in the year 1892.
This psychologist Max Dessoir, suggested and study towards feeling of touching in style like in “optics” and “acoustics”. This system is defined as the ability of a person to sense of the world which is to his side and this can be attained by moving body. The whole idea of haptic perception is linked with the idea of expanding psychological proprioception. It means that with haptic, any assistance like stick is utilised, perceptual experience is clearly felt with the equipment or tool. The haptic perception for the blind people is based on the pressure that is felt while touching and different virtual shapes have unique perceived attributes which can be applied for crossing roads.
The visually impaired people or blinds can usually and rightly know about three-dimensional things by touching them. This can be done by the use of exploratory processes, like use of fingers which are moved on the exterior of the objects or by taking the whole object in hands, and thus cross the roads carefully. The person can perceive those things and objects by their varying sizes, contours, weight, materialistic features, surface, temperature and consistency (Picard, Lebaz, Jouffrais & Monnier, 2010).
The visually impaired people usually have various challenges with protectively never getting their surroundings. For crossing roads, blind people depend mainly on haptic technology along with a common assistance from others. One of the examples of such technology is of haptic in which assist in training the blind individuals to walk straight utilising an overhead with a lighting pathway and the hardware for tracking the location of the users and point of reference of the cane.
Haptics manages controlling human moving and attaining feedback by the feeling of touch. A haptic interface passes on powers to an individual’s hand or fingers in a manner that imitates the vibe of touching genuine articles (Grunwald, 2008). Virtual haptic touch can be especially valuable for individuals with visual debilitations. It makes it feasible for a blind individual to feel virtual items, comparing to the way a spectator can see things on a PC screen, thus they can easily cross roads.

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