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Deaf-mute Communication Facility

2021-07-22 来源: 51Due教员组 类别: Essay范文

51Due教员组今天给各位留学生分享一篇纯原创代写范文essay,主要陈述在残疾人无障碍环境建设中,聋人无障碍是整个残疾人无障碍事业的重要组成部分之一。聋哑人是一个相对特殊的群体相比,其他残疾人,如盲人和身体残疾。为默默无闻的聋哑人建立的工作和生活环境不能像盲人和残疾人那样直观。希望这篇可以帮助到各位留学生参考,同时需要代写也可以直接联系我们51Due客服vx(vx:Athey520)进行咨询。

Deaf-mute people account for a large proportion of the total population of the disabled. In the construction of the barrier-free environment for the disabled, the accessibility of deaf people is one of the important components of the barrier-free cause of the entire disabled. Deaf-mute people are a relatively special group compared with other disabled people such as the blind and physically handicapped. The working and living environment established for the obscurity of deaf-mute people cannot be as intuitive as the establishment of blind and physically disabled people. For example, the barrier-free environment for blind and physically disabled people is mostly blind spots such as blind roads in the sidewalk, public places such as stations, auxiliary ramps for wheelchair access, and toilet equipment specially designed for disabled people. The biggest feature of these facilities is that there is relatively more hardware and relatively few software(Patterson). The establishment of the barrier-free environment for deaf people is complicated. The existing design of disability aids for the disabled is mostly concentrated on the aids of visually impaired or physically disabled people, and the language barriers are often overlooked. This special group lives in a silent world and it is difficult to communicate with the outside world. Fortunately, the care design for speech impaired people has gradually entered the public view - sign language translator, which also shows that the design and medical industry has increased the importance of the device.

At present, speech impaired people mainly "sound" through three ways: using a walkie-talkie (electronic throat), a sound that relies on the vibration of the esophagus, and sign language. In addition to people who are unable to speak properly due to vocal organs or nerve damage, some people with hearing impairments also use sign language to communicate. Sign language allows people with hearing and speech disabilities to communicate smoothly, but it is difficult to establish a communication bridge between people with hearing and speech disabilities and other people. In this case, it is necessary to convert sign language into a language that is easier for normal people to understand, so the sign language translator application Born. The sign language interpreter exists to help people with hearing and speech disabilities to better communicate with other groups. The users they face are not only the hearing and speech impaired persons who wear and use the translator, but also the subjects they want to communicate with (normal people or other obstacles), this requires that when designing the sign language interpreter, it is necessary to consider both modes and characteristics of the communication, and find the pain points of both sides and balance them so that everyone in the environment of the sign language translator can get a good experience. To achieve sign language translation, the key step is to recognize sign language gestures(Mhatre and Das). At present, gesture recognition systems are mainly divided into data glove (non-visual) recognition system and visual (image) based sign language recognition system.

1. Data Gloves Sign Language Translator

The data glove-based sign language recognition system uses the data glove and the position tracker to measure the motion trajectory and timing information of the gesture in the space, thereby obtaining the user's hand motion data. The advantage of the data glove-based sign language recognition system is the high recognition rate. The disadvantage is that the sign language person must wear complex data gloves, position trackers, and the input device is expensive. In order to maximize the portability of the sign language translator, a data collection method using bioelectrical signals has gradually developed(McGuire et al.). In 2015, a college student developed a portable wearable sign language gesture translation device. The device consists of two separate modules, left and right. Both modules are designed in the form of a wristband that can be worn on both forearms to capture the surface electromyogram, acceleration and angular velocity signals of the sign language. The right-hand module sends the collected data to the left-hand module via Bluetooth, and the left-hand module simultaneously performs data acquisition and gesture recognition(Maddage). This design provides a possibility for a larger vocabulary wearable sign language translation device, but at the same time it has some shortcomings: the device has high requirements for the accuracy of the opponent's speech, and the muscles are relaxed when the sign language interval is separated. The sign language pauses and the recognition is not coherent. The sign language translator for armbands is easy to carry, but cleaning can be a problem.

2. Visual sign language translator

 There are many researches based on visual sign language translator. Its main working process is: collecting the key points of the hand through the image acquisition device, and then obtaining the gesture data. Then the sign language is visualized or read out by the voice software, otherwise it will be normal(Abe et al.). The conversion of human language into words enables communication between the two parties. Throughout the patent database, we can find that many patents for visual sign language translation related equipment have been added during the period from 2014 to 2015. These patents mainly appear in the following forms: The first one is based on Google glasses, which translates sign language into words. Displayed on the screen or converted into speech, such as a company that applied for a patent in 2015, a kind of smart glasses that assists people with hearing and speech impaired conversations. The working principle is to collect sign language gestures through glasses, through sign language. The recognition can be converted into speech, and the speech can be turned into a sign language gesture into the glasses through processing, so as to realize the barrier-free communication between the hearing and speech impaired person and the blind person and the normal person(Li et al.).

Under the current theme of advocating the design of human texts, the design for the disabled should receive more attention. It is the responsibility of every designer to pay attention to their mental health and quality of life. The design of the sign language translator should also be more humane. It aims not only to change the living conditions of people with hearing and speech impairment through design means, but also to make up for their lack of listening and language skills. It is also necessary to use emotional products to arouse their inner security, belonging sense and a sense of accomplishment, help them have a healthy state of mind. Let the hearing and speech disorder group better integrate into the large group of society.


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