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How To Learn Indian Sign Language For Deaf And Dumb

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Indian Sign Language Recognition Method For Deaf People

Learn Deaf And Dumb ( Sign ) Language In Hindi
  • 1. Presentation On Indian SignLanguage Enhanced RecognitionMethods For Deaf People-Anurag Prasad -Takrim Ul Islam Laskar Presented By-
  • 2. Overview Introduction Indian Sign Language Gesture Recognition Working Environment Implementation Conclusion Reference
  • 3. Introduction Indian Sign language is develop for deaf community of India, which can be used as a means ofcommunication between friends and families of deaf people and the deaf people. Sign Language Recognition is one of the most growing fields of research today as well aschallenging too. There are Many new techniques that have been developed recently in this field. In this project ,we are going to develop a system for conversion of Indian sign language to text using OpenCV. It presents a methodology which recognizes the Indian Sign Language and translates into anormal text.
  • 4. Indian Sign LanguageThe following images represent the symbols for their respective English letters representations.Figure 1: ISL Alphabets.
  • 5. Gesture RecognitionGesture recognition is a topic in computer science and language technology with the goal of interpretinghuman gesture via mathematical algorithms.Hardware Tools used in Gesture Recognition:1. Wired gloves2. Stereo cameras3. Controller-based gestures4. Single cameraIn our project we have implemented sign language recognition on a single camera.
  • 10. Figure 4: Blurring. Figure 5: Thresholding.
  • Use Of Sign Languages In Hearing Communities

    On occasion, where the prevalence of deaf people is high enough, a deaf sign language has been taken up by an entire local community, forming what is sometimes called a “village sign language” or “shared signing community”. Typically this happens in small, tightly integrated communities with a closed gene pool. Famous examples include:

    In such communities deaf people are generally well-integrated in the general community and not socially disadvantaged, so much so that it is difficult to speak of a separate “Deaf” community.

    Many Australian Aboriginal sign languages arose in a context of extensive speech taboos, such as during mourning and initiation rites. They are or were especially highly developed among the Warlpiri, Warumungu, Dieri, Kaytetye, Arrernte, and Warlmanpa, and are based on their respective spoken languages.

    Sign language is also used by some people as a form of alternative or augmentative communication by people who can hear but cannot use their voices to speak.

    Some sign languages have obtained some form of legal recognition, while others have no status at all. Sarah Batterbury has argued that sign languages should be recognized and supported not merely as an accommodation for the disabled, but as the communication medium of language communities.

    Advantages Of Learning Sign Language

    The process of learning a sign language requires a lot of patience and practice. It is learnt by the deaf themselves, the family members of the deaf, teachers who deal with children who are disabled as well as by newsreaders who convey the news to the deaf viewers using sign language. Besides them, the deep sea divers also use sign language to communicate under the deep waters where speaking is not possible. The experience of communicating words or feelings through hands, finger spells, facial expressions is quite amazing and thrilling. Some of the benefits of learning the sign language and its usage are as follows:

    Benefits of Sign Language for Autistic ChildrenUse of sign language has proved to be a great boon for the autistic children who find it difficult to express themselves verbally. Research proves that such children, when trained using sign language along with verbal communication, tend to become more receptive and learn to express themselves easily. Training in sign language helps them speak faster and more coherently as the sign language activates the same part of the brain that the verbal language does. Eventually, as the autistic children start expressing themselves effectively, their social interaction is augmented. This further reduces the instances or the possibility of emotional as well as behavioural outbursts and lowers their frustration levels.

    Articles on Education

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    Teaching Country’s Sign Languages In Schools

    Due to much exposure to sign language-interpreted announcements on national television, more schools and universities are expressing interest in incorporating sign language. In the US, enrollment for ASL classes as part of students’ choice of second language is on the rise. In New Zealand, one year after the passing of NZSL Act 2006 in parliament, a NZSL curriculum was released for schools to take NZSL as an optional subject. The curriculum and teaching materials were designed to target intermediate schools from Years 7 to 10, .

    Elevation Of Brain Problems

    Deaf and dumb

    Failure to sense sound in your ear as well as analysis of communication patterns affects brain activities. The brain works with all body senses making it function the right way. However, any alteration of these senses leads to adjustments and the reorganization of brain activities. Deafness and dumbness impact the persons personality, hearing acuity and cognition. This develops a grey matter in the brain that may cause headaches and other related head conditions. Again, instances of dementia and decline of cognitive functions have been reported

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    Relationships With Spoken Languages

    There is a common misconception that sign languages are somehow dependent on spoken languages: that they are spoken language expressed in signs, or that they were invented by hearing people. Similarities in language processing in the brain between signed and spoken languages further perpetuated this misconception. Hearing teachers in deaf schools, such as or Thomas Hopkins Gallaudet, are often incorrectly referred to as “inventors” of sign language. Instead, sign languages, like all natural languages, are developed by the people who use them, in this case, deaf people, who may have little or no knowledge of any spoken language.

    As a sign language develops, it sometimes borrows elements from spoken languages, just as all languages borrow from other languages that they are in contact with. Sign languages vary in how much they borrow from spoken languages. In many sign languages, a manual alphabet may be used in signed communication to borrow a word from a spoken language, by spelling out the letters. This is most commonly used for proper names of people and places it is also used in some languages for concepts for which no sign is available at that moment, particularly if the people involved are to some extent bilingual in the spoken language. Fingerspelling can sometimes be a source of new signs, such as initialized signs, in which the handshape represents the first letter of a spoken word with the same meaning.

    Dynamic Indian Sign Language Character Recognition: Using Hog Descriptor And A Customized Neural Network

    M. Niranjan, J. Ajtih, S. Padmavathi



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    Breach The Wall Of Silence: Give State Recognition To Indian Sign Language

    Aasheesh Sharma

    Between 2007 and 2012, while studying at Delhi Universitys St Stephens College and the Delhi School of Economics, Nipun Malhotra, chief executive of Nipman Foundation, doesnt remember coming across any deaf students. Looking back, the 31-year-old disability rights activist says the countrys population of deaf and speech disabled remains invisible at institutions of higher learning since most of them even fail to even complete school.

    Last week, the Delhi High Court issued a notice listing a PIL filed by Nipun Malhotra seeking official recognition of ISL. Finally, the government, too, appears to be waking up to this. On September 23, minister of state for social justice and empowerment Krishan Pal Singh Gurjar said he would write to home minister Rajnath Singh to request that ISL be made an official language. The ministers initiative is welcome. This will bring Indias hearing-impaired community a step closer to having their only method of interaction recognised by the government. Once it is listed as an official language, the Union government can promote and develop sign language in an official capacity. It can then be used to conduct UPSC examinations, among others, and qualify for printing on currency notes.

    Reduces Risk Of Illnesses

    Indian Sign Language | Chapter 13 | Hearing & Speech Impairment| Deaf and Dumb

    Studies have shown that deaf people with untreated hearing problems are on the risk of developing dementia and slow cognitive functioning. However, the use of hearing aids has proven to help in the reduction of contracting dementia and promote cognitive function. Besides, it helps in affecting atrophy while maximizing the hearing ability.

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    Help Deaf And Dumb Live A Good Life

    There are several ways to help a hearing-impaired and dumb person enjoy life despite these challenges. Begin with helping them through difficult times, such as when communicating with those unfamiliar with sign languages. Stay close to them and guide them on things they are unable to hear. Keeping them company promotes positive emotions while developing their mind. Again, it builds their self-esteem and confidence, enabling them to grow a positive attitude towards life.

    How To Learn Sign Language For Deaf And Dumb

    Sign language is the language that is written with the help of signs or is described with the help of signs. Generally, when a deaf and dumb comes to you, he or she tries to make you understand by making gestures with fingers and hands, this is also a kind of sign language and the ones bought in use by terrorists to send their messages with special designed codes is also sign language. In order to learn sign language, you can adopt following ways:-

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    History Of Sign Language

    The recorded history of sign language in Western societies starts in the 17th century, as a visual language or method of communication, although references to forms of communication using hand gestures date back as far as 5th century BC Greece. Sign language is composed of a system of conventional gestures, mimic, hand signs and finger spelling, plus the use of hand positions to represent the letters of the alphabet. Signs can also represent complete ideas or phrases, not only individual words.

    Most sign languages are natural languages, different in construction from oral languages used in proximity to them, and are employed mainly by deaf people in order to communicate.

    Special Features Of The School

    Alphabet for the Deaf and Dumb.
    • Most of its students come from slum colonies and poor families.
    • Location of the school makes it easy for the benefit from the special free education provided to deaf and mute children by the school.
    • The school tries to create awareness in the society about the causes of deafness i.e. mal-nutrition, lack of medical guidance, healthcare of mother and children at appropriate time during pregnancy and early childhood.
    • The school enjoys reputation which attracts trainees for practical training for the last 10 years on regular basis for the institution like Aliyavar Jung National Institute for Hearing Handicapped and other public schools.

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    Good Wishes & Blessings

    • It was a pleasure to visit the school campus and attend an annual day function. It was a delight to watch children performing so well.

      Arvinder Singh Lovely

      Ex Education Minister, INC

    • It was a great privilege to be a part of the Annual Day Celebrations. Children perform very nicely which showed a great effort and commitment of teachers and caregivers. IAP Delhi would like to be a part of any endeavor to detect such children at an early age so that these children can be integrated to regular schooling. My heartiest congratulations and wishes to all teachers, staff, and children.

      Dr. Ajay Kumar Gupta

      Hon’ble Secretary, IAP Delhi

    • Our visit to your school was heartwarming. It was amazing to see how the children signed the Indian anthem. We also had the honor to teach the children our Israeli anthem. Thank you for welcoming us to your special school.


    Language Endangerment And Extinction

    As with any spoken language, sign languages are also vulnerable to becoming endangered. For example, a sign language used by a small community may be endangered and even abandoned as users shift to a sign language used by a larger community, as has happened with Hawai’i Sign Language, which is almost extinct except for a few elderly signers. Even nationally recognised sign languages can be endangered for example, New Zealand Sign Language is losing users. Methods are being developed to assess the language vitality of sign languages.

    Endangered sign languages

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    What Is Sign Language

    Sign language is the bridge that connects us to the world of those who have an impaired hearing or verbal ability. An array of gestures made using hands, fingers, arms, head and facial expressions besides symbols constitute a sign language. It helps the deaf and the dumb to communicate with the people around them and vice versa. It enables them to understand the world around them through visual descriptions and in turn, contribute to the society. Heather Whitestone became the first deaf woman to win the Miss America pageant in the year 1995 proving to the world that such people can thrive equally well. Helen Keller is considered to be the first woman who was educated in spite of being deaf and blind using sign language.

    Sign language is based on ideas rather than words. It is a language that cannot be written and comprises of 26 hand symbols each representing one alphabet. These symbols are conveyed using fingers and words are spelt. Words or names are expressed using a combination of finger spellings as well as gestures. Over the period of time standard sign languages, namely American Sign Language and British Sign Language have developed and are used by the deaf. Many deaf schools use a technique called total communication which implies the use of ASL or BSL, oral speech and lip reading.

    Provide Deaf And Dumb With Hearing Aid Devices

    Indian Sign Language recognition (ISL) for deaf and dumb people with python using Bag of words

    When someone is deaf and dumb, they face more challenges than those suffering from either of the two. Introducing hearing aids to such a group can enhance their communication, depending on their unique circumstances. These devices help in passing sound into the inner ear that triggers hearing sounds to pick sound waves. As a result, a deaf person can hear and respond despite the inability to speak.

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    Development Of Sign Language

    Reduccion de las letras y arte para enseñar a hablar a los mudos

    One of the earliest written records of a sign language is from the fifth century BC, in Plato‘s Cratylus, where Socrates says: “If we hadn’t a voice or a tongue, and wanted to express things to one another, wouldn’t we try to make by moving our hands, head, and the rest of our body, just as dumb people do at present?”

    The next earliest use of sign language was recorded in 60 A.D. The first chapter of the Gospel of Luke relates that the angel Gabriel rendered Zacharias, the father of John the Baptist, unable to speak because of his unbelief. In Luke 1:62 it is recorded, “And they made signs to his father, how he would have him called.” The word “signs” in this passage is translated from the Greek word, enneuo, meaning: to nod at, i.e. beckon or communicate by gesturemaking signs. There are two additional recorded references of a similar Greek word found in the New Testament in John 13:24 and Acts 24:10.

    In the Middle Ages, monastic sign languages were used by a number of religious orders in Europe. These were not true “sign languages”, however, but well-developed systems of gestural communication. Moreover, they did not take vows of total silence – despite popular belief, vows of total silence were only developed by some orders starting in the 17th century. The Rule of St. Benedict only forbade conversation in certain parts of the monastery or during certain hours of the day.


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  • All About Indian Sign Language

    Indian Sign Language is a well-structured and coded gesture.

    Every gesture has a fixed meaning to it.

    It can be used to express complex meanings by combining basic elements.

    Sign Language is the only means of communication for deaf people.

    In the past years, there has been an increased interest among researchers in the field of sign language recognition.

    One of which is to introduce means of interaction from human to computer.

    Deaf and Dumb people rely on sign language interpreters for communication.

    Finding experienced and qualified interpreters for their daily communication throughout life is a very difficult task and also unaffordable.

    Hence, a human to computer interaction system will prove to be a reliable and consistent solution in the future for deaf and dumb people.

    Many types of research took place in this area that has been carried out for more than twenty years.

    Sign Language is the only fully accessible language for deaf persons.

    Learning Indian sign language help a deaf person connect with other deaf person and the larger deaf community.

    For a hearing person, learning Sign Language is an entirely different experience.

    But it is still a great process that results in learning a new language. To be able to communicate with the deaf and hard of hearing people in ones community.

    Sign Language & Orientation:

    Learning Indian Sign Language is a necessity for a deaf person. This helps him/her connect with other Deaf persons and the larger Deaf community.

  • The basic,
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