A Review for Sign Language Recognition Techniques

The basic features of communication between human being characterized by human language. Many people are disabled due to hearing impairment, and they lose the ability to communicate through human language, so Where deaf people communicate through sign language. One specific field of interest is sign language recognition. This research explains an overview of Sign Language, gestures, and the most important techniques used to distinguish Sign Language. The presentation and explanation of Sign Language recognition methods are introduced. The accuracy is stated for each method. According to the main categories of these techniques many researchers have been presented. Each technique has some advantages and disadvantages or limitations. Signal-based communications are tools for deaf individuals that can be used for their correspondence, data collection and access, and instruction needs, among other things.