2022
DOI: 10.1038/s41598-022-15864-6
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Vision-based Pakistani sign language recognition using bag-of-words and support vector machines

Abstract: In order to perform their daily activities, a person is required to communicating with others. This can be a major obstacle for the deaf population of the world, who communicate using sign languages (SL). Pakistani Sign Language (PSL) is used by more than 250,000 deaf Pakistanis. Developing a SL recognition system would greatly facilitate these people. This study aimed to collect data of static and dynamic PSL alphabets and to develop a vision-based system for their recognition using Bag-of-Words (BoW) and Sup… Show more

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Cited by 7 publications
(3 citation statements)
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“…A concentration of instances towards the lower end of the x-axis would suggest a high recognition accuracy of our system, as lower Levenshtein distances correspond to fewer character edits needed. Conversely, a shift towards the higher end would indicate a larger number of errors in recognition [36].…”
Section: Resultsmentioning
confidence: 99%
“…A concentration of instances towards the lower end of the x-axis would suggest a high recognition accuracy of our system, as lower Levenshtein distances correspond to fewer character edits needed. Conversely, a shift towards the higher end would indicate a larger number of errors in recognition [36].…”
Section: Resultsmentioning
confidence: 99%
“…Many types of SLs have been used in previous studies based on countries and spoken languages. Languages used in SL research are numerous including American [16,22,[41][42][43][44][45][46], Mexican [47], Arabic [3,7,10,11,39,40,48,49], Algerian [50], Pakistani [51], Indian [52][53][54], Bangla [55], Chinese [56,57], Indonesian [58], Italian [23], Peruvian [59], Turkish [34], and Urdu [24]. Based on [60], which analyzed SL classification research studies published from 2014 to 2021, another breakdown of literature works was presented according to the local variation in the SL they referred to.…”
Section: Overview Of Sl Classification Research Based On Languagesmentioning
confidence: 99%
“…Samples in SL datasets can be grayscale or RGB format. Any researcher interested in this field can obtain an SL dataset from online repositories such as Kaggle or by building a dataset [3,[33][34][35]51,63,64]. Table 3 summarizes various datasets in terms of isolated vs. continuous, static vs. dynamic, language, recognition model, lexicon size, acquisition mode, signs, signers, single vs. double handed, and background conditions.…”
Section: Overview Of Sl Classification Research Based On Datasetsmentioning
confidence: 99%