Table 1 Details of dataset.

From: IoT-driven smart assistive communication system for the hearing impaired with hybrid deep learning models for sign language recognition

Phrases

Class labels

Images for phrases

Again

C-1

40

Agree

C-2

40

Answer

C-3

40

Book

C-4

40

Break

C-5

40

Careful

C-6

40

chat

C-7

40

Email

C-8

40

Good morning

C-9

40

Happy birthday

C-10

40

How are you

C-11

40

Hungry

C-12

40

I Need Help

C-13

40

Practice

C-14

40

Problem

C-15

40

Question

C-16

40

Sick

C-17

40

Sun

C-18

40

Together

C-19

40

Wait

C-20

40

Total number of images

800