Dadang Iskandar Mulyana; Tri Wahyudi; Dwi Swasono Rachmad; Muhammad Khalid
Gesture recognition technology is used to detect movements through image processing, enabling computers or digital devices to understand and interpret human body movements as input or commands. This technology has great potential to bridge communication between the deaf community and individuals without hearing impairments, enhancing interaction and enriching mutual understanding between the two. However, the accuracy ofgesture recognition is often affected by variations in the distance between hand landmarks. Based on this problem, this research proposes a methodfor stabilizing the measurement of distances between landmark points in gesture recognition through a polynomial regression approach. Specifically, the distance between hand landmarks is calculated and stabilized using polynomial regression to improve the accuracy of gesture recognition. This method is implemented using the MediaPipeframework to detect and track hands in real-time, and the OpenCV library to manage video. The research results show that this approach can significantly improve the stability and accuracy of gesture detection. The developed system successfully detects gestures for letters A through F with a high accuracy rate, averaging above 98,3%. The use ofpolynomial regression helps enhance detection accuracy by reducing noise in the landmark data.