Review of an Accelerometer Based Digital Pen with Trajectory recognition Algorithm for Handwritten Digit and Gesture Recognition. Int. J. Curr. Eng. Technol. [Internet]. 2014 Aug. 31 [cited 2026 Apr. 12];4(4):2396-400. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/1052