[20a-PA1-1~12] 3.3 Information photonics and image engineering

[20a-PA1-8] Implementation of FPGA-Based LED Driving Circuit for Subjective Super-Resolution Display of Grayscale Images

〇(B)Kojiro Matsushita¹, Toyotaro Tokimoto³, Kengo Fujii¹, Hirotsugu Yamamoto^1,2 (1.Utsunomiya Univ., 2.JST,ACCEL, 3.DaoApp Technology Co, Ltd.)

Keywords:Subjective Super-Resolution, LED, FPGA

Subjective super-resolution refers to a display method in which image data adjacent to a low-density LED element is switched at high speed to be displayed to give an illusion of resolution higher than that of an actual LED panel. The purpose of this paper is to implement subjective super-resolution display in grayscale on a high-speed LED panel. FPGA (field-programmable gate array) is used to control an LED panel at an extremely high frame rate. The averaged image display and the subjective super-resolution display were compared. Observers perceived that the subjective super-resolution display represents more smooth fonts.