A real time hardware design for bilateral filtering

Bilateral filtering is a widely used video image filtering method, but its computational complexity is high, which is not conducive to hardware real-time applications. Therefore, this paper presents a hardware structure of bilateral filtering for real-time applications of high-definition images. Our hardware design mainly includes lookup table structure and parallel structure designs, respectively. Based on the Vivado HLS evaluation, the experimental results show that the hardware structure of this paper can meet the real-time application of bilateral filtering in high-definition video images.