Research Article

An Efficient FPGA Implementation of Optimized Anisotropic Diffusion Filtering of Images

Table 1

Runtime comparison between acceleration rates of our proposed hardware implementation of anisotropic diffusion filter for different image resolutions.

Image
resolution
Software execution
time (seconds)
Hardware execution
time (seconds)
Accelerate
rate

150 × 150 0.101 0.0011 (0.101/0.0011) = 91
512 × 512 0.402 0.0131 (0.402/0.0131) = 30