Table 1: Features of the FPGA Prototypes.

FeatureFixed-support-based architectureADSW-based architecture

Adopted algorithmSAD-based Fixed-support algorithmAdaptive-support weight algorithm
Image size pixels (8-bit grayscale) pixels (24-bit RGB color images)
Disparity range12064
Support window size
DeviceVirtex-5 LX110T FPGAVirtex-5 LX110T FPGA
Frequency100 MHz155 MHz
Memory bandwidth32 bits/cycle48 bits/cycle
Processing speed150 fps30 fps