Skip to main content

Table 7 Specifications of neural network-based FPGA face detector

From: Performance Analysis of Bit-Width Reduced Floating-Point Arithmetic Units in FPGAs: A Case Study of Neural Network-Based Face Detector

Feature

Specification

FPU Bit-width

32, 24, 20, 16, 12

Frequency

48/58/77/80/85 MHz

Slices (Xilinx Spartan)

1077/878/750/650/556 (FPU32 / FPU16)

Arithmetic unit

IEEE 754 single precision with bit-width reduced FPU

Networks

2 Layers (400/300/1 node)

Input Data Size

20×20 (400 pixel image)

Operating Time

8.7/7.4/5.5/5.3/5 ms/frame

Frame Rate

114/136/182/190/201 seconds