Object Counting

Lattice sensAI Reference Design

Add Object Counting to any Device - This reference design provides an example of how to implement an object counting application based on the Lattice sensAI stack. It includes a SPI, DDR memory interface IP blocks, an image signal processing engine, 8 CNN acceleration engines and a counting and overlay engine to count and indicate how many fruit items were detected.

Optimized Performance with Low Power FPGAs - The reference design is optimized for the ECP5-85 FPGA. While the FPGA logic will be loaded from the external flash memory, the weights and biases are loaded from a SD card, connected to SPI interface.

Features

  • Example reference design for counting objects
  • Uses weights and activation based on a fruit dataset created by Lattice
  • Runs @ 6fps with 224 x 224 RGB Input
  • Total ECP5 power consumption of 0.85 W
  • Internal EBR blocks used to store activations, minimizing DRAM access
Lattice sensAI

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Block Diagram

Video

Object Counting Using ECP5 and CNNsExpand Image

Object Counting Using ECP5 and CNNs

  • This demonstration tallies apples and oranges to demonstrate object counting
  • The inferencing is done using eight Convolutional Neural Networks implemented in the Embedded Vision Development Kit’s ECP5 FPGA
  • Power consumption is less than 1W

Documentation

Quick Reference
Technical Resources
TITLE NUMBER VERSION DATE FORMAT SIZE
ECP5 Object Counting Quick Start Guide
FPGA-AN-02006 1.1 6/17/2019 PDF 1.5 MB
TITLE NUMBER VERSION DATE FORMAT SIZE
Object Counting Using CNN Accelerator IP
FPGA-RD-02058 1.0 5/21/2019 PDF 2.7 MB
Object Counting Using CNN Accelerator IP - Project Files
1.0 5/21/2019 ZIP 213.2 MB


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