Case Study · Indian Cashew Processing Industry

FPGA-based cashew grading — 10 cashews/sec automated.

Designed a vision + FPGA system to automatically detect cashew grade by size, remove bad-quality nuts, and divert them into the correct container at 10 cashews per second.

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Industry

Manufacturing

Region

Year

2022

Business requirements & challenges

Detect cashew grade by size and quality via image processing
Design hardware to host the algorithm + camera interface
Process 10 cashews/sec — beyond traditional processor capability
Singulate cashews so only one is in the camera frame at a time

Solution

Conveyer-belt singulation gets one cashew in frame at a time. The custom FPGA board hosts the detection algorithm and achieves the required frame rate. Based on the grade decision, cashews divert to the correct container automatically.

Conveyer-belt singulation for single-cashew framing
Custom FPGA-based board for high frame-rate processing
10 cashews/sec achieved — extensible with better optics
Automated divert to grade-specific containers

Business benefits

Higher accuracy and efficiency in cashew grading
End users earn premium for high-quality grading
Reduces manual labour cost in the grading line

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FPGA-based cashew grading — 10 cashews/sec automated.

Business requirements & challenges

Solution

Business benefits

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FPGA-based cashew grading — 10 cashews/sec automated.

Business requirements & challenges

Solution

Business benefits

More from manufacturing.

Real-time multi-object detection for autonomous vehicles

Make this kind of impact at your organisation.