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Event-Based Sensing and Photon-Level Imaging Systems

7 chapters · 33 lessons

1. 1. From Brightness to Events: Sensor Architectures for Timing and Counting

   5 lessons

   Understand how conventional, event-based, and photon-counting sensors differ in what they measure and when timing or sensitivity justifies architectural complexity.

2. 2. Photon Event Detection: Avalanche, Quench, and Reset Circuits

   4 lessons

   Learn how SPAD pixels trigger, quench, and reset to turn single photons into digital events with nanosecond timing precision.

3. 3. In-Pixel and On-Sensor Processing: Counting, Gating, and Histogramming

   5 lessons

   Design circuits and logic that count events, apply time gates, and build histograms directly in or near the pixel array to reduce data movement.

4. 4. Time-of-Flight and Depth Sensing with Photon Timing

   5 lessons

   Apply photon event timing to measure distance, build depth maps, and integrate time-of-flight data into perception pipelines.

5. 5. Low-Light and High-Speed Perception for Robotics and Autonomous Systems

   4 lessons

   Leverage photon-level sensitivity and event timing to enable perception in darkness, detect fast motion, and reduce illumination power.

6. 6. Edge Processing Pipelines: Extracting Features Before Data Leaves the Chip

   5 lessons

   Architect systems that compute depth, motion, or statistical features on-sensor to lower latency, bandwidth, and power in edge AI applications.

7. 7. System Design and Application Selection for Photon-Counting Sensors

   5 lessons

   Evaluate when photon-counting or event-based sensors justify cost and complexity, and design end-to-end systems for scientific, industrial, and consumer applications.