Communityedge detectioncomputer visionesp32embedded vision
ESP32-S3 Runs Sobel Edge Detection Near-Real-Time
5.0
Redditor luismi_kode recently demonstrated that an ESP32-S3 microcontroller on a Kode Dot device can run a Sobel edge-detection algorithm in near real-time. The build uses an OV2640 camera and a 2.13-inch AMOLED display, downsamples images to 160x120 and converts to grayscale to reduce computation, highlighting practical low-power computer-vision on constrained hardware.
Key Points
- 1Demonstrates ESP32-S3 running Sobel edge detection in near real-time on Kode Dot.
- 2Reduces compute needs by downscaling to 160x120 and using grayscale preprocessing.
- 3Enables low-power, embedded computer-vision prototypes using commodity microcontrollers and camera modules.
Scoring Rationale
Useful demonstration of embedded vision but limited novelty and scope as a single hobbyist project.
Sources
Public references used for this report.
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