https://b3nsh4.com/tags/computer-vision/ Recent content in Computer Vision on b3nsh4 Hugo -- 0.157.0 en-us Fri, 15 Dec 2023 19:28:07 +0530 https://b3nsh4.com/blog/2023/optical-thermal-coordinate-mapping/ Fri, 15 Dec 2023 19:28:07 +0530 https://b3nsh4.com/blog/2023/optical-thermal-coordinate-mapping/ <p>Back in 2022 I worked on a project with an ESP32 board with two sensors - an OV2640 optical camera and an MLX90640 low-resolution thermal sensor. The camera will give an MJPEG stream, and the thermal sensor returned a 32 x 24 array of temperatures on every HTTP request. On the server side, a Python app read the stream with OpenCV, ran a TensorFlow Lite object detection model on each frame, and showed the result in a small Flask UI. See the <a href="https://youtu.be/pg1XAxbNIMg?si=8gtxFP9p8VLNB2-z" target="_blank" rel="noopener">YouTube video</a> i uploaded</p>