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Jason DuanOct 13 · 3 min read

Vision-Guided Grasping and Real-Time Hand Tracking for a Robotic Gripper

Using YOLOv8, OpenCV, and MediaPipe to connect camera perception with a three-finger robot. Tech stack: Python, YOLOv8n, OpenCV, MediaPipe, JSON-based interprocess communication During my summer 2026

summerproject1.hashnode.dev

Vaibhav HaldiaOct 6 · 4 min read

Your Photos Are Just Spreadsheets in Disguise

Quick confession: for a long time, I thought computer vision was wizardry. Face unlock, self-driving cars, that app that tells you which dog breed your neighbor's puppy is. Magic, right? Then I opened

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Muhammad Ariel ShakaramiroSep 13 · 20 min read

Computer Vision for Beginners: From Pixels to Building Your Own API (OpenCV + FastAPI)

🧠 TL;DR — A digital image is just a bunch of numbers arranged in a matrix. Once that clicks, everything else in Computer Vision — grayscale, convolution, even CNNs — starts making a lot more sense. I

shaka-ai.hashnode.dev

circuitrocksAug 20 · 3 min read

Build a Raspberry Pi Iris Colour Detector with OpenCV

A single push button, a camera, and a free Saturday are enough to build something that reads the colour of your eye and files it into one of seven categories. That is what Srikrishna Karthick put toge

circuitrocks.hashnode.dev

AkashAug 5 · 15 min read

Real-Time Facial Emotion Detection with Deep Learning: A Complete Guide

I originally played around this project in college for learning, and I’m now sharing them to reflect on and share that experience Understanding human emotions is a cornerstone of artificial intellige

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Martin DelophyJul 29 · 8 min read

Building Stable Video Portrait Outlines in the Browser with MODNet, SlimSAM, MediaPipe, and Optical Flow

A portrait outline effect looks simple: find a person and draw a line around them. In real video, however, the problem quickly expands into subject identity, fine matting, temporal stability, occlusio

martindelophy.hashnode.dev

circuitrocksJul 21 · 3 min read

PocketBeagle 2 Security Camera: Fully Offline, No Cloud

Want a home security camera that never sends a single frame to the cloud? Here is the parts pile to make it happen: a PocketBeagle 2 single-board computer, a camera module, an 18650 cell for backup po

circuitrocks.hashnode.dev

circuitrocksJul 20 · 2 min read

Build a Fully Offline Privacy Security Camera on PocketBeagle 2

Want a security camera that never phones home to a stranger's server? Here is the parts list to start: a PocketBeagle 2 single-board computer, a camera module, an 18650 lithium cell for backup power,

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circuitrocksJul 18 · 2 min read

PocketBeagle 2 Powers an Offline, Privacy-First Security Camera

Cloud security cameras keep landing in the news for the wrong reason: strangers watching feeds they were never meant to see. A growing group of makers has answered by pulling the camera off the intern

circuitrocks.hashnode.dev

circuitrocksJul 17 · 2 min read

Build an Offline Privacy Security Camera on PocketBeagle 2

Give your weekend to a build that pays you back every day it runs: a security camera that never phones home. Clem Mayer got tired of trusting cloud services with a live view inside his house, so he bu

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Trending tags this week

Vision-Guided Grasping and Real-Time Hand Tracking for a Robotic Gripper

Your Photos Are Just Spreadsheets in Disguise

Computer Vision for Beginners: From Pixels to Building Your Own API (OpenCV + FastAPI)

Build a Raspberry Pi Iris Colour Detector with OpenCV

Real-Time Facial Emotion Detection with Deep Learning: A Complete Guide

Building Stable Video Portrait Outlines in the Browser with MODNet, SlimSAM, MediaPipe, and Optical Flow

PocketBeagle 2 Security Camera: Fully Offline, No Cloud

Build a Fully Offline Privacy Security Camera on PocketBeagle 2

PocketBeagle 2 Powers an Offline, Privacy-First Security Camera

Build an Offline Privacy Security Camera on PocketBeagle 2