How License Plate Recognition Works

Overview of license plate recognition: image preprocessing, plate localization, character segmentation and recognition, and applications in traffic management.

How Face Recognition Devices Work and Their Uses

Overview of face recognition devices: 3D image processing, face localization, preprocessing and matching workflows, and applications in access control and attendance systems.

Gesture Sensing with ams TMG4903 Optical Module

Overview of non-contact gesture recognition for wearables, comparing the ams TMG4903 optical sensing module and a low-cost breakout board for prototyping.

Is an Unresponsive Touchscreen Caused by the Outer or Inner Screen?

Guide to diagnosing touchscreen failure and recovery: causes, impacts, troubleshooting steps (clean, restart, update) and when to seek professional repair.

Stretchable Multichannel sEMG Array for Gesture Recognition

Stretchable bipolar sEMG electrode array with onboard Bluetooth and a graph neural network (GNN) using self-attention to classify 18 static and dynamic gestures.

Types of Capacitive Touchscreens

Technical overview of capacitive touchscreen structure, working principle, contact diameter, and response time, and their impact on sensitivity and perceived responsiveness.

Origins and Future of Touchscreens

Technical overview of touchscreens: history, commercial adoption, material evolution and future trends focused on flexibility, low power displays, and multi-touch interaction.

How Face Recognition Works and Its Pros and Cons

Overview of face recognition: detection, feature extraction, template matching and decision logic; discusses accuracy factors, privacy risks, bias, and deployment trade-offs.

Is Haptic Feedback Useful for Touchscreen Vibration

Analysis of Force Touch and refined haptic feedback: human perception, actuator options (ERM/LRA), and software integration for tactile interfaces and applications.

Multi-Touch Functionality in Mobile Phones

Technical overview of multi-touch technology: multi-point input, gesture recognition, and common implementations (LLP, FTIR, optical) for interactive displays.