Under-display Fingerprint Sensors: Operation and Challenges

Technical overview of under-display fingerprint sensing, focusing on optical approaches, OLED compatibility, vendor landscape, and integration challenges.

Capacitive Touch Fundamentals and Two Sensing Types

Technical overview of capacitive sensing methods and sensor geometries, explaining self-capacitance and mutual-capacitance principles and 0D-3D touch sensors.

Iris Recognition for Smart Door Locks

Iris recognition for smart locks: technical advances - extended recognition range, self-tracking and dynamic matching - improving security and anti-spoofing.

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 the Touchscreen Was Invented

Technical overview of touchscreen history and evolution, from Johnson's early prototype to Hurst's resistive touchscreen, adoption, materials, and multi-touch trends.

Gesture Recognition for AR VR XR and Metaverse Immersion

Discover how gesture recognition drives AR VR XR and Metaverse interactions. Understand key chip technology, human computer interaction channels, and how sensing enhances immersive experiences in virtual and real worlds.

Facial Recognition Applied to Brown Bears

BearID applies facial recognition and machine learning to identify brown bears from camera traps, estimate population sizes, and enable on-site Raspberry Pi analysis.

Why Iris Recognition Is Not Widely Adopted

Analysis of iris recognition challenges, advantages and comparison with face recognition, covering accuracy, spoof resistance, cost, device dependence and deployment trade-offs.

Face recognition: implementation and common models

Overview of common face recognition models (VGGFace, FaceNet, ArcFace, OpenFace, Dlib) and the implementation pipeline: detection, feature extraction, matching.

Is Iris Data Collection Dangerous? Iris vs Face Recognition

Technical overview of iris recognition: capture, feature extraction, matching, security and privacy considerations, and comparison with face recognition for authentication.

Biometric Information: Basics of Biometric Recognition

Overview of biometric information, common modalities (fingerprint, iris, face, voice), principles and system workflow from data collection to feature extraction and matching.

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.

How Capacitive and Other Touchscreens Detect Input

Technical overview of capacitive screen operation and touchscreens: capacitive sensing, sensor arrays, multi-touch, plus resistive and pressure-based detection methods.

Smartphone Touchscreen Unresponsive: Causes and Fixes

Practical troubleshooting for unresponsive or erratic touchscreen touch input: causes, cleaning, recalibration, software updates, and hardware diagnostics.

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.

Common Touchscreen Technologies and How Mobile Touchscreens Work

Overview of common touchscreen technologies and how mobile touch works, explaining capacitive and resistive touchscreen principles, SAW, optical and light-guide methods.

How Touchscreens Detect Input: Principles and Applications

Explains how capacitive touchscreens detect touch by measuring changes in capacitance, outlines front-panel sensors, control circuitry, resistive/SAW types and common applications.

Face Recognition Access Control: Operation and Pros/Cons

Overview of face recognition access control: operation steps, feature extraction and matching, liveness detection, logging, management, and key advantages and limitations.

How Smartphone Touchscreens Detect Touch

Smartphone touch sensing overview: capacitive, resistive, surface acoustic wave, and optical methods; touch sensing principles and causes/remedies for touchscreen failure.

Human-Computer Interaction: Roles and Main Interaction Methods

Overview of human-computer interaction (HCI): principles, roles and main interface types—GUI, voice, touch, gesture, VR/AR and brain-computer interfaces.