Face Recognition Access Control: Functions and Benefits

Overview of face recognition access control systems: hardware, management platform, infrared imaging, centralized permissions, and deployment use cases.

Why Capacitive Touchscreens Don’t Work with Gloves

Overview of resistive touchscreen vs capacitive touchscreen operation, stylus input, why nonconductive gloves fail, and water effects on touch and fingerprint sensors.

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.

Major Face Recognition Methods

Technical overview of regional feature methods in face recognition, comparing geometric features, PCA/eigenfaces, neural networks, elastic graph matching, LHD and SVM.

Advantages of Face Recognition vs Fingerprint Recognition

Overview of face recognition systems: biometric image-processing, real-time 3D identification, template storage and access control, with comparison to fingerprint recognition.

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.

How Fingerprint Unlock Works

Overview of fingerprint recognition: pattern types, optical/capacitive/RF capture methods, processing workflow from quality evaluation to feature extraction and matching.

Face Recognition: Principles and Process

Face recognition primer describing the technical pipeline: image acquisition and detection, data preprocessing, feature extraction, and similarity-based matching.

Gesture-Based Interfaces Beyond Multi-Touch

Guide to electric-field sensing for touchless 3D gesture recognition using Microchip's MGC3030 (GestIC): sensor design, electrodes, and implementation tips.

How Multitouch Is Implemented on Smartphones

Technical overview of multitouch technology, covering sensing mechanisms (FTIR, LLP, optical) and implementation trade-offs for gesture recognition and axis-based systems.

How Facial Recognition Turnstiles Work

Overview of facial recognition turnstiles for access control and attendance tracking in construction sites and factories, system components, workflows, and configurations.

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.

Why modern touchscreens no longer need calibration

Explains why early resistive touchscreens required user calibration and why modern capacitive touchscreens typically avoid calibration by using capacitance-based position sensing.

Adding Capacitive Touch to Cooktops

Technical overview of capacitive touch for cooktops: CapTIvate implementation, design challenges, guard channels, assembly tolerances, false-touch prevention, and EMC.

Single-point, Point, and Multi-touch: Key Differences

Technical overview of multi-touch systems covering sensor types, full-position sensing, gesture recognition, architectures, and real-world applications.

Capacitive MCU Touch Sensing Solutions

Overview of capacitive touch implementations on MCUs, comparing CVD, CTMU, dedicated peripherals (SCU, TSI) and software stacks, with tradeoffs in keys, latency, and power.

Common Touchscreen Faults and Maintenance

Guide to touchscreen troubleshooting and maintenance for SAW, five-wire resistive and infrared types: causes, calibration steps, LED diagnostics and hardware checks.

Limitations of Face Recognition Technology

Overview of face recognition: process, application categories, accuracy limits, unresolved challenges like occlusion and aging, and security considerations.

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.

Fingerprint Recognition in Smart Door Locks

Overview of fingerprint recognition methods - capacitive, optical, ultrasonic - covering sensing principles, pros/cons, robustness to contamination and anti-spoofing tradeoffs.