Interactions between cultural heritage, tourism, and pedagogy deserve investigation in an as-built environment under a macro- or micro-perspective of urban fabric. The heritage site Shih Yih Hall, Lukang, was explored. An Augmented Reality Tourism System (ARTS) developed on smartphone-based platform for novel application scenario using 3D scans converted from point cloud to portable interaction size. ARTS comprises real-time viewing module, space-switching (AR) guide graphic module. system...

With its lossless properties, zero-watermarking has attracted a lot of attention in the field copyright protection for vector maps. However, common algorithm puts too much emphasis on mining global features, making it vulnerable to cropping attacks, and robustness is not comprehensive enough. This study provides map scheme that utilizes spatial statistical information frequency domain transformation methods an effort solve aforementioned issue. In order make more resistant compression,...

The synchronization of 15 parallel high gain gallium arsenide photoconductive semiconductor switches (GaAs PCSS) has been researched aiming to get higher output voltage. Each PCSS is triggered independently by a power pulse laser diode. width, energy, peak power, and central wavelength the are approximately 18 ns, 360 μJ, 20 kW, 905 nm, respectively. In stacked Blumlein transmission lines structure, synchronous conduction GaAs PCSSs achieved offering optimized bias voltage parameters. method...

K-pass pixel value ordering (PVO) is an effective reversible data hiding (RDH) technique. In k-pass PVO, the complexity measurement may lead to a weak estimation result because unaltered pixels in block are excluded estimate complexity. addition, prediction-error computed without considering location relationship of second largest and or smallest pixels. To this end, improved RDH technique proposed paper enhance embedding performance. The improvement mainly lies following two aspects. First,...

After conducting deep research on all existing reversible data hiding (RDH) methods based Alattar’s integer transform, we discover that the frequently-used method in obtaining difference value list of an image block may lead to high embedding distortion. To this end, propose improved transform-based-RDH-method. Firstly, irregular partition which makes full use correlation between two neighboring pixels is proposed increase performance. Specifically, each composed a center pixel and several...

This paper introduces an interactive music tempo control with closed-loop heart rate feedback to yield a sportsperson better physio-psychological states. A total of 23 participants (13 men, 10 women; 16–32 years, mean = 20.04 years) who are professionals or school team members further guide amend their physical harmonize psychological and The self-tuning mechanism between the surroundings human can be amplified using control. experiments showed that listening had significant effect on rating...

This research proposes a music-adaptive IoT exercise system integrating edge computing and blockchain technology to enhance middle-distance running exercise. The personalizes music tempo based on real-time biosignals provide tailored experience. Experiments demonstrate that adaptive significantly augments users' physiological, psychological, behavioral responses compared no music, improving engagement effectiveness. overcomes limitations in existing solutions regarding personalization,...

Prediction of students' engagement in a Collaborative Learning setting is essential to improve the quality learning. learning strategy through groups or teams. When cooperative behavior occurs, each student group should participate teaching activities. Researchers showed that students who are actively involved class gain more. Gaze and facial expression important nonverbal indicators reveal collaborative environments. Previous studies require wearing sensor devices eye tracker devices, which...

Accurate positioning in global navigation satellite system (GNSS)-denied environments, such as tunnels and underpasses, remains a challenge. Navigation systems for environments need to strike balance between price precision. In this paper, we propose magnetic vehicular (MVP), that guides drivers GNSS-denied environments. The key idea of MVP is extract fingerprints from geomagnetic field anomalies. By comparing the measured against map, can be achieved without GNSS signals. Our proposed...

Advances in conventional industrial controllers have led to new technologies such as multilanguage use, cross-platform applications, and remote monitoring control. However, the human-machine interfaces (HMIs) of mobile devices cannot directly transmit instant messages each other. This study describes a simple method upgrading HMIs into capable Web-based access. The began with development model-view-controller architecture consisting Hypertext Markup Language, Cascading Style Sheets,...

This study explores the effectiveness of a music-assisted IoT exercise system specifically designed for mid-distance running. The primary objectives are to augment sports experience, facilitate recovery, and surpass benefits provided by existing solutions. ensures personalized experience through real-time music tempo adaptation according heart rate (HR), tracking, customizable selection, adjustable parameters, voice recognition technology effortless completion questionnaires. In our...

To improve control performance and energy efficiency, a novel excavator manipulator (NEM) based on electro-mechanical actuators (EMAs) is designed in this paper. Real-time planning of NEM target angles real-time EMA displacements are investigated through kinematic theory. A composite strategy sliding mode controller (SMC) proposed for trajectory tracking displacements. An EMA-based simulation model was constructed. During the simulation, end trajectories three typical working conditions were...

Abstract This paper presents a novel resilient self-triggered model predictive control (ST-MPC) method to alleviate potential threats of false data injection (FDI) attacks on cyber-physical systems (CPSs). First, considering that the transmitted via sensor-to-controller (S–C) and controller-to-actuator (C–A) channels in CPS may be tampered with by FDI attacks, input reconstruction strategy combined ST-MPC mechanism is proposed while reducing computational communication resources, which key...

Balancing the grid using energy storage technology has turned out to be a significant breakthrough in meeting demand for regulation. The pumped power station is one of most widely used technologies world, with good economy and flexibility. In this paper, hybrid (HPSPS) considered. mathematical model HPSPS established based on PID controller. Then, simulation results 200MW demonstrate that constructed accurate effective.

In this paper, we discuss several of major robot/vehicle platforms available and demonstrate the implementation autonomous techniques on one such platform, F1/10. Robot Operating System was chosen for its existing collection software tools, libraries, simulation environment. We build information F1/10 vehicle illustrate key tools that will help achieve properly functioning hardware. provide methods to algorithms give examples deploying these complete driving tasks 2D maps using SLAM....

In low-voltage AC microgrid, the different distance between distributed generation units (DGs) and common bus leads to mismatch of feeder impedance, which results in error output power sharing. order realize accurate sharing maintain stability voltage, this paper proposes an improved resistive droop control strategy based on adaptive virtual introduces dynamic dominant resistance negative inductance diminish impact caused by impedance. Furthermore, a voltage compensation stage is added at...

A kind of laser diode with high power and short duration is described in this paper. The used for triggering gallium arsenide photoconductive semiconductor switch (GaAs PCSS) the experiment. driver based on RF MOSFET it provides an ultra-fast pulse current, which has rise-time, FWHM peak current are 4ns, 17ns 130A, respectively. characteristics have been researched, including waveform, optical field distribution, limiting drive current. Using a combination two diodes, PCSS better performance...