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- Keyword
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- Construction equipment; audio and kinematic signals; sensor fusion; dimension reduction; activity detection; support vector machines; SUPPORT VECTOR MACHINE; ACTIVITY RECOGNITION; AUDIO CLASSIFICATION; ACCELEROMETER DATA; MOBILE SENSORS; SOUND; FEATURES; SIGNALS; WORKERS (1)
- Near-infrared fluorescence; bio-tissue; fluorescence imaging; fluorescence probe molecules; UV-Vis-NIR; wide-optical-range imaging; INDOCYANINE GREEN; COORDINATION POLYMERS; XPS; LUMINESCENCE; ANGIOGRAPHY (1)
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Full-Text Articles in Engineering
A Hybrid Kinematic-Acoustic System For Automated Activity Detection Of Construction Equipment, Yong-Cheol Lee
A Hybrid Kinematic-Acoustic System For Automated Activity Detection Of Construction Equipment, Yong-Cheol Lee
Faculty Publications
Automatically recognizing and tracking construction equipment activities is the first step towards performance monitoring of a job site. Recognizing equipment activities helps construction managers to detect the equipment downtime/idle time in a real-time framework, estimate the productivity rate of each equipment based on its progress, and efficiently evaluate the cycle time of each activity. Thus, it leads to project cost reduction and time schedule improvement. Previous studies on this topic have been based on single sources of data (e.g., kinematic, audio, video signals) for automated activity-detection purposes. However, relying on only one source of data is not appropriate, as the …
Synthesis Of Samarium-Based Metal Organic Compound Nanoparticles With Polychromatic-Photoluminescence For Bio-Tissue Fluorescence Imaging, Jian Xu
Faculty Publications
The development of nanomaterials with special optical window is critical for clinical applications and the optoelectronic industry. In this work, eight kinds of samarium-based metal organic compound nanoparticles (Sm-Fe, Sm-Ga, Sm-Mn, Sm-Na, Sm-Nb, Sm-W, Sm-Cu, and Sm-Al) were synthesized through a solution method. They show polychromatic-photoluminescence spectra extended from the UV to near-infrared (NIR) region when excited by 280 nm, 380 nm, 480 nm, 580 nm, and 785 nm light. They emit direct white light with respect to UV excitation. Tunable white-to-green fluorescence can be achieved by variation of excitation light around 300-400 nm. When they are excited by a …