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To obtain a wider view around underwater robotic vehicle, a remote underwater dual cameras acquisition system based on V4L2 is developed. Athena III PC104 with embedded Linux uses two USB cameras for the hardware development platform. After transplanting the embedded Linux OS and drivers, the image acquisition combined with V4L2 using the X264 and FFMPEG is implemented for digital image encoding and...
Advanced smart meters generate meter readings in a time unit less than a second. Fine-grained meter readings enable various smart grid applications, such as load monitoring, automatic billing, and power generation planning. However, those meter readings threaten individuals' privacy by revealing details of one's daily activities. The time granularity of smart meters is often much finer than the one...
Wearable devices are a novel method for sensing physiological parameters of subjects. Even though some of them are equipped with multiple sensors, usually each parameter is analyzed separately. It often leads to false alarm generation and thus limited acceptability of these systems. We propose not only to combine multi-sensor data available on the wearable device, but also to interface the wearable...
Most of the observer-based fault diagnosis methods, which are widely used techniques in many fields, require a nominal mathematical model of the systems. However, it is difficult and impractical to establish system mathematical model because it is hard to obtain accurate parameters of the plant in practical occasion. This paper presents a new fault detection technique using a innovative observer,...
Practical usability of the majority of current wearable body sensor systems for multiple parameter physiological signal acquisition is limited by the multiple physical connections between sensors and the data-acquisition modules. In order to improve the user comfort and enable the use of these types of systems on active mobile subjects, we propose a wireless body sensor system that incorporates multiple...
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