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A pulse amplitude modulation with 4 levels (PAM-4), generated by optical superimposition, is first proposed and experimentally demonstrated for visible light communication (VLC). It can overcome the shortcomings of the PAM-4 signals generated in the electrical domain, with enhanced tolerance to the modulation nonlinearities of a light emitting diode (LED). A proof-of-concept experiment employing two...
Traditional road surveying methods rely largely on in-situ measurements, which are time consuming and labor intensive. Recent Mobile Laser Scanning (MLS) techniques enable collection of road data at a normal driving speed. However, extracting required information from collected MLS data remains a challenging task. This paper focuses on examining the current status of automated on-road object extraction...
High dimensionality of the feature space is one of the most important concerns in text categorization problems, and feature selection is widely used for reducing the dimensionality of features to speed up the computation without damaging the performance. However, a lot traditional feature selection methods treat each feature separately, and they are context independent. In order to address the problem,...
More and more intelligent buildings have been built in the world during last 10 years, but, according to application investigation in China, the intelligent level was not high and building control had not achieved the valued result, especially in intelligent control operation and energy saving for buildings, hi BAS (Building Automation System), there are many sub-systems integrated together with multiple...
Comfortable lighting in classroom can promote the better learning environment. Today, owner of school not only provides a stimulating environment where student will learn best, and but they must concern the energy saving. For the lighting control and energy saving in classroom, the new method of intelligent control lighting based on using artificial intelligent algorithm is presented in this paper...
Developing with intelligent building application, the intelligent BAS had been grown up separating from traditional one. But, general speaking, the BAS still had been impressed that is a integration system by sequence control and short of intelligence comparing with industry complex large system. According to intelligent control theory, whatever objects are, the control core or head and controlled...
This paper builds a vestibular system model for AIBO ERS-7 robot based upon its 3-axis accelerometer. The model consists of three parts, posture calculation method, low-pass filter deriving smoothed acceleration signals, Oscillation Power (O.P.), a pattern for differentiation of surfaces, and its extraction mechanism. It fulfills three environment perception tasks correspondingly, slope detection,...
This paper describes a Biological Literature Miner (BioLMiner) system and its implementation. BioLMiner is a text mining system for biological literature, whose purpose is to extract useful information from biological literature, including gene and protein names, normalized gene and protein names, and protein-protein interaction pairs. BioLMiner has three main subsystems in a pipeline structure: a...
For the indoor daylighting need, venetian blinds are a key element in the passive control of building's vision environment. They help to control glare, daylighting, and overheating, all of which affect both the comfort of occupants and a building's energy saving. Especially, for the indoor shading and daylighting requirement, the smart control system, which has both function of adjusting the venetian...
According to biological evidences, central pattern generators (CPGs) are neural networks responsible for the generation of rhythmic movements for animals, such as breathing, heartbeat, and locomotion, even when isolated from the brain and sensory inputs. Inspired by this mechanism, researchers have proposed the CPG driven control method as a new way to generate rhythmic control policies for the locomotion...
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