Video sensors

Video links Video recording Video sensor Video tape Video tapes Vidicon Vidicons Vidicon tubes Vifilcon-A... 

ACC stop go covers the whole speed range of the vehicle, is also suited for urban traffic, and will combine ACC LSF with video sensors. This combination will eliminate the drawbacks of the current systems with respect to the evaluation of stationary objects [6]. 

Fig. 7.8.9 illustrates the basic principle of a video sensor. The ECU extracts different predictors from the received image like the lane markings, speed limits, or the distance to objects ahead. These data enable the system to construct a virtual environment around the car. From the specified locations of objects in this environment, possible vehicle interactions can be derived. 

Fig. 7.8.9 Basic principle of a video sensor and functions being considered...

Video Sensor-Based Activity Recognition Applications.608... 

Comparisons of Video Sensor-Based, Wearable Sensor-Based, and Object... 

Video sensor-based activity recognition (VSAR) This is the classical activity-recognition approach which attempts to capture a human s activity information using appropriately placed cameras. Video analysis is the most important and challenging aspect of VSAR. 

In this subsection, we present some typical applications of video sensor-based activity-recognition systems ... 

VSAR uses only video sensors however, WSAR involves many different kinds of sensors. Each type of sensor has its own strengths and suitable applications. 

The types of sensors used in WSAR range from relatively simple sensors with discrete output, such as ball switches, to sensors with continuous output, such as accelerometers, to more complex sensing methods such as audio processing. Video sensors are wearable, with accelerometers being the most commonly used type of sensors, as they usually give good results in terms of physical activity recognition. The most commonly used accelerometers and their vender information are summarized in Table 28.1. 

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