Sensor planning for object search

by Yiming Ye

Publisher: University of Toronto, Dept. of Computer Science in Toronto

Written in English
Published: Pages: 176 Downloads: 956
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Edition Notes

Thesis (Ph.D.)--University of Toronto, 1997.

StatementYiming Ye.
The Physical Object
Pagination176 leaves.
Number of Pages176
ID Numbers
Open LibraryOL16413239M
ISBN 100612280950

IPortableDeviceValues object that contains sensor data type names and their associated change sensitivity values. Change sensitivity values provide requests about the amount by which the data field should change before the SENSOR_EVENT_DATA_UPDATED event is raised. A measurement of the distance between the sensor and an object, as a percentage. Th e proximity is calculated based on the intensity of the reflected IR radiation - the stronger the reflection the smaller the proximity value. Therefore the proximity value will be much bigger for a small black object (weak reflection) than for a large white object in the same location (strong reflection).   What is a sensor network? A sensor network comprises a group of tiny, typically battery-powered devices and wireless infrastructure that monitor and record conditions in any number of environments -- from the factory floor to the data center to a hospital lab and even out in the wild. The sensor network connects to the Internet, an enterprise WAN or LAN, or a specialized industrial . searches the inventories of over , booksellers worldwide, accessing millions of books in just one simple step. To find original editions, please select "Show more options" to refine your search by publication year. You can also choose to limit your search to .

In ELEC applications, R 1 has a fixed or constant value (as shown in Figure ), while R 2 is the variable resistance produced by the sensor. V in is the positive voltage supply, fixed at 5 volts. Thus the V out signal can be directly computed from R 2, the resistive looking at the equation, it is easy to see that if R 2 is large with respect to R 1, the output voltage will be. Object recognition has an important role in robotics. It is the process of identifying an object from camera images and finding its location. Using this, a robot can pick an object from the workspace and place it at another location. This chapter will be useful for those who .   If you want to know about the sensor used for object shape detection, it is this: Ultrasonic Sensor Array There’s a grid of ultrasonic sensors to determine the distance of the object from the grid. The data from the entire grid can be processed us. Offered by University of Toronto. Welcome to Motion Planning for Self-Driving Cars, the fourth course in University of Toronto’s Self-Driving Cars Specialization. This course will introduce you to the main planning tasks in autonomous driving, including mission planning, behavior planning and local planning. By the end of this course, you will be able to find the shortest path over a graph.

uxcell 20mm Detecting Distance Inductive Proximity Sensor Switch Detector NPN NO DC V mA 3-Wire SCA for 3D Printer Probe Bed Leveling,MCU Board out of 5 stars 2 $ $ Type of Sensor – The presence of an object can be detected with proximity sensors and other sensor technologies like ultrasonic sensors, capacitive, photoelectric, inductive, or magnetic; or for advanced applications, generally image sensors and vision software like OpenCV are used. Object usage generally causes object movement or changes in object vibration, tilt, or acceleration. Therefore power efficient sensors such as vibration and tilt switches (e.g. mercury and ball switches) can be used to recognize object motion and to wake up external circuitry whenever vibration or tilt changes are detected. Unfortunately. Choose from our selection of object detection sensors, including metallic-object proximity switches, mounting brackets, and more. In stock and ready to ship.

Sensor planning for object search by Yiming Ye Download PDF EPUB FB2

SENSOR PLANNING FOR OBJECT SEARCH FIG. The hardware used in the paper. (a) The laser eye. At the top is the Optech laser range finder and at the bottom are the zoom and focus controlled lens. The two mirrors are used to ensure collinearity of effective optical axes of the camera lens and the range finder.

The pan–tilt unit is. The task of sensor planning for object search is formulated and a strategy for this task is proposed. The searcher is assumed to be a mobile platform equipped with an active camera and a method of calculating depth, like a stereo or laser range finder.

The formulation casts sensor planning as an optimization problem: the goal is to maximize the Author: Yiming Ye and John K. Tsotsos. The book offers guidance on selecting, specifying, and using the optimum sensor for any Sensor planning for object search book application.

The editor-in-chief, Jon Wilson, has years of experience in the sensor industry and leads workshops and seminars on sensor-related topics.

Sensor planning for object search refers to the task of how to select the sensing parameters so as to bring the target into the field of view of the sensor.

This task is very important if a robot wants to interact intelligently and effectively with its environment.

Connell [1] constructs a robot that roams an area searching for and collecting Author: Yiming Ye and John K. Tsotsos. Object Modeling Model Construction View Planning Triangular Mesh Head Model These keywords were added by machine and not by the authors.

This process is experimental and the keywords may be updated as the learning algorithm : Shengyong Chen, Y. Li, Jianwei Zhang, Wanliang Wang. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): this paper conforms to the complexity level analysis of the sensor planning task for object search.

Complexity considerations are commonplace in the biological and computational vision literature. For example, Tsotsos [8] shows that the general problem of visual search (search for a target within an image) is. This is the sensor planning problem for object search, and it is the main concern of this document.

The second subtask is the manipulation of the hardware so that the sensing operators can reach the state specified by the planner.

The third subtask involves searching for the target within the image. This is the object recognition and. PDF | We introduce a new class of vision-based sensor and associated algorithmic processes that combine visual imaging with high-resolution tactile | Find, read and cite all the research you.

Type of Sensor – the presence of an object can be detected with proximity sensors, and there are several kinds of sensor technologies including here ultrasonic sensors, capacitive, photoelectric, inductive, or magnetic.

Tracking objects can works using proximity sensors (ex.: ultrasonic sensors), or for advanced applications generally it is. Search the world's most comprehensive index of full-text books. My library. Trying to find books written by Malcolm X but not an autobiography. Try this search: Put 'Malcolm X' in the 'Author' field and '-autobiography' in the 'Keywords' field.

See the results. Looking for the exact books from your 20th Century American Literature syllabus. Enter all the ISBNs in the 'ISBN' field, with a '|' (pipe) between each one. The receiver detects the light reflecting back from the object itself.

Reflective and through-beam sensors create a beam of light and detect any opaque object that breaks the beam. Laser sensors can create a beam of light 50 meters or longer. Transparent objects, or objects with a varying surface finish, can be problematic for photoelectric.

High resolution BGS sensor BGS-HL can detect very small height difference even if the object is very thin pizza dough. The sensor has new function "ZONE Teaching", which make possible very easy teaching and detection of very thin uneven dough. BGS-HL is also IP67 as water resistant sensor so it can be washed by water splash.

Multi-sensor Based Security Robot Using Zigbee: This project implements a microcontroller based robotic vehicle with different sensors for security sensing parameters include temperature, gas, metal, surveillance and intruder.

The sensing data is transferred to central location using Zigbee communication and the robot movements are controlled remotely from PC. Inductive Sensors: Inductive proximity sensors are used for non-contact detection to find out the presence of metallic objects using electromagnetic field or a beam of electromagnetic can operate at higher speeds than mechanical switches and also seems more reliable because of its robustness.

Capacitive Sensors: Capacitive proximity sensors can detect both metallic as well as non. All Sensor offers a complete product catalog in PDF file format.

Our catalog includes product specifications, packaging, cofigurations, and technical design information. The PDF is bookmarked and the Table of Contents is hyper-linked for your convenience. Click image to begin download. Object tracking is the novel procedure for discovering moving objects beyond time by utilizing the camera in video sequences Mukesh Tiwari and Dr.

Rakesh Singhai (Kothiya and Mistree, ). Their main aim is to relate the target objects as well as the shape or features, location of the objects in successive video sequences.

A PIR sensor is a device that can detect infrared light (heat) emitted by an object (for example, a person). This website uses cookies and other tracking technology to analyse traffic, personalise ads and learn how we can improve the experience for our visitors and customers. The book POSITION SENSORS, published by John Wiley & Sons, has a lot of information about sensors in general.

It has an extensive section on communication protocols, and also includes explanations of capacitance, inductance, magnetic and electric.

Unlike traditional proximity sensors, they operate over longer distances and can be set up to limit object detection within a user-specified distance band (“window”).

Presence/Absence Object detection is a form of proximity sensing to determine if an object or material is present (arrives) or absent (disappears). • A sensor acquires a physical quantity and converts it into a signal suitable for processing (e.g.

optical, electrical, mechanical) • Nowadays common sensors convert measurement of physical phenomena into an electrical signal • Active element of a sensor is called a transducer.

The lidar uses infrared sensors to determine the distance to an object. A rotating system makes it possible to send waves and to measure the time taken for this wave to come back to it. This makes it possible to generate a points cloud of the environment around the sensor.

A lidar can generate about 2 million points per second. Proximity sensor is a type of non-contact sensor used for object detection.

It does not have any physical contact with the object. The object whose distance is to be measured is known as target. An IR light or electromagnetic radiation is used in a proximity sensor. II-Characteristics of different types of sensors a) Active vs. Passive: Does sensor draw energy from the signal.

b) Digital vs. Analog: Is the signal discrete or continuous. c) Null and deflection methods d) Input – Output configuration. Summary: Clear objects can be challenging to detect because they allow light to pass through them.

Some sensing technologies may work better in certain conditions or may be more effective with certain materials. This article compares three types of sensor technologies frequently used for clear object detection: LED-based sensors, laser-based sensors, and ultrasonic sensors.

BASIC LINEAR DESIGN Figure AD LVDT Signal Conditioner (Simplified) A B AMP ~ FILTER AMP VB VOUT AD EXCITATION 4-WIRE LVDT OSCILLATOR A B VA REFERENCE A, B = ABSOLUTE VALUE + FILTER Figure AD LVDT Signal Conditioner (Simplified) The AD can also be used with a half-bridge (similar to an auto-transformer) LVDT as.

Strain Gage: Materials material gage factor, G TCR () Ni80 Cr20 - 10 Pt92 W8 – 24 Silicon (n type) to 70 to Germanium (p type) TCR = temperature coefficient of resistivity (ºC-1) • Note: • G for semiconductor materials ~ x that of metals. planning in robotics is defined as navigation that shall be collision free and most optimum for the autonomous vehicle to maneuver from a source to its destination.

This thesis concentrates on building a path planning algorithm for an all terrain vehicle (ATV) used for travelling in an open field or forest. The big day is here. Download brand new Midva hidden object games - Hidden Objects Wedding Day – and become a wedding planner immediately.

Start the wedding countdown by installing this hidden object puzzle adventure and finding cool wedding stuff like bridal accessories, wedding gowns, wedding decorations, tiaras, shoes and wedding food. Clean up before the wedding events take place and. The active sensor is also called as parametric sensor (output is a function of a parameter - lik e resistance) Passive sensor: It gener ates its own electric signal and does not require a po wer.

Motion planning, also path planning (also known as the navigation problem or the piano mover's problem) is a computational problem to find a sequence of valid configurations that moves the object from the source to destination.

The term is used in computational geometry, computer animation, robotics and computer games. For example, consider navigating a mobile robot inside a building to a.In This Chapter Introduction to Robotic Manipulators Classifi cation of Sensors Encoders and Dead Reckoning Infrared Sensors Ground-based RF Systems Active Beacons Ultrasonic Transponder Trilateration Accelerometers Gyroscopes Laser Range Finder Vision-based Sensors Color-tracking Sensors Sensor Mounting Arrangement Design of the Circuitry Reading the Pulses in a Computer 6.The book Smart Sensors and MEMS provides an unique collection of contributions on latest achievements in sensors area and technologies that have made by eleven internationally recognized leading experts from Czech Republic, Germany, Italy, Israel, Portugal, Switzerland, Ukraine and USA during the NATO Advanced Study Institute (ASI) in Povoa de Varzim, Portugal, from 8 to 19 .