VISION BASED PROCESSING FOR REAL TIME 3-D DATA ACQUISITION BASED CODE STRUCTURED LIGH
#1

VISION BASED PROCESSING FOR REAL TIME 3-D DATA ACQUISITION BASED CODE STRUCTURED LIGHT

Abstract: The structured light vision system is a successfully used for the measurement of 3D surface in vision. There is some limitation in the above scheme, that is tens of picture are captured to recover a 3D sense. This paper presents an idea for real-time Acquisition of 3-D surface data by a specially coded vision system. To achieve 3-D measurement for a dynamic scene, the data acquisition must be performed with only a single image. A principle of uniquely color-encoded pattern projection is proposed to design a color matrix for improving the reconstruction efficiency. The matrix is produced by a special code sequence and a number of state transitions. A color projector is controlled by a computer to generate the desired color patterns in the scene. The unique indexing of the light codes is crucial here for color projection since it is essential that each light grid be uniquely identified by incorporating local neighborhoods so that 3-D reconstruction can be performed with only local analysis of a single image. A scheme is presented to describe such a vision processing method for fast 3-D data acquisition. Practical experimental performance is provided to analyze the efficiency of the proposed methods
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#2
can u pleaze give more information about this
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#3
Presented By:
raghuveer reddy patlolla
southern university baton rouge
louisiana usa

Introduction
This Project is a place dedicated to modeling the universe where the appearance of the celestial sphere, the movements of the planets and the path of comets are reproduced. For decades, planetariums essentially reproduced the appearance and movements of the sky visible to the naked eye using opto-mechanical simulators to show the appearance of the sky from any point on Earth.In recent years, thanks to computer technology and video projection, planetariums have become rooms in which all or part of the universe can be modeled. The new high-resolution equipment, which is both versatile and high-performance, can show not only the appearance of the sky but also a large number of phenomena that are impossible to visualize using opto-mechanical systems. The new place at the Cite des Sciences can now not only show the sky visible to the naked eye from any point on Earth at any time of the year but can also travel from planet to planet exploring the solar system, as well as looking at moons and asteroids. It will also be possible to travel between the stars in our galaxy or journey to galaxy clusters. Some of these journeys around the universe are accompanied by a live commentary from a presenter and others take the form of big immersive shows lasting 25 minutes that carry us to the far reaches of the universe on a quest for water, take us to visit Mars or travel to the heart of distant galaxies.
Features of Project We can see the space from anywhere you are located
Ephemerides - is a Graph of values that gives the positions of astronomical objects in the sky at a given time or times. Different kinds are used for astronomy and astrology.
Planet Positions

Solar system View “ We can View Planet Rotations and positions in present and future
Conjunction Finder “ We can find when the planets get straight
Solar Events “ We can find particular Events like
¢ Solar Eclipse
¢ Lunar Eclipse
¢ Mercury Transit
¢ Venus Transit
Overview of the Concept

This is a place where the young generations visiting our theaters get inspired to dream and imagine what "the matters could be like" in their lifetimes when they reach the age. It is a place to inspire a generation of kids into careers in science, technology and education.
It is a place where we take today's cutting edge research (rovers landing on Mars driven by undergraduates using VR technology), orbiting Saturn, Landing on Titan, and exploring the first billion years after the big bang - topics that push our visitors imagination to the limit, and encourage the next generation to think about these big questions and hopefully decide to try to answer them.
It is a place we expose our local community to amazing events of exploration of our universe, and try to place mundane activities of human existence in a greater context.
It is a place they discover the sky, and become encouraged to make new friends of the constellations, friends that will be there for entire lifetimes. How we project images has changed, yet the underlying fundamental reasons for doing so has not.
We recreate the night sky, and still images of the planets. But then Voyager flew around the planets, JPL produced the first astounding computer graphics of spacecraft orbiting the planets. The universe was 3D. But a planetarium couldn't re-create that. As a kid, that was frustrating to me. But we all dreamed of what it would be like to sail around the rings of Saturn as if you were on board a spacecraft (Cassini-CRAF was being planned), or fly to the Orion Nebula and have its delicate tendrils surround you.
So what are People dreaming about today when they see with their own eyes a three dimensional universe under some domes - we are changing their perception of space - from a 2-D flat image to full motion 3D - we are changing Earth-centered views of our lives and the universe around us into showing the expanse of space its mind-blowing volume represented by the Hubble Ultra Deep Field and the digital sky surveys now unearthing millions of galaxies never seen or imagined when our generation were kids. What are the People of today dreaming now when they see the digital universe, when you can manipulate it at will, experimenting with gravity, black holes, orbits and spacecraft? What do these kids wish they could do with the digital information we now have at our fingertips, but technology and our ability to dream are limited by our own preconceptions of what a planetarium was when we were kids.
It's their generation - they are the ones we are inspiring, and they are the ones that will help create the next generation of planetarium theaters, perhaps far beyond what we can hardly even dream of. Live star shows in digital theaters, like our own Stars over Kansas, allow me to appear on the dome and present the planetary aspect of the next two months along the lines of my column in Astronomy magazine. They allow me, in a few minutes, to take a Hubble image on the day it's released and have it as an all-sky image. It allows images form Titan taken a billion miles away to be released to the public at 2 pm and it's on our dome at 4 pm. Immediacy of current discoveries in astronomy can be brought to the audience with the impact not possible previously. It is all part of a live show that reviews the constellations, but emphasizes the unique vantage point of being stuck on earth that reinforces a false earth-centered view of the sky, and ultimately of ourselves. Lifting off the earth and seeing the same constellations high above and the Earth as a glowing blue or below introduces a non-earth centered view, a view most astronomers and planetariums occasionally maintain, and a view that culturally will take hundreds of years to develop, and needs to be developed before we become a truly space-faring species.
And let's not forget, the project we grew up with is still there as well, alive and inspiring visitors. And the kids perhaps have the same reaction we did - it's really cool but they want to fly there - it inspires kids to dream of what could be.
Problem Statement:

The people are used to go to Planetariums to see the Planets, stars, solar system. Planetariums have become rooms in which all or part of the universe can be modeled. The new high-resolution equipment, which is both versatile and high-performance, can show The Planets, Stars, solar system and sky. The Planetariums show the appearance of the sky from any point on Earth. But not having the track record of Movements of Planets, Solar Events like Solar Eclipse Lunar Eclipse, Mercury Transit, and Venus Transit.
By sitting at the home we canâ„¢t get the information about the Movements of Planets, solar system, etc.
Proposed Statement:

The Vision Processing for Real-time 3-D Data Acquisition Based on Coded Structured Light is Used to see the space from anywhere you located. This Project is a place dedicated to modeling the universe where the appearance of the celestial sphere, the movements of the planets and the path of comets are reproduced. This project can be useful to get the graphical information about the earth. And it will give the Events of solar Like Solar Eclipse Lunar Eclipse, Mercury Tranzit, and Venus Tranzit. By using this project we can know the stars names, and day to day changes, positions of the Planets in the Solar System, Planets Conjunction points and also the view of the sky in the day time and night. This is a useful project for students and kids to learn about the Universe.
System Requirement Specifications
Hardware Requirements:

PIV 2.8 GHz Processor and Above
RAM 512MB and Above
HDD 40 GB Hard Disk Space and Above

Software Requirements:

WINDOWS OS (XP / 2000 / 200 Server / 2003 Server)
Visual Studio .Net 2005 Enterprise Edition
Internet Information Server 5.0 (IIS)
Visual Studio .Net Framework (Minimal for Deployment) version 2.0


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#4
Video 
[attachment=4534][attachment=4447]This article is presented by:S. Y. Chen, Member, IEEE, Y. F. Li, Senior Member, IEEE, and Jianwei Zhang, Member, IEEE
Vision Processing for Realtime 3-D Data Acquisition
Based on Coded Structured Light




ABSTRACT

Structured light vision systems have been successfully used for accurate measurement of 3-D surfaces in computer vision. However, their applications are mainly limited to scanning stationary objects so far since tens of images have to be captured for recovering one 3-D scene. This paper presents an idea for real-time acquisition of 3-D surface data by a specially coded vision system. To achieve 3-D measurement for a dynamic scene, the data acquisition must be performed with only a single image. A principle of uniquely color-encoded pattern projection is proposed to design a color matrix for improving the reconstruction efficiency. The matrix is produced by a special code sequence and a number of state transitions. A color projector is controlled by a computer to generate the desired color patterns in the scene. The unique indexing of the light codes is crucial here for color projection since it is essential that each light grid be uniquely identified by incorporating local neighborhoods so that 3-D reconstruction can be performed with only local analysis of a single image. A scheme is presented to describe such a vision processing method for fast 3-D data acquisition. Practical experimental performance is provided to analyze the efficiency of the proposed methods.
Smile

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#5
can you say me where to get the complete source code
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#6
sorry. source code is unavailable now .
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#7
Hi,

I am saji from trivandrum.
thanks for sharing the information
Can u upload any design documents.... or your report..

we a team of 4 taking it as our academic project for BTech. We nee to submit its design before 30th. please help...
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#8


to get more information about the topic "VISION BASED PROCESSING FOR REAL TIME 3-D DATA ACQUISITION BASED CODE STRUCTURED LIGH" please refer the page link bellow
http://studentbank.in/report-vision-base...tured-ligh

http://studentbank.in/report-vision-base...3#pid36683
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