SoC Design of An Auto-Focus Driving Image Signal Processorfor Mobile Camera Applications


Presenter Number:97662003



Outline

Introduction
Auto Focus Camera System
SoC Implementation
Experimental Results
Conclusions



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The camera phone is one of the hottest-selling items in all of consumer electronics. The little gadgets have become so ubiquitous that hardly anyone finds it odd anymore to see tourists squinting with one eye while pointing their cell phones at a Buddhist temple, a Greek statue, or a New York City skyscraper.

It's easy to see why analysts expect that camera phones will outsell conventional digital cameras and traditional film cameras combined.


But as anyone who has ever seen them can attest, the images that come out of camera phones l ....etc

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Engineering revision control developed from formalized
processes based on tracking revisions of early blueprints or bluelines.
Implicit in this control was the option to be able to return to any
earlier state of the design, for cases in which an engineering dead-end was reached in iterating any particular engineering design.

Likewise,
in computer software engineering, revision control is any practice
which tracks and provides controls over changes to source code.
Software developers sometimes use revision control software to maintain
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I want seminar report on fluid focus lens. ....etc

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The camera phone is one of the hottest-selling items in all of consumer electronics. The little gadgets have become so ubiquitous that hardly anyone finds it odd anymore to see tourists squinting with one eye while pointing their cell phones at a Buddhist temple, a Greek statue, or a New York City skyscraper. It's easy to see why analysts expect that camera phones will outsell conventional digital cameras and traditional film cameras combined.

But as anyone who has ever seen them can attest, the images that come out of camera phones leave pl ....etc

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AN EDGE-BASED FACE DETECTION ALGORITHM ROBUST AGAINST
ILLUMINATION, FOCUS, AND SCALE VARIATIONS
ABSTRACT
A face detection algorithm very robust against illumination,focus and scale variations in input images has been developedbased on the edge-based image representation. Themultiple-clue face detection algorithm developed in our previouswork has been employed in conjunction with a newdecision criterion called .density rule,. where only high densityclusters of detected face candidates are retained as faces.As a result, the occurre ....etc

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Abstract
Auto-focusing in imaging systems depends on
the determination of the correct image focus criterion. In this
research, the image captured by a liquid-filled diaphragm (LFD)
fluid lens was analyzed to determine a focus measure criterion
that can be used to establish the correct focus and thus quantify
the image quality. The LFD lens was actuated using a steppermotor
driven syringe mechanism. The lens diaphragm was made
of polydimethylsiloxane (PDMS) polymer that exhibit good
optical properties. The lens focal length was ....etc

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Abstract
Auto-focus (AF) has been a key feature inconsumer level digital and cell-phone cameras allowing usersto focus automatically on a particular plane in a scene inorder to get a sharp image. Face priority AF has become ofinterest lately due to the fact that most pictures captured byconsumers are of human faces. In face-priority AF, thefocusing decision is made based on a detected face area in theimage, thus capturing a sharp picture of the face. While manyface detection algorithms exist in the literature, very few ofthem are actu ....etc

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The camera phone is one of the hottest-selling items in all of consumer electronics. The little gadgets have become so ubiquitous that hardly anyone finds it odd anymore to see tourists squinting with one eye while pointing their cell phones at a Buddhist temple, a Greek statue, or a New York City skyscraper. It's easy to see why analysts expect that camera phones will outsell conventional digital cameras and traditional film cameras combined.
But as anyone who has ever seen them can attest, the images that come out of camera phones leave p ....etc

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FOCUS FUSION


Efficiency and Safety

In the case of electricity generation, the speeding ionic particles would be coupled directly to the generation of electricity through a beam of ions being coupled by a high tech transformer into currents that are fed to capacitors, which would both pulse the energy back through the device to keep the process going, as well as send excess energy out for use on the grid.

This direct coupling is ....etc

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