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Limitation of Imaging Technology

Limitation of Imaging Technology

Limitation of Imaging Technology. Two plagues in image acquisition Noise interference Blur (motion, out-of-focus, hazy weather) Difficult to obtain high-quality images as imaging goes Beyond visible spectrum Micro-scale (microscopic imaging) Macro-scale (astronomical imaging).

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1.17k views • 54 slides
???? ?????????? ???????? ?? ?? (Kazuyuki Tanaka) kazu@smapip.is.tohoku.ac.jp

???? ?????????? ???????? ?? ?? (Kazuyuki Tanaka) kazu@smapip.is.tohoku.ac.jp

?????????????? Physical Fluctuomatics ??????? Applied Stochastic Process ? 5 ????????????? ??????? 5th Probabilistic information processing by means of graphical model. ???? ?????????? ???????? ?? ?? (Kazuyuki Tanaka) kazu@smapip.is.tohoku.ac.jp http://www.smapip.is.tohoku.ac.jp/~kazu/.

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533 views • 52 slides
Iterative Detection and Decoding for Wireless Communications

Iterative Detection and Decoding for Wireless Communications

Iterative Detection and Decoding for Wireless Communications. Prelim Report September 29, 1998 Matthew Valenti Mobile and Portable Radio Research Group Bradley Department of Electrical and Computer Engineering Virginia Tech Blacksburg, Virginia. Outline. Part I: Turbo codes

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666 views • 51 slides
Antennas and Propagation

Antennas and Propagation

Antennas and Propagation. Chapter 5. Introduction. An antenna is an electrical conductor or system of conductors Transmission - radiates electromagnetic energy into space Reception - collects electromagnetic energy from space

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1.22k views • 44 slides
Introduction to Information theory channel capacity and models

Introduction to Information theory channel capacity and models

Introduction to Information theory channel capacity and models. A.J. Han Vinck University of Duisburg-Essen May 2012. This lecture. Some models Channel capacity Shannon channel coding theorem converse. some channel models. Input X P(y|x) output Y

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1.18k views • 37 slides
Image Deblurring

Image Deblurring

Image Deblurring. Introduction Inverse filtering Suffer from noise amplification Wiener filtering Tradeoff between image recovery and noise suppression Iterative deblurring* Landweber algorithm. Introduction. Where does blur come from? Optical blur: camera is out-of-focus

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1.9k views • 35 slides
Communication Channel

Communication Channel

Communication Channel. Outline. Information Transmission Attenuation: dB Equivalent Noise Temperature Communication Limits Broadband Channel BER . Frequency Response. All communication channels modify/ distort signals transmitted.

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627 views • 34 slides
Outline

Outline

Outline. Transmitters (Chapters 3 and 4, Source Coding and Modulation) (week 1 and 2) Receivers (Chapter 5) (week 3 and 4) Received Signal Synchronization (Chapter 6) (week 5) Channel Capacity (Chapter 7) (week 6) Error Correction Codes (Chapter 8) (week 7 and 8)

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620 views • 31 slides
CARA: Collision-Aware Rate Adaptation for IEEE 802.11 WLANs

CARA: Collision-Aware Rate Adaptation for IEEE 802.11 WLANs

CARA: Collision-Aware Rate Adaptation for IEEE 802.11 WLANs. Presented by Eric Wang. Outline. Introduction Related Work Preliminaries CARA Performance Evaluation Conclusion and Future Work. Basic CSMA/CA. Introduction. 802.11 no rate adaption scheme

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657 views • 31 slides
Elements of Pattern Recognition CNS/EE-148 -- Lecture 5 M. Weber P. Perona

Elements of Pattern Recognition CNS/EE-148 -- Lecture 5 M. Weber P. Perona

Elements of Pattern Recognition CNS/EE-148 -- Lecture 5 M. Weber P. Perona. What is Classification?. We want to assign objects to classes based on a selection of attributes (features). Examples: (age, income) ? {credit worthy, not credit worthy}

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358 views • 30 slides
???????? ???? (883-40) ????????? ??? ??? ??????

???????? ???? (883-40) ????????? ??? ??? ??????

???????? ???? (883-40) ????????? ??? ??? ??????. ??????? ?????? ????????. ?????? ???? 93-92 ????? ???? ???. Continuous-Wave Modulations. Introduction Amplitude Modulation Linear Modulation Schemes Frequency Translation Frequency -Division Multiplexing Angle Modulation

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540 views • 28 slides
An Application Of The Divided Difference Filter to Multipath Channel Estimation in CDMA Networks

An Application Of The Divided Difference Filter to Multipath Channel Estimation in CDMA Networks

An Application Of The Divided Difference Filter to Multipath Channel Estimation in CDMA Networks. Zahid Ali, Mohammad Deriche, M. Andan Landolsi King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. OUTLINE. Introduction Overview of DDF Algorithm Channel and Signal Model

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317 views • 21 slides
Design of a Low-Noise 24 GHz Receiver Using MMICs

Design of a Low-Noise 24 GHz Receiver Using MMICs

Design of a Low-Noise 24 GHz Receiver Using MMICs. Eric Tollefson, Rose-Hulman Institute of Technology Advisor: Dr. L. Wilson Pearson. Overview. Project Description and Background Introduction to Noise System Overview Microwave Components Design Results Future Work Acknowledgements.

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372 views • 18 slides
Different types of wavelets & their properties Compact support Symmetry

Different types of wavelets & their properties Compact support Symmetry

The Story of Wavelets Theory and Engineering Applications. Different types of wavelets & their properties Compact support Symmetry Number of vanishing moments Smoothness and regularity Denoising Using Wavelets. Wavelet Selection Criteria.

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342 views • 14 slides
BROADBAND BEAMFORMING

BROADBAND BEAMFORMING

BROADBAND BEAMFORMING . Presented by: Kalpana Seshadrinathan. INTRODUCTION. Equalization Distortion caused by the channel results in Inter-Symbol Interference (ISI) which has to be compensated for to reduce the probability of error Such a compensator is called an equalizer

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336 views • 10 slides

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