منابع مشابه
channel estimation for mimo-ofdm systems
تخمین دقیق مشخصات کانال در سیستم های مخابراتی یک امر مهم محسوب می گردد. این امر به ویژه در کانال های بیسیم با خاصیت فرکانس گزینی و زمان گزینی شدید، چالش بزرگی است. مقالات متعدد پر از روش های مبتکرانه ای برای طراحی و آنالیز الگوریتم های تخمین کانال است که بیشتر آنها از روش های خاصی استفاده می کنند که یا دارای عملکرد خوب با پیچیدگی محاسباتی بالا هستند و یا با عملکرد نه چندان خوب پیچیدگی پایینی...
Time-lapse Stereo
Time-lapse stereo – using natural illumination changes in stereo reconstruction for large scale outdoor scene is yet an unexplored application of spacetime stereo framework. In this project, we collect several time-lapse stereo data sets for further research use and also evaluate the performance of time-lapse stereo by comparing the quality of its disparity images to the ones using classic ster...
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INTRODUCTION By their very nature, biological systems are dynamic, and a proper understanding of the cellular and molecular processes underlying living organisms and how to manipulate them is a prerequisite to combat diseases and improve human health care. One of the major challenges of current biomedical research, therefore, is to unravel not just the spatial organization of these complex syst...
متن کاملTime-Lapse Snapshots
A snapshot scan algorithm takes an “instantaneous” picture of a region of shared memory that may be updated by concurrent processes. Many complex shared memory algorithms can be greatly simplifkd by structuring them around the snapshot scan abstraction. Unfortunately, the substantial decrease in conceptual complexity is quite often countetkknced by an increase in computational complexity. In th...
متن کاملTime-Lapse Cryptography
The notion of “sending a secret message to the future” has been around for over a decade. Despite this, no solution to this problem is in common use, or even attained widespread acceptance as a fundamental cryptographic primitive. We name, construct and specify an implementation for this new cryptographic primitive, “Time-Lapse Cryptography”, with which a sender can encrypt a message so that it...
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ژورنال
عنوان ژورنال: Reproductive BioMedicine Online
سال: 2018
ISSN: 1472-6483
DOI: 10.1016/j.rbmo.2017.12.011