The False Coin Problem

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The False Coin Problem

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Author : Uri Leron
language : iw
Publisher:
Release Date : 1979

The False Coin Problem written by Uri Leron and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

The Counterfeit Coin Problem Revisited

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Author : Nathan Linial
language : en
Publisher:
Release Date : 1981

The Counterfeit Coin Problem Revisited written by Nathan Linial and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Trees (Graph theory) categories.

Strong Solutions For The Counterfeit Coin Problem

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Author : J. G. Mauldon
language : en
Publisher:
Release Date : 1978

Strong Solutions For The Counterfeit Coin Problem written by J. G. Mauldon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.

How To Detect Altered Counterfeit Coins And Paper Money

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Author : Bert Harsche
language : en
Publisher:
Release Date : 1978-01-01

How To Detect Altered Counterfeit Coins And Paper Money written by Bert Harsche and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978-01-01 with Coins categories.

False Coin Or True

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Author : Frances Frederica Montrésor
language : en
Publisher:
Release Date : 1896

False Coin Or True written by Frances Frederica Montrésor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1896 with categories.

Classical Deception

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Author : Wayne G. Sayles
language : en
Publisher: Krause Publications
Release Date : 2001

Classical Deception written by Wayne G. Sayles and has been published by Krause Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Antiques categories.

From the author of the acclaimed Ancient Coin Collecting series comes yet another essential resource -- one that could save collectors considerable money and frustration. Counterfeits are relatively common among ancient coins, yet knowing where the dangers lie is key to avoiding disaster as a collector or investor. Accordingly, this book takes an objective and candid look at the history of falsifying ancient coins. It traces the careers of well-known forgers and discusses the many fakes that proliferate the modern market. Topics covered include manufacturing techniques, collector response to the problem and tools and methods of detecting fakes. Special sections include a catalogue of the previously unpublished work of reproduction artist Peter Rosa and extensive bibliographies leading to a wealth of technical information. Features: The essential guide to identifying counterfeit ancient coins and avoiding financial disaster; Illustrated with more than 200 photographs to help differentiate authentic coins from fakes; From the author of the acclaimed Ancient Coin Collecting series.

The Counterfeit Coin Story

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Author : Ken Peters
language : en
Publisher:
Release Date : 2002

The Counterfeit Coin Story written by Ken Peters and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Coins categories.

False Coin

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Author : Marcia Smith Wilson
language : en
Publisher:
Release Date : 2013-03-21

False Coin written by Marcia Smith Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-21 with Body, Mind & Spirit categories.

The truth is we have problems in America that we sent off abroad and America is on the brink of death and destructions because of the female assuming she can do what the male does. She can't.

Detection Of Counterfeit Coins Based On 3d Height Map Image Analysis

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Author : Saeed Khazaee
language : en
Publisher:
Release Date : 2021

Detection Of Counterfeit Coins Based On 3d Height Map Image Analysis written by Saeed Khazaee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.

Analyzing 3-D height-map images leads to the discovery of a new set of features that cannot be extracted or even seen in 2-D images. To the best of our knowledge, there was no research in the literature analyzing height-map images to detect counterfeit coins or to classify coins. The main goal of this thesis is to propose a new comprehensive method for analyzing 3D height-map images to detect counterfeit of any type of coins regardless of their country of origin, language, shape, and quality. Therefore, we applied a precise 3-D scanner to produce coin height-map images, since detecting a counterfeit coin using 2D image processing is nearly impossible in some cases, especially when the coin is damaged, corroded or worn out. In this research, we propose some 3-D approaches to model and analyze several large datasets. In our first and second methods, we aimed to solve the degradation problem of shiny coin images due to the scanning process. To solve this problem, first, the characters of the coin images were straightened by a proposed straightening algorithm. The height-map image, then, was decomposed row-wise to a set of 1-D signals, which were analyzed separately and restored by two different proposed methods. These approaches produced remarkable results. We also proposed a 3-D approach to detect and analyze the precipice borders from the coin surface and extract significant features that ignored the degradation problem. To extract the features, we also proposed Binned Borders in Spherical Coordinates (BBSC) to analyze different parts of precipice borders at different polar and azimuthal angles. We also took advantage of stack generalization to classify the coins and add a reject option to increase the reliability of the system. The results illustrate that the proposed method outperforms other counterfeit coin detectors. Since there are traces of deep learning in most recent research related to image processing, it is worthwhile to benefit from deep learning approaches in our study. In another proposed method of this thesis, we applied deep learning algorithms in two steps to detect counterfeit coins. As Generative Adversarial Network is being used for generating fake images in image processing applications, we proposed a novel method based on this network to augment our fake coin class and compensate for the lack of fake coins for training the classifier. We also decomposed the coin height-map image into three types of Steep, Moderate, and Gentle slopes. Therefore, the grayscale height-map image is turned to the proposed SMG height-map channel. Then, we proposed a hybrid CNN-based deep neural network to train and classify these new SMG images. The results illustrated that a deep neural network trained with the proposed SMG images outperforms the system trained by the grayscale images. In this research, the proposed methods were trained and tested with four types of Danish and two types of Chinese coins with encouraging results.

Counterfeit Coin Approximately 1846

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Author : James Knox Polk
language : en
Publisher:
Release Date : 1846

Counterfeit Coin Approximately 1846 written by James Knox Polk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1846 with categories.