Search Results for author: Heung-No Lee

Found 4 papers, 2 papers with code

Ethereum ECCPoW

1 code implementation26 Jan 2021 Hyoungsung Kim, Jehyuk Jang, Sangjun Park, Heung-No Lee

A finite mean block generation time (BGT) and none heavy-tail BGT distribution are the ones of the focus in this study.

Cryptography and Security

Blockchain-Based Distributed Patient-Centric Image Management System

1 code implementation18 Mar 2020 Mohamed Yaseen Jabarulla, Heung-No Lee

Then, we implemented an Ethereum smart contract called the patient-centric access control protocol to enable a distributed and trustworthy access control policy.

Cryptography and Security

Profitable Double-Spending Attacks

no code implementations5 Mar 2019 Jehyuk Jang, Heung-No Lee

The results enable us to derive sufficient and necessary conditions on the value of a target transaction which make DS attacks for any proportion of computing power profitable.

Cryptography and Security

Holistic random encoding for imaging through multimode fibers

no code implementations30 Dec 2014 Hwanchol Jang, Changhyeong Yoon, Euiheon Chung, Wonshik Choi, Heung-No Lee

In this paper, we aim to improve the signal to noise ratio (SNR) of the image reconstruction in imaging through MMF.

Image Reconstruction

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