Search Results for author: Heung-Kyu Lee

Found 6 papers, 2 papers with code

Frame-rate Up-conversion Detection Based on Convolutional Neural Network for Learning Spatiotemporal Features

no code implementations25 Mar 2021 Minseok Yoon, Seung-Hun Nam, In-Jae Yu, Wonhyuk Ahn, Myung-Joon Kwon, Heung-Kyu Lee

The proposed network uses a stack of consecutive frames as the input and effectively learns interpolation artifacts using network blocks to learn spatiotemporal features.

Video Editing Video Forensics

Deep Convolutional Neural Network for Identifying Seam-Carving Forgery

no code implementations5 Jul 2020 Seung-Hun Nam, Wonhyuk Ahn, In-Jae Yu, Myung-Joon Kwon, Minseok Son, Heung-Kyu Lee

Seam carving is a representative content-aware image retargeting approach to adjust the size of an image while preserving its visually prominent content.

Image Forensics Image Retargeting

BitMix: Data Augmentation for Image Steganalysis

1 code implementation30 Jun 2020 In-Jae Yu, Wonhyuk Ahn, Seung-Hun Nam, Heung-Kyu Lee

Convolutional neural networks (CNN) for image steganalysis demonstrate better performances with employing concepts from high-level vision tasks.

Data Augmentation Steganalysis

Learning deep features for source color laser printer identification based on cascaded learning

no code implementations1 Nov 2017 Do-Guk Kim, Jong-Uk Hou, Heung-Kyu Lee

Color laser printers have fast printing speed and high resolution, and forgeries using color laser printers can cause significant harm to society.

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