DCT Sign-Only Correlation with Application to Image Matching and the Relationship with Phase-Only Correlation. - Izumi Ito; Hitoshi Kiya (ICASSP (1), 2007)

Image matching between scrambled images for secure data management. - Hitoshi Kiya; Izumi Ito (EUSIPCO, 2008)

A new class of image registration for guaranteeing secure data management. - Izumi Ito; Hitoshi Kiya (ICIP, 2008)

Image matching between visually protected images with one-time key based phase scrambling. - Izumi Ito; Hitoshi Kiya (EUSIPCO, 2009)

Multiple-peak model fitting function for DCT sign phase correlation with non-integer shift precision. - Izumi Ito; Hitoshi Kiya (ICASSP, 2009)

Phase scrambling for blind image matching. - Izumi Ito; Hitoshi Kiya (ICASSP, 2009)

One-Time Key Based Phase Scrambling for Phase-Only Correlation between Visually Protected Images. - Izumi Ito; Hitoshi Kiya (EURASIP J. Inf. Secur., 2009)

Symmetric correlation and its properties. - Izumi Ito; Hitoshi Kiya (EUSIPCO, 2010)

Phase-Only Correlation Based Matching in Scrambled Domain for Preventing Illegal Matching. - Izumi Ito; Hitoshi Kiya (Trans. Data Hiding Multim. Secur., 2010)

A computing method for linear convolution in the DCT domain. - Izumi Ito; Hitoshi Kiya (EUSIPCO, 2011)

Gradient-based global features and its application to image retargeting. - Izumi Ito (APSIPA, 2012)

A new technique of non-iterative super-resolution without boundary distortion. - Izumi Ito; Hitoshi Kiya (ICASSP, 2012)

Double linear correlation using DCT and its application to forward and reverse matching. - Izumi Ito; Karen O. Egiazarian (ISPA, 2013)

A Computing Method for Linear Convolution and Linear Correlation in the DCT Domain. - Izumi Ito (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Design of approximated DCT with large size and its application to image matching. - Izumi Ito; Truong Nguyen (APSIPA, 2014)

A computing method of double linear correlation for mirror image matching. - Izumi Ito (ICASSP, 2014)

Translational displacement estimation with subpixel accuracy of DCT-sign phase correlation. - Izumi Ito (ISPA, 2015)

Gradient-based global features for seam carving. - Izumi Ito (EURASIP J. Image Video Process., 2016)

Design of orthonormal Haar-like features for fast pattern matching. - Izumi Ito; Karen O. Egiazarian (EUSIPCO, 2017)

Image registration with subpixel accuracy of DCT-sign phase correlation with real subpixel shifted images. - Izumi Ito (ISPA, 2017)

Full search equivalent fast block matching using orthonormal tree-structured haar transform. - Izumi Ito; Karen O. Egiazarian (ISPA, 2017)

Pseudo Spectral Method Based on Symmetric Extension. - Izumi Ito (EUVIP, 2018)

Two-Dimensional Orthonormal Tree-Structured Haar Transform for Fast Block Matching. - Izumi Ito; Karen O. Egiazarian (J. Imaging, 2018)

Autoencoder-Learned Local Image Descriptor for Image Inpainting. - Nina Zizakic; Izumi Ito; Laurens Meeus; Aleksandra Pizurica (BNAIC/BENELEARN, 2019)

Fast Cube Matching Using Orthogonal Tree-Structured Haar Transform for Multispectral Images. - Izumi Ito; Aleksandra Pizurica (ISPA, 2019)

Learning Local Image Descriptors with Autoencoders. - Nina Zizakic; Izumi Ito; Aleksandra Pizurica (IP&C, 2019)

A New Pseudo-Spectral Method Using the Discrete Cosine Transform. - Izumi Ito (J. Imaging, 2020)

Three-Dimensional Block Matching Using Orthonormal Tree-Structured Haar Transform for Multichannel Images. - Izumi Ito; Aleksandra Pizurica (J. Imaging, 2020)

Flipping Data Augmentation of Convolutional Neural Networks Using Discrete Cosine Transforms. - Izumi Ito (EUSIPCO, 2021)

Convolution Using Discrete Cosine Transforms for Improving Performance of Convolutional Neural Networks. - Izumi Ito (EUSIPCO, 2022)