Interactive analysis of multi-spectral images using a Hilbert curve. - Sei-ichiro Kamata; Michiharu Niimi; Eiji Kawaguchi (ICPR (1), 1994)

A multi-temporal classification of multi-spectral images using a neural network. - Sei-ichiro Kamata; Michiharu Niimi; Eiji Kawaguchi (ICPR (2), 1994)

An interactive analysis method for multidimensional images using a Hilbert curve. - Sei-ichiro Kamata; Eiji Kawaguchi; Michiharu Niimi (Syst. Comput. Jpn., 1995)

A gray image compression using a Hilbert scan. - Sei-ichiro Kamata; Michiharu Niimi; Eiji Kawaguchi (ICPR, 1996)

An Image Embedding in Image by a Complexity Based Region Segmentation Method. - Michiharu Niimi; Hideki Noda; Eiji Kawaguchi (ICIP (3), 1997)

A Large Capacity Steganography Using Color BMP Images. - Koichi Nozaki; Michiharu Niimi; Richard O. Eason; Eiji Kawaguchi (ACCV (1), 1998)

A Concept of Digital Picture Envelope for Internet Communication. - Eiji Kawaguchi; Koichi Nozaki; Michiharu Niimi; Hideki Noda; Richard O. Eason (EJC, 1998)

An Automatic Abstraction Method by using SD-Forms. - Michiharu Niimi; Eiji Kawaguchi (EJC, 1998)

A Study on the Steganography using Bit-Plane Complexity Segmentation. - Michiharu Niimi; H. Hoda; Eiji Kawaguchi (IVCNZ, 1998)

Steganography based on region segmentation with a complexity measure. - Michiharu Niimi; Hideki Noda; Eiji Kawaguchi (Syst. Comput. Jpn., 1999)

Topological-ordered color table for BPCS-steganography using indexed color images. - Robert Ouellette; Hideki Noda; Michiharu Niimi; Eiji Kawaguchi (Security and Watermarking of Multimedia Contents, 2000)

Intensity histogram steganalysis in BPCS-steganography. - Michiharu Niimi; Richard O. Eason; Hideki Noda; Eiji Kawaguchi (Security and Watermarking of Multimedia Contents, 2001)

Steganography using wavelet compressed images. - Jeremiah Spaulding; Hideki Noda; Mahdad Nouri Shirazi; Michiharu Niimi; Eiji Kawaguchi (Security and Watermarking of Multimedia Contents, 2001)

High capacity and secure digital steganography to palette-based images. - Michiharu Niimi; Richard O. Eason; Hideki Noda; Eiji Kawaguchi (ICIP (2), 2002)

Application of bit-plane decomposition steganography to wavelet encoded images. - Jeremiah Spaulding; Hideki Noda; Mahdad Nouri Shirazi; Michiharu Niimi; Eiji Kawaguchi (ICIP (2), 2002)

Luminance Quasi-Preserving Color Quantization for Digital Steganography to Palette-Based Images. - Michiharu Niimi; Hideki Noda; Eiji Kawaguchi; Richard O. Eason (ICPR (1), 2002)

Bit-Plane Decomposition Steganography Combined with JPEG2000 Compression. - Hideki Noda; Jeremiah Spaulding; Mahdad Nouri Shirazi; Michiharu Niimi; Eiji Kawaguchi (Information Hiding, 2002)

BPCS Steganography Combined with Lossy Wavelet CompressionvS. - Hideki Noda; Jeremiah Spaulding; Michiharu Niimi; Eiji Kawaguchi; Mahdad Nouri Shirazi (JCIS, 2002)

A Method to Apply BPCS-Steganography to Palette-Based Images Using Luminance Quasi-Preserving Color Quantization. - Michiharu Niimi; Richard O. Eason; Hideki Noda; Eiji Kawaguchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

A Framework for a Simple Sentence Paraphrase Using Concept Hieararchy in SD-Form Semantics Model. - Michiharu Niimi; Sayaka Minewaki; Hideki Noda; Eiji Kawaguchi (EJC, 2003)

An attack to BPCS-steganography using complexity histogram and countermeasure. - Michiharu Niimi; Tomohito Ei; Hideki Noda; Eiji Kawaguchi; Bruce Segee (ICIP, 2004)

Application of BPCS steganography to wavelet compressed video. - Hideki Noda; Tomonori Furuta; Michiharu Niimi; Eiji Kawaguchi (ICIP, 2004)

Video steganography based on bit-plane decomposition of wavelet-transformed video. - Hideki Noda; Tomofumi Furuta; Michiharu Niimi; Eiji Kawaguchi (Security, Steganography, and Watermarking of Multimedia Contents, 2004)

Application of QIM with dead zone for histogram preserving JPEG steganography. - Hideki Noda; Michiharu Niimi; Eiji Kawaguchi (ICIP (2), 2005)

Bayesian Colorization Using MRF Color Image Modeling. - Hideki Noda; Hitoshi Korekuni; Nobuteru Takao; Michiharu Niimi (PCM (2), 2005)

A Study on Visual Attack to BPCS-Steganography and Countermeasure. - Michiharu Niimi; Hideki Noda; Bruce Segee (VLBV, 2005)

Application of Complexity Measure to Reversible Information Hiding. - Michiharu Niimi; Tetsuji Nakamura; Hideki Noda (ICIP, 2006)

Simple and Efficient Colorization in YCbCr Color Space. - Hideki Noda; Michiharu Niimi; Jin Korekuni (ICPR (3), 2006)

JPEG2000 Steganography Possibly Secure Against Histogram-Based Attack. - Hideki Noda; Yohsuke Tsukamizu; Michiharu Niimi (PCM, 2006)

A colorization algorithm based on local MAP estimation. - Hideki Noda; Jin Korekuni; Michiharu Niimi (Pattern Recognit., 2006)

High-performance JPEG steganography using quantization index modulation in DCT domain. - Hideki Noda; Michiharu Niimi; Eiji Kawaguchi (Pattern Recognit. Lett., 2006)

Colorization in YCbCr Space and its Application to Improve Quality of JPEG Color Images. - Hideki Noda; Nobuteru Takao; Michiharu Niimi (ICIP (4), 2007)

A Study on Reversible Information Hiding Using Complexity Measure for Binary Images. - Sho Tanaka; Michiharu Niimi; Hideki Noda (IIH-MSP, 2007)

JPEG2000 Steganography which Preserves Histograms of DWT Coefficients. - Hideki Noda; Yohsuke Tsukamizu; Michiharu Niimi (IEICE Trans. Inf. Syst., 2007)

Colorization in YCbCr color space and its application to JPEG images. - Hideki Noda; Michiharu Niimi (Pattern Recognit., 2007)

Steganographic Methods Focusing on BPCS Steganography. - Hideki Noda; Michiharu Niimi; Eiji Kawaguchi (Intelligent Multimedia Data Hiding: New Directions, 2007)

Reversible data hiding of full color JPEG2000 compressed bit-stream preserving bit-depth information. - Shogo Ohyama; Michiharu Niimi; Kazumi Yamawaki; Hideki Noda (ICPR, 2008)

Performance Improvement of JPEG2000 Steganography Using QIM. - Takayuki Ishida; Kazumi Yamawaki; Hideki Noda; Michiharu Niimi (IIH-MSP, 2008)

Lossless Data Hiding Using Bit-Depth Embedding for JPEG2000 Compressed Bit-Stream. - Shogo Ohyama; Michiharu Niimi; Kazumi Yamawaki; Hideki Noda (IIH-MSP, 2008)

Text-Independent Speaker Verification Using Artificially Generated GMMs for Cohorts. - Yuuji Mukai; Hideki Noda; Michiharu Niimi; Takashi Osanai (IEICE Trans. Inf. Syst., 2008)

Quality Improvement of Compressed Color Images by Model-Based Chrominance Estimation. - Hideki Noda; Shun Haraguchi; Michiharu Niimi (PCM, 2009)

An Improved QIM-JPEG2000 Steganography and Its Evaluation by Steganalysis. - Takayuki Ishida; Kazumi Yamawaki; Hideki Noda; Michiharu Niimi (J. Inf. Process., 2009)

An application of Sparse Code Shrinkage to image steganalysis based on supervised learning. - Michiharu Niimi; Hideki Noda (ICIP, 2011)

Local MAP estimation for quality improvement of compressed color images. - Hideki Noda; Michiharu Niimi (Pattern Recognit., 2011)

Protection of privacy in JPEG files using reversible information hiding. - Michiharu Niimi; Fuyuki Masutani; Hideki Noda (ISPACS, 2012)

Improvement of JPEG Compression Efficiency Using Information Hiding and Image Restoration. - Kazumi Yamawaki; Fumiya Nakano; Hideki Noda; Michiharu Niimi (IEICE Trans. Inf. Syst., 2013)

Compatible 2D-Code Having Tamper Detection System with QR-Code. - Takayuki Ishihara; Michiharu Niimi (IIH-MSP, 2014)

An Image Stabilization Technique for Long-durational Outdoor Footages Obtained by Visual IoT Systems. - Yuki Murakami; Ken T. Murata; Kazutaka Kikuta; Michiharu Niimi; Tomohiro Kawanabe; Takamichi Mizuhara; Toshiki Aoki; Kazunori Yamamoto; Tsutomu Nagatsuma; Kazuki Kobayashi; Keiichiro Fukazawa; Praphan Pavarangkoon (WPMC, 2021)

Techniques in Pan-Tilt-Zoom Operations of IP Network Camera for Visual IoT. - Yuki Murakami; Ken T. Murata; Ryozo Yamazaki; Kazutaka Kikuta; Yoshihide Kagatani; Toshiki Aoki; Takamichi Mizuhara; Kazunori Yamamoto; Tomohiro Kawanabe; Tsutomu Nagatsuma; Junji Tokairin; Michiharu Niimi; et al. (WPMC, 2021)

Human Flow Measurement System Using Floor Estimation of Depth Images for Low-End IoT Devices. - Takuya Nagatoshi; Michiharu Niimi (APSIPA ASC, 2023)

High-Quality Font Generation Based on StyleGAN2 and FSFont Font Generation Model. - Yuki Shimamura; Michiharu Niimi (APSIPA ASC, 2023)

Ultimatelink Between Characters Having a Certain Meaning in Physical Space to URL in Cyberspace with Robust Print and Scan. - Keiji Yamadera; Michiharu Niimi (APSIPA ASC, 2023)

Generation of target speech with speaker individuality based on accent conversion for English pronunciation learning. - Rei Hamakawa; Michiharu Niimi (APSIPA, 2024)

Generation of Photo Slideshow with Song based on Closeness between Concept of Lyrics and That of Images. - Mei Hashimoto; Michiharu Niimi (APSIPA, 2024)

Detection of Diffusion-Generated Images Using Sparse Coding. - Daishi Tanaka; Michiharu Niimi (APSIPA, 2024)

Improved Ultimate Link without Markers for Projective Transformation. - Keiji Yamadera; Michiharu Niimi (APSIPA, 2024)

Foreword. - Michiharu Niimi (IEICE Trans. Inf. Syst., 2025)