IEICE Trans

Masahiro IWAHASHI

Image Adjustment for Multi-Exposure Images Based on Convolutional Neural Networks Isana FUNAHASHI Taichi YOSHIDA Xi ZHANG Masahiro IWAHASHI
Publication: Publication Date: 2022/01/01 Vol. E105-D No. 1 pp. 123-133 Type of Manuscript: PAPER Category: Image Processing and Video Processing Keyword: high dynamic range imaging, multi-exposure image fusion, artifact removal, convolutional neural networks,
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Co-Propagation with Distributed Seeds for Salient Object Detection Yo UMEKI Taichi YOSHIDA Masahiro IWAHASHI
Publication: Publication Date: 2018/06/01 Vol. E101-D No. 6 pp. 1640-1647 Type of Manuscript: PAPER Category: Image Processing and Video Processing Keyword: salient object detection, label propagation, machine learning, SIFT, HDCT,
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Two-Layer Lossless Coding for High Dynamic Range Images Based on Range Compression and Adaptive Inverse Tone-Mapping Taichi YOSHIDA Masahiro IWAHASHI Hitoshi KIYA
Publication: Publication Date: 2018/01/01 Vol. E101-A No. 1 pp. 259-266 Type of Manuscript: PAPER Category: Coding Theory Keyword: HDR image coding, 2-layer coding, lossless coding, arbitrary tone-mapping,
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An Remapping Operation without Tone Mapping Parameters for HDR Images Yuma KINOSHITA Sayaka SHIOTA Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/11/01 Vol. E99-A No. 11 pp. 1955-1961 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Image Keyword: HDR image, tone mapping, inverse tone mapping,
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Channel Scaling for Integer Implementation of Minimum Lifting 2D Wavelet Transform Teerapong ORACHON Taichi YOSHIDA Somchart CHOKCHAITAM Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/07/01 Vol. E99-A No. 7 pp. 1420-1429 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: wavelet, transform, image, coding, lifting,
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Adaptive Directional Lifting Structure of Three Dimensional Non-Separable Discrete Wavelet Transform for High Resolution Volumetric Data Compression Fairoza Amira BINTI HAMZAH Taichi YOSHIDA Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/05/01 Vol. E99-A No. 5 pp. 892-899 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: adaptive directional lifting, discrete wavelet transform, lossless coding, three dimensional non-separable lifting structure,
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A Unified Tone Mapping Operation for HDR Images Expressed in Integer Data Toshiyuki DOBASHI Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/03/01 Vol. E99-A No. 3 pp. 774-776 Type of Manuscript: LETTER Category: Image Keyword: high dynamic range, tone mapping, integer,
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A Fixed-Point Global Tone Mapping Operation for HDR Images in the RGBE Format Toshiyuki DOBASHI Tatsuya MUROFUSHI Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/11/01 Vol. E97-A No. 11 pp. 2147-2153 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Keyword: tone mapping, high dynamic range, fixed-point, floating-point, low-memory,
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An Efficient Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format Taku ODAKA Wannida SAE-TANG Masaaki FUJIYOSHI Hiroyuki KOBAYASHI Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/11/01 Vol. E97-A No. 11 pp. 2181-2183 Type of Manuscript: Special Section LETTER (Special Section on Smart Multimedia & Communication Systems) Category: Keyword: index transformation, coding, sparse histogram, PIZ, ZIP,
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Reduction of Lifting Steps of Non Separable 2D Quadruple Lifting DWT Compatible with Separable 2D DWT Suvit POOMRITTIGUL Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/07/01 Vol. E97-A No. 7 pp. 1492-1499 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: wavelet, image, coding, lifting, separable,
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Reversible 2D 9-7 DWT Based on Non-separable 2D Lifting Structure Compatible with Irreversible DWT Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/10/01 Vol. E94-A No. 10 pp. 1928-1936 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: lossless, image, wavelet, coding, compatible,
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Methods for Avoiding the Checkerboard Distortion Caused by Finite Word Length Error in Multirate System Hiroaki IWAI Masahiro IWAHASHI Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/03/01 Vol. E93-A No. 3 pp. 631-635 Type of Manuscript: LETTER Category: Digital Signal Processing Keyword: checkerboard distortion, multirate system, finite word length error, cascade structure,
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Functionally Layered Video Coding for Water Level Monitoring Sakol UDOMSIRI Masahiro IWAHASHI Shogo MURAMATSU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/04/01 Vol. E91-A No. 4 pp. 1006-1014 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 20th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: water, recognition, video, coding, scalable,
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A New Unified Lossless/Lossy Image Compression Based on a New Integer DCT Somchart CHOKCHAITAM Masahiro IWAHASHI Somchai JITAPUNKUL
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2005/07/01 Vol. E88-D No. 7 pp. 1598-1606 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Circuits and Systems--Part 1) Category: Image Processing and Multimedia Systems Keyword: Integer-DCT, lossless, lossy, image compression, rounding operation, rounding effect,
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Performance Evaluation of Lossless/Lossy Wavelets for Image Compression under Lossless/Lossy Coding Criterion Somchart CHOKCHAITAM Masahiro IWAHASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/08/01 Vol. E85-A No. 8 pp. 1882-1891 Type of Manuscript: Special Section LETTER (Special Section on Digital Signal Processing) Category: Image/Visual Signal Processing Keyword: lossless, lossy, wavelet, coding gain,
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A Bit-Rate Adaptive Coding System Based on Lossless DCT Somchart CHOKCHAITAM Masahiro IWAHASHI Pavol ZAVARSKY Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/02/01 Vol. E85-A No. 2 pp. 403-413 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: lossless DCT (L-DCT), coding, lossy, lossless, near-lossless, adaptive,
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An Unwrapping of Signals in Transform Domain and Its Application in Signal Reconstruction Pavol ZAVARSKY Nobuo FUJII Noriyoshi KAMBAYASHI Masahiro IWAHASHI Somchart CHOKCHAITAM
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/07/01 Vol. E84-A No. 7 pp. 1765-1771 Type of Manuscript: PAPER Category: Image Keyword: image compression, signal reconstruction, perfect reconstruction filter bank,
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Integrated Lossy and Lossless Image Coding Based on Lossless Wavelet Transform and Lossy-Lossless Multi-Channel Prediction Somchart CHOKCHAITAM Masahiro IWAHASHI Pavol ZAVARSKY Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/05/01 Vol. E84-A No. 5 pp. 1326-1338 Type of Manuscript: PAPER Category: Image Keyword: image, coding, lossless, lossy, filter bank,
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A Reassignment Method for Improved Readability of Time-Frequency Representations Pavol ZAVARSKY Nobuo FUJII Masahiro IWAHASHI Noriyoshi KAMBAYASHI Shinji FUKUMA Takeshi MYOKEN
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/07/25 Vol. E83-A No. 7 pp. 1473-1478 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: signal analysis, time-frequency representation, reassignment method,
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Lossless Scalable Coding of Images via Lossless Multi-Channel Prediction Masahiro IWAHASHI Somchart CHOKCHAITAM Narong BUABTHONG Pavol ZAVARSKY Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/07/25 Vol. E83-A No. 7 pp. 1450-1457 Type of Manuscript: PAPER Category: Image Keyword: lossless, coding, wavelet, JPEG,
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A Multi-Unitary Decomposition of Discrete-Time Signals in Signal Analysis Pavol ZAVARSKY Takeshi MYOKEN Noriyoshi KAMBAYASHI Shinji FUKUMA Masahiro IWAHASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/01/25 Vol. E83-A No. 1 pp. 109-120 Type of Manuscript: PAPER Category: Digital Signal Processing Keyword: signal processing, multi-unitary decomposition, multi-unitary decimated filter bank,
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Realization of Universal Active Complex Filter Using CCIIs and CFCCIIs Xiaoxing ZHANG Xiayu NI Masahiro IWAHASHI Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/02/25 Vol. E81-A No. 2 pp. 244-251 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques in the Digital-Oriented Era) Category: Keyword: active filter, current conveyor, current follower, complex filter, sensitivity,
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Implementaion of Active Complex Filter with Variable Parameter Using OTAs Xiaoxing ZHANG Xiayu NI Masahiro IWAHASHI Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/09/25 Vol. E80-A No. 9 pp. 1721-1724 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: active filter, operational transconductance amplifier, analog complex filter,
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A Novel Narrow-Band Bandpass Filter and Its Application to SSB Communication Xiaoxing ZHANG Masahiro IWAHASHI Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1997/07/25 Vol. E80-C No. 7 pp. 1010-1015 Type of Manuscript: Special Section PAPER (Special Issue on New Concept Device and Novel Architecture LSIs) Category: Neural Networks and Chips Keyword: complex analog filter, bandpass filter, analytic signal, phase shift, single sideband (SSB) communication,
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A Motion Compensation Technique for Down-Scaled Pictures in Layered Coding Masahiro IWAHASHI Wataru KAMEYAMA Koichi OHYAMA Noriyoshi KAMBAYASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/08/25 Vol. E77-B No. 8 pp. 1007-1012 Type of Manuscript: PAPER Category: Signaling System and Communication Protocol Keyword: coding, drift, motion compensation, scaling, picture,
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A Linear Phase Two-Channel Filter Bank Allowing Perfect Reconstruction Hitoshi KIYA Mitsuo YAE Masahiro IWAHASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/04/25 Vol. E76-A No. 4 pp. 620-625 Type of Manuscript: PAPER Category: Linear and Nonlinear Digital Filters Keyword: digital filter, multirate digital signal processing, filter band, subband coding,
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