| 2007 |
| 5 | EE | Ryuki Tachibana,
Tohru Nagano,
Gakuto Kurata,
Masafumi Nishimura,
Noboru Babaguchi:
Automatic Prosody Labeling Using Multiple Models for Japanese.
IEICE Transactions 90-D(11): 1805-1812 (2007) |
| 2006 |
| 4 | EE | Yuta Nakashima,
Ryuki Tachibana,
Masafumi Nishimura,
Noboru Babaguchi:
Estimation of recording location using audio watermarking.
MM&Sec 2006: 108-113 |
| 2004 |
| 3 | | Ryuki Tachibana:
Two-dimensional audio watermark for MPEG AAC audio.
Security, Steganography, and Watermarking of Multimedia Contents 2004: 139-150 |
| 2002 |
| 2 | EE | Ryuki Tachibana:
Improving Audio Watermark Robustness Using Stretched Patterns against Geometric Distortion.
IEEE Pacific Rim Conference on Multimedia 2002: 647-654 |
| 1 | EE | Ryuki Tachibana,
Shuichi Shimizu,
Seiji Kobayashi,
Taiga Nakamura:
An audio watermarking method using a two-dimensional pseudo-random array.
Signal Processing 82(10): 1455-1469 (2002) |