Akio Ogihara

Discrimination Method of Synthetic Speech Using Pitch Frequency against Synthetic Speech Falsification

Akio Ogihara · IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences · 2005 · 38 citations

Computing, Computational Engineering, Computational Acoustics +15

Biometric Verification Using Keystroke Motion and Key Press Timing for ATM User Authentication

Akio Ogihara, Hiroyuki Matsumura, Akira Shiozaki · 2006 · 22 citations

Computing, Computer Engineering, Computer Science +9

Switched-capacitor DFT and IDFT circuit

Shojiro Yoneda, Isao Nakanishi, Itsuo Sasaki et al. · International Journal of Electronics · 1989 · 16 citations

Engineering, Computer Engineering, Electrical Engineering +17

Digital watermarking method for tamper detection and recovery of JPEG images

Motoi Iwata, Tomoki Hori, Akira Shiozaki et al. · 2010 · 15 citations

Computing, Computer Science, Information Technology +14

Hand Region Extraction by Background Subtraction with Renewable Background for Hand Gesture Recognition

Akio Ogihara, Hiroshi Matsumoto, Akira Shiozaki · 2006 · 11 citations

Computing, Computer Science, Computer Vision +8