Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Takayoshi Nakai"'
Autor:
Sangeeta Biswas, Md. Iqbal Aziz Khan, Md. Tanvir Hossain, Angkan Biswas, Takayoshi Nakai, Johan Rohdin
Publikováno v:
Life, Vol 12, Iss 7, p 973 (2022)
Color fundus photographs are the most common type of image used for automatic diagnosis of retinal diseases and abnormalities. As all color photographs, these images contain information about three primary colors, i.e., red, green, and blue, in three
Externí odkaz:
https://doaj.org/article/0a2c85dce0b44240a6646a0686c71caf
Publikováno v:
Rajshahi University Journal of Science and Engineering. 44:141-150
This study proposed an enhanced time-frequency representation of audio signal using EMD-2TEMD based approach. To analyze non-stationary signal like audio, timefrequency representation is an important aspect. In case of representing or analyzing such
Autor:
Takayoshi Nakai
Publikováno v:
Rajshahi University Journal of Science and Engineering. 44:123-130
This paper describes simulation of normal incidence sound absorption coefficients of perforated panels by transmission line parameters in a two-port network. Maa and Sakagami have investigated micro perforated panels, MPP. But their theories can trea
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :597-605
Publikováno v:
International Journal of Signal Processing, Image Processing and Pattern Recognition. 7:207-216
A new algorithm is developed to detect cardiac cycle’s systolic phase from the underwater construction workersDopplerultrasound signal. The method is on the basis of empirical mode decomposition (EMD), in combination with the discrete Hilbert trans
Autor:
Takayoshi Nakai, Xin Dang
Publikováno v:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. :820-829
Publikováno v:
The Journal of the Acoustical Society of America. 139(1)
Previous studies have found that the velum in speech production may not only serve as a binary switch with on-off states for nasal and non-nasal sounds, but also partially alter the acoustic characteristics of non-nasalized sounds. The present study
Publikováno v:
Advanced Materials Research. 222:372-375
This paper introduces an automatic decision method for designing parameters of inverse filters to simplify realization of a high-performance sound reproduction system. The reproduced performance depends on several design parameters of the inverse fil
Autor:
Takayoshi Nakai, Keita Mochizuki
Publikováno v:
Acoustical Science and Technology. 28:346-348
Estimation performance with 3D vehicle model of novel positioning algorithm in radar network systems
Publikováno v:
ITST
We focus on forward-looking systems with radar network systems for automotive. By using multiple radars, the radar network systems can achieve reliable detection and wide observation area. The forward-looking system by cameras is famous, but not all-