45. Spectral Classifications and Multi-Band Colour Indices
نویسندگان
چکیده
منابع مشابه
Multi-band Spectral Measurement For Moisture Content
Spectral analysis is widely used for moisture determination in food. However, some types of food being composed of a number of different chemical constituents pose problems for accurate measurement of moisture due to shifts of peak spectral response and changes in peak spectral responses in the absorption bands. We investigate specific changes in spectral response to point out the spectral band...
متن کاملAdaptive two-band spectral subtraction with multi-window spectral estimation
An improved spectral subtraction algorithm for enhancing speech corrupted by additive wideband noise is described. The artifactual noise introduced by spectral subtraction that is perceived as musical noise is 7 dB less than that introduced by the classical spectral subtraction algorithm of Berouti et al. Speech is decomposed into voiced and unvoiced sections. Since voiced speech is primarily s...
متن کاملBand Analysis for Land Use in Multi Spectral Images
Hyper spectral and multi spectral image analysis is the commonly used technique for land use and land cover classification. Effective use of the land cover can play a vital role in the development of country. Multi spectral satellites use passive sensor, hence the only source of energy involved in the acquisition of satellite imagery is the reflectance of the sun. In order to investigate the ro...
متن کاملImproved Multi-band Spectral Subtraction Method for Speech Enhancement
In this paper, we propose a new approach to improve the performance of speech enhancement technique based on multi-band spectral subtraction for white Gaussian noise. First, the original power spectral subtraction and multiband spectral subtraction methods are surveyed and implemented. Next, the generalization is applied on multiband spectral subtraction. Finally, the flattened noise spectrum w...
متن کاملMulti-Band Spectral Subtraction Method for Electrolarynx Speech Enhancement
Although the electrolarynx (EL) provides an important means of voice reconstruction for patients who lose their vocal cords by laryngectomies, the radiated noise and additive environment noise reduce the intelligibility of the resulting EL speech. This paper proposes an improved spectrum subtract algorithm by taking into account the nonuniform effect of colored noise on the spectrum of EL speec...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Transactions of the International Astronomical Union
سال: 1970
ISSN: 0251-107X
DOI: 10.1017/s0251107x00024202