Results 31 to 40 of about 83,293 (195)

Image Watermarking Using DWT_DCT [PDF]

Engineering and Technology Journal, 2010
Digital watermarking has been developed to protect digital images fromillegal manipulation. Discrete wavelet Transform (DWT) and Discrete Cosine Transform (DCT) are techniques used for digital watermarking.
Bassim Abdulbaki Jumaa, Arwa Aladdin
doaj   +1 more source

Islanding detection in distributed generators using GBDT-JS techniques

Science and Technology for Energy Transition, 2023
Renewable Energy Sources (RES) using PV arrays are considered and extensively employed in today’s world. Islanding is an issue that happens when The RES is connected to the grid and unexpected circuit breakers are connected to the grid trip.
Krishna Goriparthy Murali, Balakrishnan Geethalakshmi   +1 more
doaj   +1 more source

De Novo Assembly of Nucleotide Sequences in a Compressed Feature Space [PDF]

, 2017
Sequencing technologies allow for an in-depth analysis of biological species but the size of the generated datasets introduce a number of analytical challenges.
Robertson, David L., Tapinos, Avraam
core   +1 more source

The intermittent behavior and hierarchical clustering of the cosmic mass field [PDF]

, 2001
The hierarchical clustering model of the cosmic mass field is examined in the context of intermittency. We show that the mass field satisfying the correlation hierarchy $\xi_n\simeq Q_n(\xi_2)^{n-1}$ is intermittent if $\kappa < d$, where $d$ is the ...
Batchelor G. K., Cole S., Coles P., Jones B., Kirkwood J. C., Mallat S. G., Shandarin S. F., Shraiman B. I., White S. D. M., Zeldovich Ya. B.   +9 more
core   +2 more sources

A ducted wind turbine simulation model for building simulation [PDF]

, 2004
Power production is shifting away from centralized generation plants to production of heat and power at the point of demand. A technology that may play a part in this shift is the ducted wind turbine (DWT).
A Grant, BRE Digest 346, Clarke JA, Clarke JA, Feranec T, Grant AD, Grant AD, Liddament MW, N Kelly, Schlichting H   +9 more
core   +1 more source

Bayesian wavelet de-noising with the caravan prior [PDF]

, 2019
According to both domain expert knowledge and empirical evidence, wavelet coefficients of real signals tend to exhibit clustering patterns, in that they contain connected regions of coefficients of similar magnitude (large or small). A wavelet de-noising
Gugushvili, Shota, Schauer, Moritz, Spreij, Peter, van der Meulen, Frank   +3 more
core   +3 more sources

Multiple distributed generators islanding detection using GBDT-JS techniques

Science and Technology for Energy Transition
Photovoltaic arrays and wind Distributed Generators (DG) have become integral to our renewable energy landscape. However, when a DG disconnects from the grid, the risk of islanding arises, necessitating detection within the stringent of two-second ...
Goriparthy Murali Krishna, Balakrishnan Geethalakshmi   +1 more
doaj   +1 more source

Image fusion in the JPEG 2000 domain [PDF]

, 2006
This paper presents a novel approach to image fusion in the JPEG 2000 domain. In this scheme, compressed images are fused without the need for full decompression. The proposed method can be integrated with the existing JPEG 2000 tools.
Bull, DR, Canagarajah, CN, Canga, EF
core   +2 more sources

A Study Concerning Soft Computing Approaches for Stock Price Forecasting

Axioms, 2019
Financial time-series are well known for their non-linearity and non-stationarity nature. The application of conventional econometric models in prediction can incur significant errors.
Chao Shi, Xiaosheng Zhuang
doaj   +1 more source

Voice Security Using Hybrid Algorithm [PDF]

Al-Rafidain Journal of Computer Sciences and Mathematics, 2010
This research deals with constructing and implementing a new digital voice security Algorithm based on hiding large amount of data (sound file) in a 24 bits host color image (RGB image). The proposed method starts with speech compression to convert human
Alyaa Abdul Majeed Haleem
doaj   +1 more source