Sub-bands
IRIS Template Classification Using Selective Sub Bands of Wavelets
... significant sub groups will reduce the above ...frequency sub-bands in decomposition for classification may increase space and time complexity of classification ...paper sub-bands with ...
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Palm Vein Identification and Verification System Based on Spatial Energy Distribution of Wavelet Sub-Bands
... detail sub-bands (which, mainly depends on the edges ...each sub-band is utilized to establish the feature ...these sub-bands; the following steps have been followed to extract the set ...
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Video Compression USING a New Active Mesh Based Motion Compensation Algorithm in Wavelet Sub Bands
... compression, optimized active mesh motion estimation in wavelet sub bands was used. Then, motion compensation algorithm was used with sub-pixel accuracy. Followed by motion compensation algorithm, an ...
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Feature Conditioning Based on DWT Sub Bands Selection on Proposed Channels in BCI Speller
... same sub-bands for different channels. On the other hand, all sub-bands in wavelet analysis don’t make enough discrimina- tion between two ...optimal sub- bands seems to be ...
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Voice Activity Detection using Temporal Characteristics of Autocorrelation Lag and Maximum Spectral Amplitude in Sub bands
... Performance of the proposed methods are evaluated on TIMIT database with noises from NOISEX-92 database at var- ious signal-to-noise ratio (SNR) levels. From the experimental results, it is ob- served that VAD based on ...
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A wavelet approximate entropy method for epileptic activity detection from EEG and its sub bands
... For this goal four levels discrete wavelet transform (DWT) with third-order Daubechies (db3) wavelet func- tion have been used. Since our dataset is in range 0-60 Hz, coefficients D1, D2, D3, D4 and A4 corresponding to ...
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Research on Rate Maximization Algorithm Based on Sub bands for Power Line Carrier
... In order to effectively improve the collection rate of electric energy information in the low-voltage electricity collecting area under the requirement of Q / GDW 1379.4-2013 communicati[r] ...
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Noise removal in medical images using shearlet transform
... eight sub bands using 3D DWT and bilateral filter technique and in this process we got approximation coefficient using DWT and once again DWT technique used on approximation coefficient image then we ...
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A Robust Digital Image Watermarking for Biometric Template Protection Applications
... The watermarked image, obtained from embedding process is divided into sub-bands using DWT. Two level DWT is applied to the watermarked image and the watermark images are extracted from the mid-frequency ...
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Satellite Image Resolution Enhancement Using Multi Scale Decomposition and Anisotropic Diffusion
... different sub bands by using DT-DWT as shown in ...coefficient sub bands and wavelet coefficient sub ...coefficient sub bands. The HF sub bands are ...
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A Review On Image Resolution Enhancement Techniques
... dissimilar sub bands. Then, the high-frequency sub band images as well as the input low-resolution image have been interpolated, followed by combining all images to generate a new resolution enhanced ...
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FRAUD DETECTION IN CARD NOT PRESENT TRANSACTIONS BASED ON BEHAVIORAL PATTERN
... different sub band images, namely, LL, LH, HL, and HH. High-frequency sub bands contain the high-frequency component of the ...four sub band ...(LL sub band), without quantization ...
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Satellite Image Enhancement Using Dwt-Swt Method
... high-recurrence sub bands acquired by discrete wavelet change (DWT) and the low determination input picture is ...recurrence sub band picture addition into the low determination input ...
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Time Domain Characteristics of a Double-Printed UWB Dipole Antenna
... Based on the frequency domain results, the time domain characteristics of the double printed UWB antenna have been investigated for both single band and multi-band schemer. For single band schemer, the radiated pulse ...
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Design & Implementation of Fingerprint Biometrics based on Discretized Fingerprint Texture Descriptor
... Fingerprint image quality improvement is proposed. The algorithm consisted of two stages. The first stage was decomposing the input fingerprint image into four sub-bands by applying tw[r] ...
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Planar Monopole UWB Antenna with Unii1/Unii2 WLAN-Band Notched Characteristics
... Communication Commission — FCC [2]), there are still some concerns about the interferences among UWB systems and other devices that operate with different standards as those exploiting the range of frequencies from 5.15 ...
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Conditions of Electronic Structure to Obtain Large Dimensionless Figure of Merit for Developing Practical Thermoelectric Materials
... the sub- ...of sub-bands was not assumed because the two dimensional materials, such as the layered cupper oxides 12–14) and the layered cobalt oxides, 16–18) does not possess such ...the ...
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Secret Image Hiding in an Enhanced Steganography Approach using IWT
... Our proposed embedding and extraction algorithm depend on using identical threshold value in both embedding and extraction levels without using further locations in the IWT coefficients to store the indices of the ...
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An Underwater Image Mosaicing and Fusion Approach based on Weighted Aggregation Energy Threshold using Multi-wavelet Transform
... Adopting the fusion algorithm proposed while the weighted aggregation energy threshold value T=0.1, and the Biorthogonal wavelet sub-bands structure for first level of decomposition for the overlapped areas ...
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A New Method for Medical Image Denoising using DTCWT and Bilateral Filter
... is sub divided into four sub bands namely L, H, L, H using DWT ...frequency sub bands ...four sub bands namely L, H, L, H using DWT and bilateral filtering is applied on ...
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