spatial filters
Robust Spatial Filters on Three Class Motor Imagery EEG Data Using Independent Component Analysis
... ICA spatial filters, even the non-motor-imagery data (0 - 1 s and 0 - 2 s) or mixed-state data(0 - 7 s), which demonstrated that the performance of ICA algorithm is not related closely to the train ...
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On new spatial filters using abstract cellular complex
... useful for our study are recalled. In chapter 3, the process of transforming the digitalized image into an ACC are explained clearly. Further, a 2×2 kernel (window of size 2×2) is designed using the notion of smallest ...
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Finite Length Omni-Directional Cylindrical Spatial Filters
... cylindrical spatial filter is important for omni-directional ...planar spatial filters, as they will filter out radiation within their stop band in all the circumferential directions, whereas the ...
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A Comparative Study on Image Segmentation Using Various Combinations of Spatial Filters and Structuring Elements in Watershed Algorithm
... The present study has evaluated the result of nine combination of edge detecting spatial filters and structuring elements during morphological smoothing operation using image opening and closing [19-24]. It ...
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Investigation of the Performance of different Spatial Filters toward Mammogram De-noising
... Several filters found their application as de-noising technique, which can be segregated in two main sections, namely spatial domain filters and transform domain filters ...[5]. Spatial ...
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A Biometric Finger Knuckle Print Pattern Recognition for SURF using Spatial Filters
... on spatial filter for extracting speeded up robust features. Spatial filter is able to extract key features from an image with high level of precision without distorting image ...reconstruction. ...
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PERFORMANCE EVALUATION OF SPATIAL FILTERS USING FULL-REFERENCE IMAGE QUALITY METRICS
... [13], Adaptive weighted median filter [14] and filter based on non linear diffusion [15] belongs to post formation filtering methods which works directly on original image were best. In [16] new adaptive filtering ...
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Spatial Filters for Linearly Polarized Antennas Using Free Standing Frequency Selective Surface
... The effect of changing the spacings between elements on the location of the center frequency of the stop band is investigated. The FSS is placed in the xz-plane at y = 0, with the bowtie used as a transmitter and placed ...
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Speckle Reduction in Carotid Artery Images using Dual Tree Complex Wavelet Transform
... The performance of the proposed filters is compared with the traditional spatial filters. If the PSNR value is high it does not mean that the image is denoised in better way. Even the noise is ...
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Video Enhancement Using Adaptive Spatio-Temporal Connective Filter and Piecewise Mapping
... to spatial filters based on noise level and local motion characteristics to remove mixture of Gaussian and impulse ...the spatial filters are noniterative trilateral filters, formed by ...
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Mammogram enhancement using quadratic adaptive Volterra filter A comparative analysis in spatial and frequency domain
... The digital input mammogram (either black and white or colour) is considered with different size. First step is to convert the input mammogram into grey scale image. With grey scale image, white noise is included and ...
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Colour Recognition in Images Using Neural Networks
... and spatial filters, employing a developed rule with neural network that is generated from the primary frame of a video sequence to discover the item of a selected colour [3] ...
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AN ITERATIVE SPATIO-SPECTRAL DISCRIMINANT SCHEME FOR EEG CLASSIFICATION
... spectral filters, as is done for the spatial ...(FIR) filters are stable and have low complexity, they include several side-lobes that affect the quality of the selected frequency ...temporal ...
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Effect of Various Spatial Sharpening Filters on the Performance of the Segmented Images using Watershed Approach based on Image Gradient Magnitude and Direction
... the spatial edge sharpening filters should not be ...sharpening filters and to find the ultimate effect of them on the output ...based spatial filters along with those capable of ...
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Speckle Filtering of Ultrasound B-Scan Images- A Comparative Study of Single Scale Spatial Adaptive Filters, Multiscale Filter and Diffusion Filters
... scale spatial adaptive filters ...speckle filters) and two Diffusion filters ...the filters are best estimated by calculating twenty-one established performance metrics along with ...
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Enhanced Beam forming Designs for Multiuser MIMO-OFDM Interference Channels
... In [2] they proposed about the Cooperative algorithms for MIMO interference channels. This paper proposes three generalization of IA(interference alignment) for the multiple antenna interference channel with multiple ...
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International Journal of Computer Science and Mobile Computing
... Spatial filter can be classified into i) smoothing spatial filters and ii) sharpening spatial filters. These filters can be either linear or nonlinear. In linear filter each ...
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The limiting effect of the human visual system on image processing
... shown with used the of spatial filters that frequency the from frequency filters frequency in the basis, a hybrid the of filter's transform frequency domain number cutoff spread signal i[r] ...
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L1 Norm based common spatial patterns decomposition for scalp EEG BCI
... the spatial filters estimated by standard CSP are largely influenced by out- liers in training set and accordingly the biased CSP filters will not project test samples into the discriminative space ...
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Performance Comparison of Various Image Denoising Filters under Spatial Domain
... different spatial filters which includes Average filter, Gaussian filter, Min filter, Max filter, Median filter & Adaptive Median filter, were applied on different noisy ...the filters was ...
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