spatial filter


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spatial filter

[′spā·shəl ′fil·tər]
(optics)
An optical filter that consists of a very small aperture, such as a pinhole.
References in periodicals archive ?
He is published widely in the area of radar remote sensing of the atmosphere, with an emphasis on generalized imaging problems, spatial filter design, and clutter mitigation using advanced array and signal processing techniques.
Following presents the register bank for providing the inputs for the sting detector and sharpening spatial filter with solely a one-line-buffer memory.
Another spatial filter which can do edge-preserving based image denoising is adaptive filter, where it can be represented in mathematical form is:
For example, properly using the sensor's spatial filter can allow the operator to see through or mitigate dust, fog or other obscurants, explained Nathan Smith, MAG deputy program manager for UAS.
The advantage of the proposed method is that it combines feature selection, feature extraction, and classification into a monolithic optimization problem with a low-rank regularization, because this approach includes spatial filter estimation in the optimization framework of statistical inference model.
Our idea is based on the observation that by connecting a dynamic network of controllable impedances between pairs of measurement electrodes, one can alter the shape of the spatial filter constituted by the skull.
2]): [a] purely explained by GDP, [b] purely explained by GP, [c] purely explained by the spatial filter, [d] shared component between GDP and GP, [e] shared component between GDP and the spatial filter, [f] shared component between GP and the spatial filter, [g] component shared by GDP, GP and the spatial filter and [h] residual component.
Common spatial filter includes mean filter, statistical filter, median filter and adaptive filter.
However, the signal of interest and those interfering have usually origin from different spatial regions, so it is possible to make use of spatial diversity for the aforementioned purpose using a spatial filter in reception [3].
This spatial separation can be exploited to separate signal from interference using spatial filter at the receiver.
Coupled-resonator spatial filter (CRSF) FSS was firstly introduced in [20] and further investigated in [21-24], in which two microstrip patches are coupled through an aperture to form a higher-order bandpass filter.
The webinar features a discussion of how the particle sizing techniques of spatial filter velocimetry and laser diffraction can be employed to generate a continuous information flow that supports tight control of the process, optimizing product quality and reducing operating costs.
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