What is X-ray astronomy detector?

The principal curvature-based region detector, also called PCBR is a feature detector used in the fields of computer vision and image analysis. Specifically the PCBR detector is designed for object...

In the fields of computer vision and image analysis, the Harris affine region detector belongs to the category of feature detection. Feature detection is a preprocessing step of several algorithms...

The Hessian affine region detector is a feature detector used in the fields of computer vision and image analysis. Like other feature detectors, the Hessian affine detector is typically used...

X-ray emission occurs from many celestial objects. These emissions can have a pattern, occur intermittently, or as a transient astronomical event. In X-ray astronomy many sources have been discovered by...

X-ray crystal truncation rod scattering is a powerful method in surface science, based on analysis of surface X-ray diffraction patterns from a crystalline surface. For an infinite crystal, the diffracted...

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This is a chronological list of short fiction by American writer Ray Bradbury. Only original works are listed, along with their first publication. Several stories exist in one or more...

In science fiction, a shrink ray is any device which uses energy to reduce the physical size of matter. Many are also capable of enlarging items as well.

Timeline of solar astronomy

Astronomy Day is an annual event in the United States and later in other countries, intended to provide a means of interaction between the general public and various astronomy enthusiasts,...