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What is primary radiation?
Primary radiation refers to the initial x-ray beam that is emitted from the x-ray tube and travels through a patient's body to create an image. It is the main source of x-ray photons used in medical imaging.
What are the differences between Image processing and computer graphics?
CG (Computer Graphics ) refers to processing of creating a new image from Geometry , Lighting parameters , Materials and Textures .Using a Computer or any other digital media While DIP(Digital Image Processing) is the process of manipulating an image acquired through some device . The image too often will be acquired from photographs,scanners , medical equipments.
In an image intensifier actually produces intensification of available light?
An image intensifier works by converting incoming photons into electrons, amplifying the electron signal, and then converting it back into photons. This process increases the brightness of the image and allows for better visibility in low-light conditions.
What part of an image intensification tube converts the X-ray image into a visible image?
Input Phosphor. The x-ray image intensifier converts the transmitted x rays into a brightened, visible light image. Within an image intensifier, the input phosphor converts the x-ray photons to light photons, which are then converted to photoelectrons within the photocathode. The electrons are accelerated and focused by a series of electrodes striking the output phosphor, which converts the accelerated electrons into light photons that may be captured by various imaging devices.
In radiology what is the term SID?
SID stands for Source to Image Distance. This is the distance between the source of photons (anode) and the image receptor.
How do you acquired image in second and third and fourth generation of ct scan?
 4th Generation: continuous movement of the patient table along the cephalocaudal direction (z-axis) of the scanner. Axial slices were generated through interpolation along the z-axis prior to Filtered Back- Projection (FBP) reconstruction
Difference between Digital image processing and computer graphics?
There is always a confusion among the newbies about the difference between Image Processing and Computer Graphics. Unless specifically mentioned , Computer Graphics is all about Synthesizing a new image from Geometry , Lighting parameters , Materials and Textures . The Emphasis is on Digital Image Synthesis. Image Processing is the process of manipulating an image acquired through some device . The image too often will be acquired from photographs,scanners , medical equipments. The emphasis is on Analysis and Enhancement of the image. Computer Vision is an area where Image Analysis is used a lot. Raster Operations dominate in the case of image processing. In the case of Computer Graphics , you will mix vector and raster operations to generate the final image.
Is a candle flame seen because it is luminious?
A candle flame is seen because the carbon hydrogen bonds in paraffin are being broken and energy is released as photons. The photons activate the photoreceptors in your retina to form an "image", then that image travels to the back of the brain through the optic nerve to be interpreted. The carbon and hydrogen atoms form new bonds with oxygen with their electrons in a lower energy state(as carbon dioxide and water).
How do mirrors form a image?
We see objects in a mirror, because a mirror, when hit by particles of light called photons, reflects the photons back to us and some reach, and enter, our eyes. by Ronan Lavery.
How does a lens form image?
A lens forms an image by refracting light rays that pass through it. As light rays converge and intersect, they create a focused image on a plane (such as a camera sensor or retina) known as the focal plane. The type of image formed can be real or virtual, depending on the placement of the object relative to the lens.
What is the term for an image through which light passes?
The term for an image through which light passes is a transparent image.
How do mirrors form a virtual image?
We see objects in a mirror, because a mirror, when hit by particles of light called photons, reflects the photons back to us and some reach, and enter, our eyes. by Ronan Lavery.
