Imaging Definition and 155 Threads

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  1. P

    Easy way to remember imaging properties of lens?

    Is there an easy way to remember what kind of images will be formed from converging/diverging lens depending on where you place the object relative to the focus? For instance, how to tell if the image is inverted vs. erect, real vs. virtual, smaller vs. magnified? I always have a hard time...
  2. R

    What is the Laplace Rule and how does it work in image processing?

    Reading my physics book here, I've found something I'm not too sure on. It's called the Laplace rule and it used for finding edges in a image (digital image made from pixels and numbers). It says the rule but doesn't explain it at all: subtract the N,S,E and W neighbours from 4 times the...
  3. R

    Dynamic imaging of motion problem

    Often in the hospital setting, radiographers are asked to go up to theatre and perform real time imaging of patients for having tumours removed or drilling away some sort of object that may blocking a vessel. The mobile x-ray machine is an image intensifier (II) which is coupled to a TV which...
  4. R

    Realtime imaging of static and moving objects

    Often in the hospital setting, radiographers are asked to go up to theatre and perform real time imaging of patients for having tumours removed or drilling away some sort of object that may blocking a vessel. The mobile x-ray machine is an image intensifier (II) which is coupled to a TV which...
  5. Monique

    Which Electrophoresis Imaging System Should Molecular Biologists Buy?

    For the molecular biologists: We are thinking about buying a new E.I.S., right now we need a darkroom to take a picture of an agarose gel, so I am interested in one of those things with a hood that can be put on any table. Do you have any suggestions? Which one do you use currently?
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