You might have heard of 2D movies and even 3D movies….but yes even 4D technology has now come up adding a new dimension to 3D….
4D technology is used primarily in medical imaging devices, such as ultrasounds or CT scanners, to produce real-time images of internal organs as they slightly shift position within the body over a period of time.

Dimensions

  • In 2D scans, an ultrasound device or CT scanner takes an image of the body along one plane, known as a “slice.” This gives doctors a simple picture of the organs that intersect that particular plane.

    3D images frequently come from a series of 2D images that a computer assembles into a three-dimensional map of the organs.

    4D takes it a step further by accounting for the movement of organs, showing how they move over a period of time. This is particularly useful for organs such as the lungs that move constantly.

Significance

Doctors can use these images to detect potential problems in fetal development. They also use them to plan radiation treatments in cancer patients, where they use these images to plot the exact location of the tumor. This in turn lets them focus more radiation on the tumor and not on healthy tissue.

Many softwares are now being designed to make 4D analysis, 4D movies etc., like     4Sight Data Analysis Software

4Sight™ data analysis software sets the standard for easy and accurate analysis of data from laser interferometers and other metrology systems. 4Sight is designed with features that make life easy: a Microsoft Windows® interface, open data file format, extensive 2D and 3D displays, filtering, data masking, fiducial alignment, diffraction analysis and much more. With simple data exchange capability you can read and analyze data from almost any analysis package. You can even make and analyze movies of samples as they change or move. 4Sight™ functions with virtually any phase shifting interferometer, as a stand alone workstation, and, of course, as the heart of 4D dynamic laser interferometers. It gives you incredible analysis power, and a short learning curve.

There are no particular risks associated with 4D ultrasound images. Since CT scans involve multiple x-ray images, there is some evidence that the radiation can cause an increased risk of cancer. Discuss any treatment methods with your physician before you undergo a procedure.

Courtesy: http://www.ehow.com

Posted by

Mahesh (MGIT ECE 4th year)

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