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发布时间：2022-04-24 23:19
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热心网友
时间：2023-10-14 10:02
2 digital image processing advantages and application areas
2.1 Digital Image Processing advantages
Digital image processing has many advantages, mainly reflected in: ① good reprocibility: Digital Image
Analog image processing deal with the fundamental difference is that it will not image storage, transmission or
Copy a series of transformation operations cause the degradation of image quality. ② deal with high accuracy: according to Head
Before the technology, almost a simulated image can be any size figure into two-dimensional array, which
Means that the accuracy of the digital images to meet any application requirements. ③ wide applicable: Image
May come from a variety of information sources, it can be a visible image may also be a non-visible spectroscopy
Image. From the images reflect an objective entity look-scale can be as small as the electron microscope images, large
To aerial photographs, remote sensing image and even astronomical telescope image. ④ flexibility: digital image
Treatment can not only achieve linear computation, and can achieve non-linear treatment, which can be used any number of
Study formula or logical relations to express all the operations using digital image processing can achieve.
2.2 Digital Image Processing applications
At present, the image processing technology has applications in many different areas of attention and
Major ground-breaking achievements. Belong to these areas are mainly: ① the universe detection: Other stars
Image processing; ② Communications: Image information transmission, tv phones, satellite communications, digital telephone
And so on; ③ remote areas: topography, geology, resources exploration, disaster investigation, meteorological satellite cloud pictures
Processing and target identification, etc.; ④ the biomedical field: cell analysis, chromosome classification, radiotherapy
Image processing, cell classification, a variety of CT, magnetic resonance image analysis; ⑤ job proction
Medium: nondestructive testing, Liquefied Petroleum Gas exploration, robotic vision, automatic control, such as machine parts seized
Search and identification, printed circuit board flaw inspection, CAD / CAM, computer embroidery, etc.; ⑥ Army
Things: military target detection, guidance, warning; ⑦ public order: real live photos, refer to
Patterns, footprints, seals, portraits, such as identification and treatment, container goods seized nuclear radiation imaging
Measurement, people carry with them items such as X-ray inspection; ⑧ Forecast: Weather satellite image mapping,
Transmission; ⑨ archaeological: Pictures of precious relics, paintings, murals auxiliary Recovery; ⑩ new fields:
Information security, information hiding and digital watermarking, etc..
热心网友
时间：2023-10-14 10:02
2 Advantage and application of digital pattern process
Advantage of 2.1 digital pattern process
There are a lot of advantages in digital pattern process, mainly showing in the following aspects: ①The reprocing is good: Digital picture
It deal with lie in that pattern process as simulation,it will because of memory, transmission of picture or
Duplicate and wait for a series of degradation of varying and operating and causing picture quality. ②It is high to handle the precision: Press the eye
Technology ago, nearly can turn arbitrary 2 dimension group of size one the intersection of simulation and the intersection of picture and figure, this
Mean the digitized precision of the picture can meet letting and employ the demand. ③Applicable face width: Picture
Can come from many kinds of information sources, it can be the visible light picture, also can be the invisible spectrum
Picture. By the look of objective entity's yardstick that the picture reflects, can be even as small as the electron microscope picture, it is big
Get the intersection of aviation and photo, remote sensing picture even astronomical telescope picture. ④The flexibility is high: Digital picture
Can not only finish linear operation to deal with but also can realize non-linear treatment, namely every can use and count
All operation that the relation expresses can be realized by digital pattern process to study formulae or logic.
2.2 Application of digital pattern process
At present, the treatment technology of the picture has already been paid attention to and got on a lot of different applications
Great pioneering achievement. The ones that belong to these fields are mainly as follows, ①the universe is surveyed: Other celestial bodies
Image processing; ②Communication: Information transmission of the vision, video telephone, satellite communication, digital telephone
When; ③Remote sensing: Topography, geology, resources are explored, disaster investigation, meteorological satelliter cloud chart
Dealing with and target recognition,etc.; ④Biomedical field: The cell analysis, chromosome are classified, radiated
Image processing, blood count are classified, various CT, nuclear magnetic resonance vision analysis; ⑤Job proction
China: Can't harm detecting a flaw, exploring, robot vision, automaticallying control of oil gas, examine such as the part of the machine
Check and discern, the printed circuit board flaw is checked, CAD/CAM, computer embroider etc.; ⑥Army
Thing: Reconnaissance, guidance, warning of the military target; ⑦The respects of public security men: On-the-spot photo of the outdoor scene, pointing
Line, footprint, seal, image,etc. discern and deal with, it is examined that the nuclear radiation of articles becomes alike in the container
X ray of examining, people's carry-on articles is checked etc.; ⑧Weather forecast: The cloud chart of the weather is surveyed and drawn,
Transmission; ⑨The archaeological studies: Auxiliary recovery of precious historical relic picture, famous painting, mural painting; ⑩Frontier:
Information security, information hiding and digital watermark,etc..
热心网友
时间：2023-10-14 10:03
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