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Methods and systems for improving image resolution of imaging systems

An imaging system and lighting system technology, applied in the direction of analyzing materials, analyzing materials by optical means, and using light for diagnosis, etc., can solve problems such as noise and high noise

Inactive Publication Date: 2013-04-10
张渺 +1
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  • Abstract
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Problems solved by technology

[0007] In order to solve the problem of high noise in microscopic images, we have the following point of view, since the amount of light reflected at each spatial point is proportional to the intensity of the illumination light directly irradiated at that spatial point, the direct illumination of irrelevant areas other than the target area Causes a large amount of undesired light to interact with biological tissue in unrelated regions
This action only causes noise

Method used

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  • Methods and systems for improving image resolution of imaging systems
  • Methods and systems for improving image resolution of imaging systems
  • Methods and systems for improving image resolution of imaging systems

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Embodiment Construction

[0034] figure 1 It is a block diagram of an imaging system constructed based on the basic principles of the present invention. This imaging system, such as a microscopic imaging system 10, uses imaging methods 20 including various illumination methods and detection methods. The imaging system includes an illumination system 30 for emitting light or electromagnetic waves to the object or target 50 to be studied. This target 50 can be a piece of biological tissue that needs to be studied. The target 50 contains the target area 309 that needs to be studied. The area within the target but outside the target area 309 is called an area irrelevant to the study. The imaging system also includes a detection system 40 for detecting light reflected from the target 50. Taking a microscope as an example, the microscopic imaging method 20 suitable for the imaging system includes, but is not limited to, an optical microscope, a fluorescence microscope, an orthogonal polarization microscope...

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Abstract

Method and systems for improving resolution of imaging systems, such as a microscope or a medical ultrasonic scanner, are provided. The resolution of the microscope is improved by reducing direct illumination of unrelated regions of an object under examination. According to an aspect of the present invention, a method is provided to reduce the direct illumination of the unrelated regions in a detectable region such as a cone of light that otherwise could generate substantial noises. In another aspect of the invention, a method is provided that focuses the illumination beams such that the width of the projected beam spot is narrowed, preventing the generation of a large amount of noise. In particular, the width of the illumination beam is narrowed such that the size of the projected illumination beam is smaller than the field of view of the microscope.; In another aspect of the invention, a system according to the principles of the present invention is provided, wherein the illumination beam of light is such arranged that the overlap of the path of the illumination beam of light and the detectable region is reduced.

Description

Technical field [0001] The present invention relates to an illumination method and system, which are used to reduce image noise in an imaging system and improve image resolution. In particular, the method and system can be used to reduce image noise and improve resolution of a living tissue microscope to obtain real-time high-resolution images. Background technique [0002] In an imaging system (such as a microscope or medical ultrasound equipment), when electromagnetic waves (such as visible light or ultrasound) irradiate a target, there are many interactions between the electromagnetic waves (light) and the target. Specifically, when a target (such as a biological tissue) is illuminated by light, a series of interactions occur between the light and the biological tissue. These can include reflection, refraction, scattering, diffusion, diffraction, etc., all of which can cause changes in the light path and other characteristics such as intensity, phase, and polarization. These...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B21/06G01B9/04G01N21/01A61B5/00
CPCG02B21/10A61B5/0059
Inventor 张渺胡晖
Owner 张渺
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