Three dimensional stereoscopic microscope

A stereoscopic and stereoscopic image pairing technology, applied in microscopes, stereoscopic systems, endoscopes, etc., can solve problems such as low contrast, difficult stereoscopic image fusion, and difficult observation of research objects

Inactive Publication Date: 2014-08-13
FRONT STREET DIVERSIFIED INCOME CLASS ITS MANAGER FRONT STREET INVESTMENT MANAGEMENT
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  • Claims
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Problems solved by technology

Brightfield emitted illumination on the guide axis has the potential disadvantage of generating very little contrast, which can make it difficult to observe the subject of study throug

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  • Three dimensional stereoscopic microscope
  • Three dimensional stereoscopic microscope
  • Three dimensional stereoscopic microscope

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Embodiment Construction

[0051]In a typical microscope, the intrusion of defects makes 3D depth perception very difficult indeed. Since the different surfaces of an object in this environment are often illuminated quite differently, the combination of the human eye and brain finds it very difficult to visually combine the left and right eye images to create a single 3D image. Instead, the image is simply rendered incongruously in one eye versus the other, which creates a great deal of viewing discomfort. This does not create a three-dimensional image in the human visual system, but two images that combine erratically and intermittently, creating visual fatigue. This effect is significantly exacerbated at the high numerical apertures of typical microscope objectives described above, since such lenses allow significantly greater perspective differences than typically occur in cameras and telescopic systems. This intermittent binding effect can potentially affect whatever three-dimensional view is avail...

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Abstract

An apparatus for forming stereo image pairs is disclosed. The apparatus comprises a set of perspective apertures within a perspective aperture plate, separated within a stereoscopic horizon by an inter-aperture distance. An offset aperture is disposed inside an illuminator of the apparatus. The offset aperture is positioned to form a cone of illumination that is mirror symmetrical with respect to the two perspective apertures. The perspective apertures are adjustable both in size and in their position within the aperture plate in order to position them with respect to a cone of light produced at the perspective aperture plate. The offset aperture is similarly adjustable in size and position. The arrangement ensures that light illuminating an object viewed using the apparatus has a narrow cone of direction and angle of incidence, which ameliorates negative effects that occur in stereoscopic systems with objective lens systems having large numerical apertures.

Description

technical field [0001] The present invention generally relates to stereoscopic imaging. In particular, the present invention relates to an off-axis illumination system for use in a three-dimensional stereoscopic imaging system. Background technique [0002] The phenomenon of stereopsis, or stereopsis, is directly related to the ability of a human or animal with binocular vision to perceive depth in a scene. This is the sensory effect produced when the human brain simultaneously processes two sets of slightly different two-dimensional light data. The phenomenon experienced by an independent human observer is based on the fact that the images formed on the retinas of the observer's eyes are slightly different. A point object in a scene as observed by a human observer is imaged in the left retina with a slight difference in position compared to an image imaged in the same scene on the right retina. [0003] Initially, stereoscopic imagery was created by using images taken fr...

Claims

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Application Information

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IPC IPC(8): G02B27/22A61B1/00G02B21/06G02B21/22
CPCG02B27/22H04N13/0203G02B21/06H04N13/0242H04N13/0282A61B1/00193H04N13/0217A61B1/00188A61B1/00194G02B21/02G02B21/086G02B21/22
Inventor 伊奇罗·欣科达托马斯·N·米切尔
Owner FRONT STREET DIVERSIFIED INCOME CLASS ITS MANAGER FRONT STREET INVESTMENT MANAGEMENT
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