1. Canon Medical Systems

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    1. Mentioned In 100 Articles

    2. Imaging apparatus, imaging method, and storage medium

      Imaging apparatus, imaging method, and storage medium
      An imaging apparatus includes a tomographic image acquisition unit configured to acquire a tomographic image indicating a polarization state of a subject based on beams of different polarizations obtained by splitting a beam into which a return beam from the subject irradiated with a measuring beam and a reference beam corresponding to the measuring beam have been combined, and a control unit configured to control an optical path length difference ...
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    3. Optical tomographic image photographing apparatus and control method therefor

      Optical tomographic image photographing apparatus and control method therefor
      An optical tomographic image photographing apparatus having a tracking function, capable of appropriately controlling a scan in acquiring a tomographic image. The optical tomographic image photographing apparatus according to the invention includes a fundus image photographing section which photographs fundus images of an eye to be inspected and a tomographic image photographing section which photographs tomographic images of the eye to be inspected. A control method of the optical tomographic ...
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    4. Optical tomographic imaging method and optical tomographic imaging apparatus

      Optical tomographic imaging method and optical tomographic imaging apparatus
      An optical tomographic imaging method of picking up a cross-sectional image of an object comprises scanning a predetermined region of the object with spots of a plurality of measurement lights in the same direction so as to irradiate different positions of the object with different spots, detecting interference signals formed by the plurality of return lights reflected or scattered by the object and a plurality of corresponding reference lights reflected ...
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    5. Tunable Surface Emitting Laser, Manufacturing Method Thereof, And Optical Coherence Tomography Apparatus Including Tunable Surface Emitting Laser

      Tunable Surface Emitting Laser, Manufacturing Method Thereof, And Optical Coherence Tomography Apparatus Including Tunable Surface Emitting Laser
      (EN) A tunable surface emitting laser includes on a semiconductor substrate (1) a first reflecting mirror (2); an active layer (4) on the first reflecting mirror which may be a DBR; a current confinement layer (6) resulting from partial oxidation of an AlGaAs layer; a conductive layer (7) on the current confinement layer (6) for providing a bias current to the active region; support portions (8) made from electrically insulating ...
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    6. Optical coherence tomographic apparatus, control method for optical coherence tomographic apparatus and storage medium

      Optical coherence tomographic apparatus, control method for optical coherence tomographic apparatus and storage medium
      An optical coherence tomographic apparatus includes a unit configured to perform tracking of an eye to be examined based on a plurality of images of the eye which are obtained at different times, and a control unit configured to control the unit which performs the tracking in a case where a plurality of tomographic images of the eye are obtained.
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    7. Image processing apparatus, control method, and optical coherence tomography system

      Image processing apparatus, control method, and optical coherence tomography system
      In an image processing apparatus, Whether image quality of a tomographic image corresponding to a predetermined position in an imaging target captured by an optical coherence tomography apparatus is within a predetermined range is determined, an instruction whether to permit the image capturing in the predetermined position is issued to the optical coherence tomography apparatus according to a determination that the image quality is out of the predetermined range, and ...
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    8. Optical coherence tomography apparatus, image processing apparatus, image processing method, and storage medium of program

      Optical coherence tomography apparatus, image processing apparatus, image processing method, and storage medium of program
      An optical coherence tomography apparatus includes a generation unit configured, based on interfering light produced by interfering a return beam and a reference beam of light emitted toward the object to be measured, to generate tomographic images of an object to be measured, an image processing unit configured to perform image processing for increasing image quality to at least one of the tomographic images generated by the generation unit, and ...
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    9. Displaying extracted structures from an OCT image superimposed on an eyeground image

      Displaying extracted structures from an OCT image superimposed on an eyeground image
      An image processing apparatus includes an extraction unit configured to extract a structure of a tested eye from an OCT image obtained by optical coherence tomography, an extraction unit configured to extract a structure of the tested eye from an eyeground image obtained by a scanning laser ophthalmoscope or a fundus camera, a calculation unit configured to calculate a reliability degree of the extraction for each of the extracted structures ...
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    10. Tomography apparatus and tomogram correction processing method

      Tomography apparatus and tomogram correction processing method
      This invention realizes accurate positional offset correction between a plurality of tomograms captured by using a tomography apparatus. The invention is a tomography apparatus which corrects the positional offsets between a plurality of two-dimensional tomograms constituting a three-dimensional tomogram. This apparatus includes a tomogram analysis unit (120) which extracts feature amounts representing the tissue of a measurement target, a tomogram selection unit (140) which selects a standard two-dimensional tomogram from ...
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    11. Optical tomographic apparatus and control method thereof

      Optical tomographic apparatus and control method thereof
      In order to change a size of an imaging area of a tomographic image of an object to be inspected easily, provided is an optical tomographic apparatus for acquiring a tomographic image of an object to be inspected, the optical tomographic apparatus including a control unit for controlling a measuring light path length changing unit to change an optical path length of measuring light in a case where the size ...
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    12. Wavelength sweeping light source and imaging apparatus using the same

      Wavelength sweeping light source and imaging apparatus using the same
      A light source apparatus includes a laser oscillator equipped with a first optical resonator, a plurality of second optical resonators including input portions respectively connected in parallel to the first optical resonator, a plurality of light extraction units configured to extract a light beam from an output portion of each second optical resonator, and a light multiplexing unit configured to multiplex the light beam extracted from each light extraction unit ...
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    13. Surface Emitting Laser And Optical Coherence Tomography Apparatus

      Surface Emitting Laser And Optical Coherence Tomography Apparatus
      A surface emitting laser is provided which requires a smaller number of components, and which can reduce the cost. A surface emitting laser includes a cavity constituted by a first reflecting mirror (101) and a second reflecting mirror (102), and having a resonant wavelength that is changed by changing a cavity length with movement (106) of the first reflecting mirror (101) in a direction facing the second reflecting mirror.
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    14. Image processing apparatus, image processing method, image processing system, SLO apparatus, and program

      Image processing apparatus, image processing method, image processing system, SLO apparatus, and program
      n image processing apparatus includes an SLO image acquisition unit configured to acquire a plurality of SLO images obtainable by an SLO apparatus that scans a target to be captured with signal light at various focus positions in an optical axis direction of the signal light. The image processing apparatus includes a structure acquisition unit configured to acquire a specific structure of the target to be captured. The image processing ...
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    15. Measuring apparatus and exposure device

      Measuring apparatus and exposure device
      An apparatus includes a system configured to split a light emitted from a light source into reference light and subject light, cause the subject light to enter into an object, and combine the subject light reflected by the object with the reference light, a detection unit configured to detect coherent light between the combined subject and reference lights, an element, provided within a light path of the reference light or ...
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  2. About Canon Medical Systems

    Canon Medical Systems

    Cannon Medical Systems Division, U.S.A.  Ophthalmic Systems.  Canon supports synergy between the Company’s retinal camera systems and Optical Coherence Tomography (OCT) products from OPTOPOL Technology S.A.