ENDOSCOPE OBSERVATION ASSISTANCE SYSTEM, METHOD, APPARATUS AND PROGRAM
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Abstract
A virtual endoscope image generation unit receives, as an input, a three-dimensional medical image formed by a three-dimensional medical image formation unit, and generates a virtual endoscope image representing the body cavity viewed from a position in the three-dimensional medical image corresponding to the position of a treatment tool detected in real time by a treatment tool position detection unit. The generated virtual endoscope image is displayed on a WS display.
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Citations
38 Claims
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1-19. -19. (canceled)
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20. An endoscope observation assistance system comprising:
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a three-dimensional medical image formation unit that forms a three-dimensional medical image representing the body cavity of a subject to be examined; a treatment tool position detection unit that detects, in real time, the position of a treatment tool inserted into the body cavity; a position-of-interest specifying unit that specifies, as a position of interest, the position of a structure of interest in the body cavity in the three-dimensional medical image; a virtual endoscope image generation unit that receives the three-dimensional medical image as an input, and generates a virtual endoscope image representing the body cavity viewed from a corresponding treatment tool position, which is a position in the three-dimensional medical image corresponding to the detected position of the treatment tool; and a display unit that displays the virtual endoscope image, wherein the virtual endoscope image generation unit generates the virtual endoscope image, the field of view of which includes the specified position of interest. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. An endoscope observation assistance method comprising the steps of:
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forming a three-dimensional medical image representing the body cavity of a subject to be examined; detecting, in real time, the position of a treatment tool inserted into the body cavity; specifying, as a position of interest, the position of a structure of interest in the body cavity in the three-dimensional medical image; receiving the three-dimensional medical image as an input, and generating a virtual endoscope image representing the body cavity viewed from a corresponding treatment tool position, which is a position in the three-dimensional medical image corresponding to the detected position of the treatment tool; and displaying the virtual endoscope image, wherein the step of generating the virtual endoscope image generates the virtual endoscope image, the field of view of which includes the specified position of interest.
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37. An endoscope observation assistance apparatus comprising:
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a three-dimensional medical image obtainment unit that obtains a three-dimensional medical image representing the body cavity of a subject to be examined; a treatment tool position obtainment unit that obtains the position of a treatment tool inserted into the body cavity, and the position having been detected in real time by a treatment tool position detection unit; a position-of-interest specifying unit that specifies, as a position of interest, the position of a structure of interest in the body cavity in the three-dimensional medical image; a virtual endoscope image generation unit that receives the three-dimensional medical image as an input, and generates a virtual endoscope image representing the body cavity viewed from a corresponding treatment tool position, which is a position in the three-dimensional medical image corresponding to the obtained position of the treatment tool; and a display control unit that makes a display unit display the virtual endoscope image, wherein the virtual endoscope image generation unit generates the virtual endoscope image, the field of view of which includes the specified position of interest.
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38. A non-transitory computer-readable storage medium storing therein an endoscope observation assistance program for causing a computer to execute the steps of:
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obtaining a three-dimensional medical image representing the body cavity of a subject to be examined; obtaining the position of a treatment tool inserted into the body cavity, and the position having been detected in real time by a treatment tool position detection unit; specifying, as a position of interest, the position of a structure of interest in the body cavity in the three-dimensional medical image; receiving the three-dimensional medical image as an input, and generating a virtual endoscope image representing the body cavity viewed from a corresponding treatment tool position, which is a position in the three-dimensional medical image corresponding to the obtained position of the treatment tool; and making a display unit display the virtual endoscope image, wherein the step of generating the virtual endoscope image generates the virtual endoscope image, the field of view of which includes the specified position of interest.
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Specification