Abstract:
A biological measurement apparatus includes: an endoscope including a treatment instrument insertion channel provided inside an insertion portion; a pump that delivers water into the treatment instrument insertion channel; an optical system, etc., that guide light from a light source that emits light in a predetermined wavelength band into the water delivered into the treatment instrument insertion channel; and a spectroscope that detects return light resulting from the light passing through the water, falling on and being reflected by an object and returning while passing through the water when the water is delivered from the pump.
Abstract:
An imaging system according to the present invention includes: a light source unit which emits illuminating light to illuminate an object; an illuminating-light transmitting unit which transmits the illuminating light; a timing adjustment unit which, being placed between the illuminating-light transmitting unit and the object, varies timing with which rays contained in the illuminating light which has passed through the illuminating-light transmitting unit reach a surface of the object; a reflected-light incidence unit upon which reflected light coming from the surface of the object is incident; a light detection unit which temporally breaks down the reflected light incident upon the reflected-light incidence unit, converts the reflected light into an electrical signal, and outputs the electrical signal in sequence; and a signal processing unit which converts the electrical signal outputted in sequence by the light detection unit into pixel information about an optical image on the surface of the object.
Abstract:
There is provided a living body observing apparatus capable of reducing time period to be spent on observation of a subject in a living body. The living body observing apparatus of the invention includes: illumination means including one or a plurality of semiconductor light emitting elements for emitting illumination light to illuminate a subject; image pickup means for picking up an image of the subject illuminated by the illumination light emitted from the illumination means, and outputting the picked-up image as an image pickup signal; color separation means for separating the image of the subject into red, green, and blue components; and image processing means for performing a predetermined processing on the image pickup signal outputted from the image pickup means, and outputting the processed image pickup signal as a video signal to display the image of the subject on display means. The image processing means performs, as the predetermined processing, color conversion processing to convert the blue component in the image pickup signal into a green component in the video signal, and convert the green component in the image pickup signal into a red component in the video signal.
Abstract:
There is provided a living body observing apparatus capable of reducing time period to be spent on observation of a subject in a living body. The living body observing apparatus of the invention includes: illumination means including one or a plurality of semiconductor light emitting elements for emitting illumination light to illuminate a subject; image pickup means for picking up an image of the subject illuminated by the illumination light emitted from the illumination means, and outputting the picked-up image as an image pickup signal; color separation means for separating the image of the subject into red, green, and blue components; and image processing means for performing a predetermined processing on the image pickup signal outputted from the image pickup means, and outputting the processed image pickup signal as a video signal to display the image of the subject on display means. The image processing means performs, as the predetermined processing, color conversion processing to convert the blue component in the image pickup signal into a green component in the video signal, and convert the green component in the image pickup signal into a red component in the video signal.
Abstract:
An endoscope system includes a light source for supplying three narrow wavelength bands including one wavelength band for exciting fluorescence, an excitation light cut filter for transmitting light having a wavelength greater than either 470 nm or 490 nm, and an image capturing unit for capturing the light transmitted by the excitation light cut filter and outputting three wavelength band signals corresponding to the three narrow wavelength bands of the light source. Also included are first, second and third frame memories for inputting and storing the three wavelength band signals, respectively, and first, second and third output ends for outputting first, second and third color signals, respectively, to a monitor for displaying an image. An image processor receives signals from the first, second and third frame memories respectively and selects among the first output end, the second output end and third output end for outputting the received signals to the monitor.
Abstract:
Tissue information of a desired deep portion of a biological tissue based on a spectral image obtained from signal processing is adjusted to image information in a color tone suitable for observation. Outputs of a matrix computing section 436 are respectively connected to integrating sections 438a to 438c, and after integrating computation is performed for them, color conversion computation is performed for respective spectral image signals ΣF1 to ΣF3 in a color adjusting section 440, spectral color channel image signals Rch, Gch and Bch are created from the spectral image signals ΣF1 to ΣF3, and images of the spectral color channel images Rch, Gch and Bch are sent to a display monitor 106 via a switching section 439.
Abstract:
A subject observation apparatus of the invention includes: a light-emitting section for emitting a light to a subject; an optical modulation section for detecting a scattering angle of a return light from the subject and performing optical modulation on the return light in accordance with the scattering angle; and a signal output section for generating a signal to show a state of light scattering in the subject based on the light subjected to the optical modulation by the optical modulation section, and outputting the generated signal.
Abstract:
A biological observation apparatus comprises a color image signal creating section that performs signal processing on either a first image pickup signal for which a subject to be examined illuminated by white illumination light is picked up by a color filter having a transmitting characteristic of a plurality of broadband wavelengths or a second image pickup signal for which a subject to be examined is picked up under illumination of frame sequential illumination lights which cover a visible range, and creates a color image signal. The biological observation apparatus comprises a spectral image signal creating section that creates a spectral image signal corresponding to a narrowband image signal through signal processing on a color image signal based on the first or second image pickup signal. The biological observation apparatus comprises one of a characteristic changing/setting section for a display color converting section that performs conversion of display colors when causing the spectral image signal to be displayed or the like, an interface section for performing an instruction operation for switching and/or confirming information including an image to be displayed, or the like.
Abstract:
Tissue information of a desired deep portion of a biological tissue based on a spectral image obtained from signal processing is adjusted to image information in a color tone suitable for observation. Outputs of a matrix computing section 436 are respectively connected to integrating sections 438a to 438c, and after integrating computation is performed for them, color conversion computation is performed for respective spectral image signals ΣF1 to ΣF3 in a color adjusting section 440, spectral color channel image signals Rch, Gch and Bch are created from the spectral image signals ΣF1 to ΣF3, and images of the spectral color channel images Rch, Gch and Bch are sent to a display monitor 106 via a switching section 439.
Abstract:
A capsule employing components for detecting blood content or hemoglobin concentration within tissue forming a lumen in vivo advantageously permits screening or diagnosis of certain diseases. In one embodiment, the capsule includes a light source for intermittently illuminating a region of tissue and a light detector for receiving interacted light from the tissue and hemoglobin therein. Methods of validating data of interacted light signal are also disclosed. A power conservation method of detecting the blood content values at different rates is further disclosed.