Patent application number | Description | Published |
20130096380 | IMAGING APPARATUS - An endoscope system | 04-18-2013 |
20130150713 | MEDICAL INSTRUMENT - A medical instrument is provided with: an illumination section radiating excitation light for exciting a fluorescent substance given to a subject, to the subject; an image pickup section photoelectrically converting reflected light from the subject to which the excitation light is radiated, to pick up an image of the subject; a reading section holding pixel signals obtained by the photoelectrical conversion and capable of reading the pixel signals non-destructively while changing amplification factors of the held pixel signals by a predetermined unit of pixels; and an image processing section determining an arithmetic mean of the pixel signals read with different amplification factors by the reading section to generate an image. The medical instrument improves visibility of each fluorescent area without occurrence of position displacement even in the case where multiple fluorescent areas with a relatively large brightness/darkness difference exist within one screen. | 06-13-2013 |
20130169775 | Imaging apparatus - An endoscope system according to the present invention includes: a CMOS imaging element; a timing generator and an AFE unit that are provided on a board connected to a light receiving unit and reads pixel information by causing the pixel information to be output from a pixel designated as a target to be read in the CMOS imaging element; a control circuit that is provided on the board and controls a pixel information output process by a light receiving unit and a pixel information reading process by the timing generator and the AFE unit; and an abnormality determining unit that determines whether there is an abnormality in the pixel information read by the timing generator and the AFE unit and outputs, to the control circuit, a notification signal for causing the control circuit to execute control on an occurrence of the abnormality. | 07-04-2013 |
20130169843 | IMAGE PICKUP APPARATUS - An image pickup apparatus includes first and second irradiation units that emit first light and second light, respectively, an image pickup unit that outputs, as pixel information, an electrical signal after photoelectric conversion from a pixel arbitrarily designated as a read target among pixels, a setting unit that arbitrarily sets a pixel as the read target and a read order in the image pickup unit, a control unit that controls irradiation processes in the first and second irradiation units and changes the pixel as the read target and the read order according to a type of an irradiation unit that emits light, a reading unit that reads the pixel information by causing the pixel information to be output from the pixel set as the read target, in accordance with the read order, and an image processing unit that generates an image from the pixel information read by the reading unit. | 07-04-2013 |
20130201315 | MEDICAL INSTRUMENT - A medical instrument is provided with: an image pickup section acquiring return light generated on the basis of light radiated to a subject; a frame rate setting section setting a frame rate of the image pickup section; a charge reading control section providing a blanking period between a period of reading pixels of the image pickup section and a next reading period, and controlling selection of pixels of the image pickup section to be read and a reading period on the basis of a value set by the frame rate setting section; and an illumination section providing the blanking period between the period of reading pixels of the image pickup section and the next reading period, and radiating special light to the subject during the blanking period provided by the charge reading control section. | 08-08-2013 |
20130208101 | IMAGING APPARATUS - An imaging apparatus includes first and second imaging units, a reading unit that reads pixel information from pixels set as a reading target in each of the first and second imaging units, a control unit that sets the pixels as the reading target in each of the first and second imaging units in a manner such that the pixel information is alternately read from the first and second imaging units by the reading unit, and controls timing of exposure processes in the first and second imaging units and timing of reading processes of the pixel information for the first and second imaging units by the reading unit, to be correlated with one another, a transmission unit that transmits the pixel information read from each of the first and second imaging units in a same transmission path, and an image processing unit that generates an image based on the pixel information. | 08-15-2013 |
20130222562 | IMAGING APPARATUS - An imaging apparatus includes: a first and second optical systems that focus and emit incident light, a transparent wavelength, and a focal length of them being different from each other; an imaging unit that includes a first region on which the light emitted from the first optical system is incident and a second region on which the light emitted from the second optical system is incident, can output, as pixel information, an electric signal after photoelectric conversion from pixels arbitrarily set as read targets; a setting unit that can arbitrarily set the read targets in at least one of the first region and the second region; a reading unit that reads the pixel information from the read targets; a control unit that changes the read targets according to an acquisition target image; and an image processing unit that generates the acquisition target image. | 08-29-2013 |
20130300849 | IMAGING APPARATUS - Imaging apparatus performs controlling to read pixel information from pixels belonging to target area by each frame. One frame period is period from when an exposure period for exposing pixels on a horizontal line that is to be read first from among horizontal lines belonging to the target area of a sensor is started and until when reading of the pixel information generated by each of the pixels on the horizontal line is completed. The imaging apparatus sequentially emits, by each illumination period of a length corresponding to at least two frame periods, illumination lights in synchronization with start of the exposure period. The imaging apparatus performs a predetermined controlling by performing controlling to exclude, from predetermined processing target, image data corresponding to the pixel information read during first frame period of the illumination period, while by acquiring image data corresponding to the pixel information read during other frame period. | 11-14-2013 |
20130307951 | IMAGING APPARATUS - An imaging apparatus has: a light source emitting first and second lights having different intensities as light illuminating a subject; a sensor in which pixels each generating an electric signal by receiving light and performing photoelectric conversion are arranged two-dimensionally, the sensor reading, as pixel information, the signals generated by target pixels of the pixels; an imaging controller that causes the sensor to: subject parallel lines each configured of the target pixels, to light exposure per line; and sequentially perform reading of the pixel information in the line for which the light exposure has been completed; and a light source controller that performs control to cause the light source to emit any one of the first and second lights per one-frame period being a time period necessary from reading of a first line to reading of a last line when the sensor reads the signals from the target pixels. | 11-21-2013 |
20140203170 | IMAGING SYSTEM - An imaging system includes: an illumination unit configured to emit illumination light for illuminating a subject; a light receiving unit in which pixels are arranged two-dimensionally, each pixel being configured to receive light and generate an electric signal by performing photoelectric conversion of the light; a readout unit configured to sequentially read out the electric signal from the light receiving unit for every horizontal line; and an illumination controller configured to keep intensity of the illumination light emitted from the illumination unit constant in at least a part of a readout period where the readout unit reads out the horizontal line of the light receiving unit in one frame or one field period, and configured to variably control an illumination time of the illumination light emitted from the illumination unit, outside the readout period. | 07-24-2014 |