Abstract: An image processing device includes: an image acquisition unit configured to acquire images including at least one narrow-band image and having different wavelength component distributions from one another; an absorption information extracting unit configured to extract absorption information from a first image on the basis of a specific frequency component in the first image and correlation between the first image and a second image, the first image being a narrow-band image among the images, the second image being an image different from the first image among the images, the absorption information being image information indicating a change in absorption caused by absorption of narrow-band light used in capturing of the first image by a light absorber; and a display image generating unit configured to generate an image for display by combining the absorption information with at least any one of the images.
Abstract: An image processing apparatus includes a total pixel value calculator that sums pixel values by each color arranged in one direction and other direction, an occurrence start point detector that determines whether a pixel of interest is an axial chromatic aberration occurrence start point or not based on the calculation result or the pixel value of the pixel of interest and detects the start point, an area determining section that determines an area around the start point as an axial chromatic aberration area, a color space information calculator that calculates color space information, a color space difference calculator that calculates the difference of the color space information between the one direction and the other direction, a correction amount calculator that calculates the correction amount of axial chromatic aberration in accordance with the difference, and a corrector that corrects the axial chromatic aberration area.
Abstract: An image processing apparatus includes: a candidate region detection unit configured to detect, from an image acquired by imaging inside a lumen of a living body, a candidate region for a specific region that is a region where a specific part in the lumen has been captured; a candidate region information acquiring unit configured to acquire information related to the candidate region detected by the candidate region detection unit; an identification means determination unit configured to determine an identification means for identification of, based on the information related to the candidate region, whether or not the candidate region is the specific region; and an identification unit configured to identify whether or not the candidate region is the specific region by using the identification means determined by the identification means determination unit.
Abstract: A display control device, includes a plurality of image data-processing units acquiring and outputting image data; a synchronous signal generation unit generating and outputting asynchronous signal to a first image data-processing unit; a delay adjustment unit delaying first image data output from the first image data-processing unit for each line; a filter-processing unit performing a product-sum operation of a filter coefficient and a first partial image data; and a display image generation unit generating display image data by superimposing the filter-processing data on second image data, wherein the synchronous signal is a vertical synchronous signal included in each frame, the synchronous signal generation unit controls whether to output the synchronous signal to the first image data-processing unit earlier by a predetermined offset time, and the offset time corresponds to the number of taps and a line cycle and is within a range net exceeding a vertical retrace period.
Abstract: An image-processing device includes a high-resolution combining portion that generates a combined image by combining a standard image and at least one reference image, which are acquired by capturing images of a subject in time series by using an imaging element in which multiple types of color filters are arrayed in individual pixels, in a high-resolution space where the resolution is greater than those of the standard image and the reference images.
Abstract: Motion vector calculator sets motion vector of block corresponding to partial area of first image based on the block and similarity between the block and partial area of second image, motion vector reliability calculator calculates reliability of the motion vector based on distribution of the similarities, motion vector corrector corrects motion vector of low-reliability block having reliability lower than predetermined reliability based on motion vector of high-reliability block different from the low-reliability block and having reliability equal to or higher than the predetermined reliability, and image processor sets second pixel of the second image and corresponds to first pixel of the first image based on the motion vector corrected by the motion vector corrector, and performs image processing using signal value of the first pixel and signal value of the second pixel.
Abstract: An imaging apparatus includes an imaging unit, a first image processor, and a record processor. The imaging unit sequentially acquires image data groups comprising pieces of image data different in exposure conditions to generate HDR moving image frames. The first image processor subjects the pieces of the image data belonging to each of the image data groups to first composition processing, to generate HDR moving image data comprising HDR moving image frames. The record processor is configured to record image data for still images so that the pieces of the image data belonging to each of the image data groups are subjected to second composition processing different from the first composition processing, to generate HDR still image data.
Abstract: A probe unit includes, a probe configured to treat a bone by ultrasonic vibration, a hollow sheath which surrounds the probe and which has a first portion at a small distance from a central axis, and a second portion at a greater distance from the central axis than the first portion, and a knob configured to rotate the sheath relative to the probe between a first position for insertion between the bone and a living tissue facing the bone so that the first portion is located between the bone and the living tissue and a second position for insertion between the bone and the living tissue so that the second portion is located between the bone and the living tissue.
September 8, 2017
March 15, 2018
Chie ONUMA, Manabu ISHIKAWA, Koki TOKUNAGA
Abstract: An imaging device includes: an optical system configured to concentrate incident light; an image sensor configured to receive the light entering from the optical system and perform photoelectric conversion to generate an electrical signal; a flexible printed board on which a signal cable and an electronic component are mounted, the flexible printed board being connected to an electronic pad of the image sensor; and a light-shielding member arranged between the optical system and the image sensor, a part of the light-shielding member being folded or bent to be in contact with a side surface of the optical system, and the light-shielding member being configured to shield the light entering from a direction of the side surface of the optical system and/or from between the optical system and the image sensor. The light-shielding member is a board including a circuit layer and electrically conducting with the flexible printed board.
Abstract: An imaging device includes: an image sensor including a light receiving unit, and sensor electrodes; a relay board including at least one rectangular substrate, one or more electronic components, a body part, substrate electrodes, cable electrodes, and pins standing on the substrate and configured to electrically connect the substrate electrodes and the cable electrodes, wherein the substrate electrodes are electrically and mechanically connected with the sensor electrodes; and a cable assembly including cables, and a cable fixing member, wherein cores of the cables exposed on an connection face of the cable fixing member are electrically and mechanically connected with the cable electrodes. A coefficient of thermal expansion of the image sensor, a coefficient of thermal expansion of the relay board, and a coefficient of thermal expansion of the cable assembly vary gradually in descending order or ascending order.
Abstract: An image pickup apparatus for an endoscope includes: an image pickup device including a row of external electrodes provided on an end portion of a light receiving surface; and a wiring board including end portion electrodes ultrasonically bonded to the external electrodes, in which a plurality of grooves are formed in a back face of the image pickup device, and the plurality of grooves are inclined relative to a vibration direction of ultrasonic vibration during the ultrasonic bonding.
Abstract: There is provided an image processing device include an image processing section including a pipeline in which a plurality of processing modules is connected in series, each processing modules being configured to perform a predetermined process on input data, and the image processing section performing pipeline processing by the processing modules sequentially performing the process. Each of the processing modules includes a data buffer configured to temporarily store the data in unit of processing, and a control section configured to determine whether or not to store the data in the data buffer on the basis of a state of a data flow in the pipeline processing and a state of the data stored in the data buffer, and to select a path within the processing module by which the data is transferred on the basis of a determination result, and to control an operation of the data buffer.
Abstract: A wavefront measurement apparatus includes alight source unit, a holding unit, a light reception optical system, a wavefront measurement unit, and a wavefront data generation unit. The light source unit is configured to apply light beams toward the subject optical system. The wavefront measurement unit is configured to measure light beams transmitted through the subject optical system. The wavefront data generation unit is configured to generate wavefront aberration data from results of the measurement by the wavefront measurement unit. A neighborhood of the opening portion and a neighborhood of the wavefront measurement unit are made to be optically conjugate with each other by the light reception optical system. The measurement of the light beams includes at least measurement of the light beams in a state in which a center of the opening portion is separated away from the measurement axis by a predetermined distance.
Abstract: An image pickup apparatus includes a flexible substrate, the flexible substrate includes a plurality of functional regions segmented by bending portions, one of the functional regions is an image pickup device mounting region, one of the functional regions is at least two electronic component mounting regions folded at the bending portions, and one of the functional regions is at least one wiring region provided between the adjacent mounting regions of the flexible substrate, the image pickup device mounting region has a largest surface shape among the plurality of functional regions, and the plurality of functional regions decrease in length of each of at least paired opposing sides of each surface shape, in a stepwise manner as a distance from the image pickup device mounting region increases.
Abstract: A medical manipulator system including an endoscope; a manipulator, the manipulator comprising a through-hole configured to hold the endoscope, wherein the manipulator is configured to move the endoscope; an operating unit configured to output an operating command; and a controller comprising one or more processors, the one or more processors configured to: acquire an image of the endoscope in a first configuration, the first configuration being a configuration of the endoscope at least partially inserted into the through-hole, the image comprising an inner surface of the through-hole; recognize a type of the endoscope based on the image; assign the endoscope to a recognized type of endoscope; receive an operating command from the operating unit; change the operating command based on the recognized type of endoscope to a changed operating command; and control the manipulator under the changed operating command.
Abstract: An interference fringe projection apparatus includes light source units that selectively emit light from a coherent light source from one of a plurality of optical emitters, a polarization-maintaining waveguide unit with a plurality of PANDA fibers (polarization-maintaining waveguides) that each guide light emitted from one of the plurality of optical emitters, polarization splitters that split an optical path of light emitted from each of the PANDA fibers by polarization direction, and a polarizing film that transmits only a linear polarization component in a particular direction of light split by the polarization splitter. The light source unit only emits linearly polarized light in one polarization-maintaining direction for at least one of the PANDA fibers, and the polarization-maintaining waveguide unit causes retardation of light emitted from the PANDA fibers to vary.
Abstract: A light-guiding prism includes a first optical surface which is a surface of incidence on which image light from a display element is incident, and a second optical surface, a third optical surface, a fourth optical surface, and a fifth optical surface which are at least four optical surfaces disposed to surround an optical path of the image light that is incidence from the first optical surface. A sixth optical surface reflects the image light that is guided in a prism surrounded by that at least four side surfaces, which are the second optical surface, the third optical surface, the fourth optical surface, and the fifth optical surface. The fourth optical surface and the fifth optical surface are inclined at a surface perpendicular to a surface include an incident-light axis of the image light, made by the incident-light axis and a reflected-light axis of the sixth optical surface.
Abstract: A medical manipulator including an insertion portion, where the insertion section including a bending portion and an end effector disposed on a distal end side of the insertion portion. The medical manipulator further including a motor configured to generate a first drive force for moving the bending portion; a lever configured to generate a second drive force for moving the bending portion, the lever being used to move the bending portion instead of the motor; a wire configured to transmit the first drive force or the second drive force to the bending portion; and a transmission blocking device configured to switch from the first drive force to the second drive force.
Abstract: An information acquiring method in an atomic force microscope includes, during causing the microscope to raster scan a cantilever and a sample relatively while causing a mechanical interaction between the sample and a probe provided at a free end of the cantilever, causing a first interaction having first strength between the probe and sample, acquiring first information on the sample when the first interaction is generated, causing a second interaction having second strength between the probe and sample, and acquiring second information on the sample when the second interaction is generated. The first strength and second strength are different. The causing the first interaction, the acquiring the first information, the causing the second interaction, and the acquiring the second information are performed in a same scanning region.
Abstract: A medical manipulator including: a flexible elongated section composed of an electrically conductive material and capable of transmitting torsional torque; a joint section disposed at a distal end of the elongated section, having a joint, and composed of an electrically conductive material; a treatment section attached to a distal end of the joint section; a cylindrical connection member composed of an insulating material, disposed between the elongated section and the joint section, and connecting the elongated section and the joint section; an electric cable that extends internally through the elongated section, the connection member, and the joint section in a state where the electric cable is electrically insulated from the elongated section and the joint section; and a cover composed of an insulating material and covers outer surfaces of the joint section and the elongated section.