Abstract: A classification device includes: an imaging unit that images a plurality of granular classification target objects each of which is disposed in one of a plurality of holes provided in a tray to acquire an image including the plurality of classification target objects; an acquisition unit that acquires images of each of the plurality of classification target objects by cutting out the images from the acquired image; and a sorting unit that classifies the acquired images of each of the plurality of classification target objects by using machine learning results and sorts the plurality of classification target objects based on the classification result.

Abstract: A method for producing a polytetrafluoroethylene powder, which includes subjecting tetrafluoroethylene to suspension polymerization in an aqueous medium to prepare a suspension-polymerized particle of non melt-processible polytetrafluoroethylene, drying the suspension-polymerized particle to prepare a dry particle, subjecting the dry particle to fluorine radical treatment to prepare a fluorine radical-treated particle, and crushing the fluorine radical-treated particle to produce a polytetrafluoroethylene powder. Also disclosed is a polytetrafluoroethylene formed article obtained by forming the polytetrafluoroethylene powder, as well as a polytetrafluoroethylene compression-molded article obtained by compression molding the polytetrafluoroethylene powder.

Abstract: A connection mechanism 242 of the present invention is configured such that, in a state where an inclined end surface 536 of a male connection portion 500 is brought into contact with a protruding portion 618 of a female connection portion 600, by moving the male connection portion 500 toward the female connection portion 600, the male connection portion 500 rotates and the protruding portion 618 is inserted into a guide portion 534 and a connector 532 is connected to an adapter 610. The lock mechanism 243 is configured such that the protrusion 704 of the male lock portion 700 comes in contact with a wall 858 of a circumferential recess 842 disposed in a proximal cylindrical member 806 of the female lock portion 800, and in this state, the proximal cylindrical member 806 is further moved toward a proximal fixing member 804 against an urging force of a spring 854, and then the male lock portion 700 is rotated to move to a space 856 of the circumferential recess 842.

Abstract: An optical probe 40 used for the vascular optical tomographic imaging apparatus 100 includes an optical fiber 10 having a central axis 14 and a translucent lens member 20 fixed to a tip surface 12 of the optical fiber. The lens member has an outer circumferential surface surrounding an extension axis 22 obtained by extending the central axis 14 of the optical fiber forward, a rear end surface 26 intersecting the extension axis, and a tip surface 28 intersecting the extension axis. The tip surface of the lens member is a surface extending obliquely with respect to the extension axis. The outer circumferential surface of the lens member has, at least in part, a cylindrical surface portion 24 around the extension axis or a cylindrical surface portion about an axis parallel to the extension axis.

Abstract: A method for operating an optical tomographic imaging apparatus according to the present invention includes: an initial setting step of setting initial positions of a reference mirror and a distal end of an optical part; an imaging step of imaging a biological tubular element after the initial setting step; a reference mirror adjustment step of, after the imaging step, moving the reference mirror to enlarge the image portion of the reflected light from the biological tubular element and the image portion of the reflected light from the tube while reducing an image portion of an artifact caused by reflected light from the optical part, and adjusting the image portion of the artifact to an inside of the image portion of the reflected light from the tube; a magnification adjustment step of, after the reference mirror adjustment step, resetting the image portion of the reflected light from the biological tubular element and the image portion of the reflected light from the tube to a state before the enlargement;

Abstract: An object of the present invention is to provide a water level measurement device and a shoreline extraction method each of which is capable of stably measuring the water level. A pixel selection unit (11) selects a pixel of interest (302) from a designated area (301) designated from a captured image (300), and an identification image extraction unit (12) extracts identification images (303), (304) each coming in contact with the pixel of interest (302). The identification unit (13) calculates an identification strength indicating a degree to which an area corresponding to each of the identification images (303), (304) is a water area, on a basis of the result of machine learning related to identification between the water area and a non-water area.

Abstract: The navigation apparatus calculates second navigation parameters of a mobile object corresponding to data retrieved by a data retrieval unit by using a neural network that calculates first navigation parameters of the mobile object with the data used for calculating the first navigation parameters of the mobile object as an input.

Abstract: An attitude estimation apparatus (30) includes: a data acquiring unit (32) for acquiring observation data; a range-measurement point coordinate calculator (33A) for calculating geodetic coordinates of a range-measurement point in a geodetic coordinate system using positioning data, ranging data, actual attitude data, and an estimated value of an unknown parameter representing an attitude of a flying object; an image coordinate calculator (33B) for calculating coordinates of a projected point by performing projection transformation from the geodetic coordinate system to an image coordinate system on the geodetic coordinates; an image matching processor (34) for detecting image coordinates of the range-measurement point appearing in a first captured image by executing image matching between the first captured image and a second captured image selected from captured images; and an attitude estimator (35) for correcting the estimated value such that a magnitude of a difference between the coordinates of the proje

Abstract: A processor outputs laser irradiation location identifying pattern information for displaying a laser irradiation location identifying pattern from a laser measuring device to a display screen of a display. The processor receives reflection intensity value information including reflection intensity values of laser light, and determines a laser irradiation location on the display screen of the display on the basis of the reflection intensity values included in the reflection intensity value information, the reflection intensity value information being outputted from the laser measuring device having received the laser light emitted from the laser measuring device and reflected from the laser irradiation location identifying pattern displayed on the display screen of the display. The processor outputs camera calibration pattern information for displaying a camera calibration pattern on the display screen of the display.

Abstract: To provide a cable connection structure used in a vehicle antenna device, capable of being reduced in size, easy to assemble, and having required tensile strength. The cable connection structure includes a connection terminal 10, a circuit board 20, a base plate 30, a positioning abutting part 40, and a cable clamp 50. The connection terminal 10 is attached to a braided wire 3 of a coaxial cable 1. The circuit board 20 has a signal line connection hole 21 and a ground line connection hole 22. The base plate 30 has a cable insertion hole 31. The positioning abutting part 40 is used for determining the position of the circuit board 20 on the base plate 30. The cable clamp 50 grasps a protective outer cover 4 of the coaxial cable 1, holds a core wire 2 such that the core wire 2 is exposed at a predetermined height position, and holds a connection terminal 10 such that the connection terminal 10 is exposed at a predetermined height position.

Abstract: To provide a cable connection structure used in a vehicle antenna device, capable of being reduced in size, easy to assemble, and having required tensile strength. The cable connection structure includes a connection terminal 10, a circuit board 20, a base plate 30, a positioning abutting part 40, and a cable clamp 50. The connection terminal 10 is attached to a braided wire 3 of a coaxial cable 1. The circuit board 20 has a signal line connection hole 21 and a ground line connection hole 22. The base plate 30 has a cable insertion hole 31. The positioning abutting part 40 is used for determining the position of the circuit board 20 on the base plate 30. The cable clamp 50 grasps a protective outer cover 4 of the coaxial cable 1, holds a core wire 2 such that the core wire 2 is exposed at a predetermined height position, and holds a connection terminal 10 such that the connection terminal 10 is exposed at a predetermined height position.

Abstract: An object of the present invention is to provide a water level measurement device and a shoreline extraction method each of which is capable of stably measuring the water level. A pixel selection unit (11) selects a pixel of interest (302) from a designated area (301) designated from a captured image (300), and an identification image extraction unit (12) extracts identification images (303), (304) each coming in contact with the pixel of interest (302). The identification unit (13) calculates an identification strength indicating a degree to which an area corresponding to each of the identification images (303), (304) is a water area, on a basis of the result of machine learning related to identification between the water area and a non-water area.

Abstract: An antenna device includes an antenna base including a plurality of first fitting parts, the plurality of first fitting parts being arranged with mutual spaces therebetween in a periphery edge part of the antenna base, an antenna case fixed to the antenna base, an antenna part arranged in a space enclosed by the antenna base and the antenna case, and a cover member including a plurality of a second fitting parts, each of the plurality of the second fitting parts fitting with each of the plurality of the first fitting parts.

Abstract: The present invention is provided with: a coordinates calculation unit (161) that, on the basis of data related to distance measurement points (P) indicating the distance to and the angle of a respective plurality of distance measurement points (P) and the coordinates of a laser beam irradiation reference point, and on the basis of the attitude angle of an aircraft (2), calculates coordinates of each of the distance measurement points (P) on a corresponding image among a plurality of images; a feature point extraction unit (162) that extracts feature points for each of the images; a distance calculation unit (163) that calculates, for each of the distance measurement points (P), the distance to a nearby feature point among the feature points extracted by the feature point extraction unit (162) on the basis of the coordinates calculated in the corresponding image by the coordinates calculation unit (161); and a necessity determination unit (166) that deletes unnecessary data from the data related to the distan

Abstract: An antenna device includes an antenna base, an antenna case, an antenna element and an elastic member. The antenna base includes an opening and a plurality of first fitting portions located at an interval from each other at a side wall of the opening; an antenna case secured to a first surface side of the antenna base. The antenna element is located in a space enclosed by the antenna base and the antenna case. The elastic member includes a plurality of second fitting portions fittable with the plurality of first fitting portions and a rib provided on a second surface side opposite to the first surface side and protruding in a direction away from the antenna base.

Abstract: An attitude estimation apparatus (30) includes: a data acquiring unit (32) for acquiring observation data; a range-measurement point coordinate calculator (33A) for calculating geodetic coordinates of a range-measurement point in a geodetic coordinate system using positioning data, ranging data, actual attitude data, and an estimated value of an unknown parameter representing an attitude of a flying object; an image coordinate calculator (33B) for calculating coordinates of a projected point by performing projection transformation from the geodetic coordinate system to an image coordinate system on the geodetic coordinates; an image matching processor (34) for detecting image coordinates of the range-measurement point appearing in a first captured image by executing image matching between the first captured image and a second captured image selected from captured images; and an attitude estimator (35) for correcting the estimated value such that a magnitude of a difference between the coordinates of the proje

Abstract: Image matching on a pair of image data about images which are shot at different shooting positions is performed, and a point corresponding to the coordinates of a distance measurement point on the image shown by one image data of the pair is searched through the image shown by the other image data of the pair. The value of a parameter showing the attitude of an airplane (2) is corrected in such a way that the difference between the coordinates of the distance measurement point on the image shown by the other image data of the pair and the coordinates of the corresponding point which is searched for via the image matching becomes small, to estimate the attitude of the airplane (2).

Abstract: An antenna device includes an antenna base, an antenna case, an antenna element and an elastic member. The antenna base includes an opening and a plurality of first fitting portions located at an interval from each other at a side wall of the opening; an antenna case secured to a first surface side of the antenna base. The antenna element is located in a space enclosed by the antenna base and the antenna case. The elastic member includes a plurality of second fitting portions fittable with the plurality of first fitting portions and a rib provided on a second surface side opposite to the first surface side and protruding in a direction away from the antenna base.

Abstract: A roof-mount antenna mounting structure, that can be reliably electrically connected and fixed to a vehicle roof and easily removed, includes an antenna base, first and second threaded portions, a leg washer, a leg-receiving portion, and a protruding portion. The leg washer has a washer ring having a hole through which the first threaded portion penetrates and a plurality of leg portions extending from the washer ring and each having a claw that can abut against the roof. The leg-receiving portion is detachably provided around the first threaded portion and has an abutment edge portion. The protruding portion has, at the inside of the leg portions, an inclined surface obliquely abutting against the abutment edge portion when the first and second threaded portions are fastened with each other to apply a pressing force to spread the leg portions outward with respect to the axis of the first threaded portion.

Abstract: Provided is an optical imaging system which visualizes a deep portion of a scattering body. The optical imaging system generates an image of an object to be inspected by removing a signal resulting from light reflected and scattered once by a surface of the object to be inspected from the signal obtained by means of an optical system analogous to Optical Coherence Tomography, thereby extracting a signal resulting from multiply scattered light.