Abstract: A moving object detection apparatus includes: a stationary measure calculation unit calculating, for each of trajectories, a stationary measure representing likelihood that the trajectory belongs to a stationary object; a distance calculation unit calculating a distance representing similarity between trajectories; and a region detection unit (i) performing a transformation based on the stationary measures and the distances between the trajectories, so that a ratio of a distance between a trajectory on stationary object and a trajectory on moving object, to a distance between trajectories both belonging to stationary object becomes greater than a ratio obtained before the transformation and (ii) detecting the moving object region by separating the trajectory on the moving object from the trajectory on the stationary object, based on a geodesic distance between the trajectories.

Abstract: A moving object detection method with which a region of a moving object is accurately extracted without being affected by a change in shape or size or occlusion of the moving object and in which a distance indicating a similarity between trajectories of an image in each of the blocks included in video is calculated (S203) and a group of similar trajectories is identified as one region based on the distance (S209).

Abstract: A trajectory estimation apparatus includes: an image acceptance unit which accepts images that are temporally sequential and included in the video; a hierarchical subregion generating unit which generates subregions at hierarchical levels by performing hierarchical segmentation on each of the images accepted by the image acceptance unit such that, among subregions belonging to hierarchical levels different from each other, a spatially larger subregion includes spatially smaller subregions; and a representative trajectory estimation unit which estimates, as a representative trajectory, a trajectory, in the video, of a subregion included in a certain image, by searching for a subregion that is most similar to the subregion included in the certain image, across hierarchical levels in an image different from the certain image.

Abstract: A vehicular peripheral surveillance device includes an obstacle recognition sensor 12 which monitors an obstacle around a host vehicle 100, a lane recognition sensor 11 and a vehicle state quantity sensor 13 which detect the traveling state of the host vehicle 100, and a risk computing unit 20 which predicts the movement of the obstacle using information acquired by the obstacle recognition sensor 12, and computes a risk of the obstacle to the host vehicle 100 on the basis of the predicted movement of the obstacle. The risk computing unit 20 changes the prediction range of the movement of the obstacle on the basis of the traveling state of the host vehicle 100 detected by the lane recognition sensor 11 and the vehicle state quantity sensor 13. Therefore, the situation of the host vehicle 100 is predicted taking into consideration the movement of the obstacle, thereby realizing computation with high precision while reducing a computation load.

Abstract: A vehicle surrounding monitor device 10 includes a front area millimeter-wave radar 11 to a left dead angle millimeter-wave radar 18 which monitor different areas around a host vehicle 100, a vehicle speed sensor 21 and the like which detect the traveling state of the host vehicle 100, a winker signal sensor 31 which detect the state of a driver, and an obstacle detection method determination ECU 41 which controls the operation of the front area millimeter-wave radar 11 and the like and information processing. The obstacle detection method determination ECU 41 sets priority on the front area millimeter-wave radar 11 and the like on the basis of the traveling state of the host vehicle 100 and the state of the driver detected by the vehicle speed sensor 21, the winker signal sensor 31, and the like, and controls the operation of the front area millimeter-wave radar 11 and the like and the information processing on the basis of the priority.

Abstract: A method for producing a cemented carbide material includes producing an M3C type double carbide (wherein M comprises M1 and M2; M1 represents one or more elements selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W; and M2 represents one or more elements selected from the group consisting of Fe, Co and Ni) as a main component of the surface portion; reducing heat treating the compact at a vacuum atmosphere; carburizing the resulting WC—Co compact at a temperature of 800 to 1100° C.; subjecting the carburized compact to liquid phase sintering at a temperature of more than 1350° C. to form a sintered body; and coating a surface layer of the sintered body with a compound containing boron and/or silicon and subjecting the coated sintered body to a diffusion heat treatment at a temperature within a range from 1200 to 1350° C.

Abstract: An articulated object region detection apparatus includes: a subclass classification unit which classifies trajectories into subclasses; a distance calculating unit which calculates, for each of the subclasses, a point-to-point distance and a geodetic distance between the subclass and another subclass; and a region detection unit which detects, as a region having an articulated motion, two subclasses to which trajectories corresponding to two regions connected via the same articulation and indicating the articulated motion belong, based on a temporal change in the point-to-point distance and a temporal change in the geodetic distance between two given subclasses.

Abstract: This invention is related to a powder of a transition metal dissolved tungsten alloy carbide which comprises a transition metal element forcibly dissolved as a solid solution which represented by Formula [1] of M-W—C wherein M is one or more of Co, Fe, Ni and Mn and its tungsten alloy carbide diffused cemented carbide. The diffused cemented carbide is compatible with the conventional tungsten carbide diffused cemented carbide and comprises a binder metal and a tungsten alloy carbide which is provided with a solid solution phase of at least one transition metal element selected from the group consisting of cobalt, iron, nickel and manganese, included in a tungsten carbide skeleton, which exhibits a peak derived from a bcc tungsten phase in an X-ray diffraction diagram.

Abstract: A moving object detection apparatus includes: an image input unit which receives a plurality of pictures included in video; a trajectory calculating unit which calculates a plurality of trajectories from the pictures; a subclass classification unit which classifies the trajectories into a plurality of subclasses; an inter-subclass approximate geodetic distance calculating unit which calculates, for each of the subclasses, an inter-subclass approximate geodetic distance representing similarity between the subclass and another subclass, using an inter-subclass distance that is a distance including a minimum value of a linear distance between each of trajectories belonging to the subclass and one of trajectories belonging to the other subclass; and a segmentation unit which performs segmentation by determining, based on the calculated inter-subclass approximate geodetic distance, a set of subclasses including similar trajectories as one class.

Abstract: This invention is related to a powder of a tungsten alloy with a transition metal dissolved therein as a solid solution that is suitable as material for a cemented carbide represented by formula [1] and a material for a catalyst. The powder of tungsten alloy is characterized in that at least one transition metal element selected from the group consisting of cobalt, iron, manganese and nickel is dissolved as a solid solution in a tungsten grating and a peak derived from a bcc tungsten phase appears in an X-ray diffraction diagram. Formula [1]: M?W wherein M represents one or more elements selected from Co, Fe, Mn and Ni. The use of tungsten alloy powder can provide a tungsten carbide with a transition metal dissolved therein as a solid solution in which a solid solution phase comprising at least one transition metal element selected from the group consisting of cobalt, iron, manganese and nickel, tungsten and carbon is included in a tungsten carbide skeleton, and a tungsten carbide diffused cemented carbide.

Abstract: A moving object detection method is provided which can accurately perform segmentation on an image including an object such as a person that moves changing shape.

Abstract: A monitoring device includes: a moving object image generation unit which receives, on a frame-by-frame basis, an overall image captured by a camera and performs inter-frame differential processing on the overall image or background differential processing between the overall image and a background image that is previously prepared; a density calculation unit which transforms the differential processed image into one-dimensional information and calculates a density indicating a degree of density of moving objects or of a crowd through frequency analysis; a model generation unit which calculates a reference density of the moving objects or of the crowd based on the density of a predetermined date and time; and a situation determination unit which compares between the density at the current time and the reference density, determines whether or not the density at the current time is different from the reference density, and generates a determination result.

Abstract: The invention provides an electrophotographic photoreceptor having at least: a substrate; a photosensitive layer provided on the substrate; and an overcoat layer provided on the photosensitive layer. The overcoat layer of the photoreceptor includes at least: a cross-linked component that is obtained by cross-linking of at least one selected from a guanamine compound or a melamine compound and a charge-transporting material having at least one substituent group selected from —OH, —OCH3, —NH2, —SH, or —COOH; fluoro-resin particles; and a fluoro-alkyl group-containing copolymer. The ratio of fluorine atom present in an outermost surface of the overcoat layer as measured with energy dispersive X-ray analysis (EDS) is from approximately 1.0% by mass to approximately 20.0% by mass. The invention further provides a process cartridge, an image forming apparatus, and a method of producing the electrophotographic photoreceptor.

Abstract: An image processing device which simultaneously secures and extracts a background image, at least two object images, a shape of each object image and motion of each object image, from among plural images, the image processing device including an image input unit (101) which accepts input of plural images; a hidden parameter estimation unit (102) which estimates a hidden parameter based on the plural images and a constraint enforcement parameter, which indicates a condition of at least one of the hidden parameters, using an iterative learning method; a constraint enforcement parameter learning unit (103) which learns a constraint enforcement parameter related to the hidden parameter using an estimation result from the hidden parameter estimation unit as a training signal; and a complementary learning unit (104) which causes the estimation of the hidden parameter and the learning of the constraint enforcement parameter, which utilize the result from the learning of the hidden parameter, to be iterated.

Abstract: A method for producing a cemented carbide material includes producing an M3C type double carbide (wherein M comprises M1 and M2; M1 represents one or more elements selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W; and M2 represents one or more elements selected from the group consisting of Fe, Co and Ni) as a main component of the surface portion; reducing heat treating the compact at a vacuum atmosphere; carburizing the resulting WC—Co compact at a temperature of 800 to 1100° C.; subjecting the carburized compact to liquid phase sintering at a temperature of more than 1350° C. to form a sintered body; and coating a surface layer of the sintered body with a compound containing boron and/or silicon and subjecting the coated sintered body to a diffusion heat treatment at a temperature within a range from 1200 to 1350° C.

Abstract: Provided is an image generation device generating a high-quality image of an object under a pseudo light source at any desired position, based on geometric parameters generated from a low-quality image of the object. The image generation device includes: a geometric parameter calculation unit (102) that calculates a first geometric parameter regarding a surface structure from light source position, viewpoint position, and geometric normal information regarding the surface structure; a high-resolution database unit (103) that stores an exemplum indicating a mesostructure of a portion of the surface and has a spatial resolution higher than the geometric normal information; an exemplum expansion unit (104) that increases the exempla to be spatially expanded; a geometric parameter modification unit (105) that modifies the first geometric parameter using the increased exempla; and an image generation unit (106) that generates an output image by applying the modified geometric parameter to a reflection model.

Abstract: Provided is an image generation device generating a high-quality image of an object under a pseudo light source at any desired position, based on geometric parameters generated from a low-quality image of the object. The image generation device includes: a geometric parameter calculation unit (102) that calculates a first geometric parameter regarding a shape of a surface from light source position, viewpoint position, and geometric normal information regarding the shape; a high-resolution database unit (103) that stores an exemplum indicating a mesostructure of a portion of the surface and has a spatial resolution higher than the geometric normal information; an exemplum expansion unit (104) that increases the exempla to be spatially expanded; a geometric parameter modification unit (105) that modifies the first geometric parameter using the increased exempla; and an image generation unit (106) that generates an output image by applying the modified geometric parameter to a reflection model.

Abstract: A moving object detection method includes: extracting NL long-term trajectories (NL?2) over TL pictures (TL?3) and NS short-term trajectories (NS>NL) over TS pictures (TL>TS?2), using movement trajectories; calculating a geodetic distance between the NL long-term trajectories and a geodetic distance between the NS short-term trajectories (S205); calculating an approximate geodetic distance that is a geodetic distance between the NS movement trajectories over the TL pictures, based on the calculated geodetic distance between the long-term trajectories and geodetic distance between the short-term trajectories (S206); and performing segmentation based on the calculated approximate geodetic distance (S207).

Abstract: To provide a moving object detection apparatus which accurately performs region extraction, regardless of the pose or size of a moving object.