Patent application number | Description | Published |
20110002509 | MOVING OBJECT DETECTION METHOD AND MOVING OBJECT DETECTION APPARATUS - 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 (S | 01-06-2011 |
20110013840 | IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - To provide an image processing apparatus which robustly performs segmentation on an image including an object such as a moving person with its deformation. The image processing apparatus includes: an image inputting unit ( | 01-20-2011 |
20110091073 | MOVING OBJECT DETECTION APPARATUS AND MOVING OBJECT DETECTION METHOD - To provide a moving object detection apparatus which accurately performs region extraction, regardless of the pose or size of a moving object. The moving object detection apparatus includes: an image receiving unit receiving the video sequence; a motion analysis unit calculating movement trajectories based on motions of the image; a segmentation unit performing segmentation so as to divide the movement trajectories into subsets, and setting a part of the movement trajectories as common points shared by the subsets; a distance calculation unit calculating a distance representing a similarity between a pair of movement trajectories, for each of the subsets; a geodesic distance calculation unit transforming the calculated distance into a geodesic distance; an approximate geodesic distance calculation unit calculating an approximate geodesic distance bridging over the subsets, by integrating geodesic distances including the common points; and a region extraction unit performing clustering on the calculated approximate geodesic distance. | 04-21-2011 |
20110091074 | MOVING OBJECT DETECTION METHOD AND MOVING OBJECT DETECTION APPARATUS - 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 (S | 04-21-2011 |
20110102551 | IMAGE GENERATION DEVICE AND IMAGE GENERATION METHOD - 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 ( | 05-05-2011 |
20110102641 | IMAGE GENERATION DEVICE AND IMAGE GENERATION METHOD - 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 ( | 05-05-2011 |
20110228987 | MOVING OBJECT DETECTION METHOD AND MOVING OBJECT DETECTION APPARATUS - 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. The method includes: accepting pictures included in the video (S | 09-22-2011 |
20110255747 | MOVING OBJECT DETECTION APPARATUS AND MOVING OBJECT DETECTION METHOD - 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. | 10-20-2011 |
20110255748 | ARTICULATED OBJECT REGIONARTICULATED OBJECT REGION DETECTION APPARATUS AND METHOD OF THE SAME - 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. | 10-20-2011 |
20120106794 | METHOD AND APPARATUS FOR TRAJECTORY ESTIMATION, AND METHOD FOR SEGMENTATION - 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. | 05-03-2012 |
20120206597 | MOVING OBJECT DETECTION APPARATUS AND MOVING OBJECT DETECTION METHOD - 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. | 08-16-2012 |
20120269393 | ARTICULATION REGION DISPLAY APPARATUS, ARTICULATION REGION DETECTING APPARATUS, ARTICULATION REGION BELONGINGNESS CALCULATING APPARATUS, ARTICULATED OBJECT REGION BELONGINGNESS CALCULATING APPARATUS, AND ARTICULATION REGION DISPLAY METHOD - An articulation region display apparatus includes: an articulatedness calculating unit calculating an articulatedness, based on a temporal change in a point-to-point distance and a temporal change in a geodetic distance between given trajectories; an articulation detecting unit detecting, as an articulation region, a region corresponding to a first trajectory based on the articulatedness between the trajectories, the first trajectory being in a state where the regions corresponding to the first trajectory and a second trajectory are present on the same rigid body, the regions corresponding to the first trajectory and third trajectory are present on the same rigid body, and the region corresponding to the second trajectory is connected with the region corresponding to the third trajectory via the same joint; and a display control unit transforming the articulation region into a form visually recognized by a user, and output the transformed articulation region. | 10-25-2012 |