Abstract: A control system of a work machine includes a first position/azimuth calculation unit that calculates a position and an azimuth angle of the work machine based on a GNSS radio wave, a second position/azimuth calculation unit that calculates the position and the azimuth angle of the work machine based on an image of a plurality of targets installed on the outside of the work machine, and a switching unit that switches a first calculation mode in which the first position/azimuth calculation unit calculates the position and the azimuth angle of the work machine and a second calculation mode in which the second position/azimuth calculation unit calculates the position and the azimuth angle of the work machine.

Abstract: A control system of a work machine including a traveling body and a turning body includes a position/azimuth calculation unit that calculates a position and an azimuth angle of the turning body based on an image of a plurality of targets installed on the outside of the work machine and an inclination angle of the turning body.

Abstract: A calibration device for an imaging device includes an imaging data acquisition unit that acquires imaging data of a known external target installed at a known position outside a work range of work equipment, the imaging data being obtained by imaging of at least one imaging device provided in a work machine including the work equipment, an external target position acquisition unit that acquires a position of the known external target, and a calibration unit that calibrates the imaging device based on the position of the known external target, which is acquired by the external target position acquisition unit, and the imaging data of the known external target, which is acquired by the imaging data acquisition unit.

Abstract: A measurement system includes an imaging unit mounted to a swing body of a work machine to image a shape around the work machine, a position detection unit which determines a position of the swing body, an imaging unit position calculation unit which calculates a position of the imaging unit when the imaging unit performs imaging while the swing body swings, and a three-dimensional position calculation unit which determines a three-dimensional position around the work machine during the imaging, on the basis of a position of the imaging unit calculated by the imaging unit position calculation unit.

Abstract: A stereo camera provided in an earth-moving machine includes a first image pick-up portion and a second image pick-up portion. An optical axis of the first image pick-up portion and an optical axis of the second image pick-up portion are inclined away from a work implement at angles different from each other with respect to a central axis of the work implement in a plan view as a distance from a main body is greater.

Abstract: A position measurement system includes: an image data acquisition unit that acquires first image data photographed by a first camera of a first stereo camera provided at a work machine and second image data photographed by a second camera of the first stereo camera; a stereo measurement unit that executes stereo measurement on the basis of the first image data, the second image data, and parameters related to the first camera and the second camera; a first adjustment unit that changes at least a part of the parameters to adjust a stereo ratio of first disparity image data subjected to stereo measurement; and a second adjustment unit that changes at least a part of the parameters to adjust a scale of first three-dimensional data obtained from the first disparity image data.

Abstract: A calibration device for an imaging device includes an imaging data acquisition unit that acquires imaging data of a known external target installed at a known position outside a work range of work equipment, the imaging data being obtained by imaging of at least one imaging device provided in a work machine including the work equipment, an external target position acquisition unit that acquires a position of the known external target, and a calibration unit that calibrates the imaging device based on the position of the known external target, which is acquired by the external target position acquisition unit, and the imaging data of the known external target, which is acquired by the imaging data acquisition unit.

Abstract: A position measurement system includes: an image data acquisition unit that acquires first image data photographed by a first camera of a first stereo camera provided at a work machine and second image data photographed by a second camera of the first stereo camera; a stereo measurement unit that executes stereo measurement on the basis of the first image data, the second image data, and parameters related to the first camera and the second camera; a first adjustment unit that changes at least a part of the parameters to adjust a stereo ratio of first disparity image data subjected to stereo measurement; and a second adjustment unit that changes at least a part of the parameters to adjust a scale of first three-dimensional data obtained from the first disparity image data.

Abstract: An image pick-up apparatus includes a first stereo camera attached to a revolving unit and a second stereo camera attached to the revolving unit. The first stereo camera picks up an image of a first image pick-up range. The second stereo camera picks up an image of a second image pick-up range above or beyond the first image pick-up range.

Abstract: A stereo camera provided in an earth-moving machine includes a first image pick-up portion and a second image pick-up portion. An optical axis of the first image pick-up portion and an optical axis of the second image pick-up portion are inclined away from a work implement at angles different from each other with respect to a central axis of the work implement in a plan view as a distance from a main body is greater.

Abstract: A first stereo camera has a first image pick-up portion and a second image pick-up portion arranged on the right side of the first image pick-up portion in a lateral direction of a vehicular main body. A second stereo camera has a third image pick-up portion and a fourth image pick-up portion arranged on the right side of the third image pick-up portion in the lateral direction of the vehicular main body. The first image pick-up portion and the third image pick-up portion constitute a left image pick-up portion group. The second image pick-up portion and the fourth image pick-up portion constitute a right image pick-up portion group. The left image pick-up portion group and the right image pick-up portion group are arranged at a distance from each other in the lateral direction of the vehicular main body.

Abstract: A shape measuring system includes an object detection unit attached to a work machine and configured to detect an object and output information of the object, a shape detection unit configured to output shape information representing a three-dimensional shape of the object by using the information of the object detected by the object detection unit, and an information providing unit configured to attach time information for specifying the shape information to the shape information and output the shape information.

Abstract: A measurement system includes an imaging unit mounted to a swing body of a work machine to image a shape around the work machine, a position detection unit which determines a position of the swing body, an imaging unit position calculation unit which calculates a position of the imaging unit when the imaging unit performs imaging while the swing body swings, and a three-dimensional position calculation unit which determines a three-dimensional position around the work machine during the imaging, on the basis of a position of the imaging unit calculated by the imaging unit position calculation unit.

Abstract: A construction management system includes: an object detecting unit mounted on a work machine and configured to detect an object in a construction site and output information on the object; a shape detecting unit configured to output shape information indicating a three-dimensional shape of the object by using the information on the object detected by the object detecting unit; an information attaching unit configured to attach, to the shape information, time information indicating a time when the object is detected; and a management device configured to generate current state information on the construction site on the basis of the shape information to which a latest piece of the time information is attached.

Abstract: A construction management system includes: an object detecting unit mounted on a work machine and configured to detect an object in a construction site and output information on the object; a shape detecting unit configured to output shape information indicating a three-dimensional shape of the object by using the information on the object detected by the object detecting unit; an information attaching unit configured to attach, to the shape information, time information indicating a time when the object is detected; and a management device configured to generate current state information on the construction site on the basis of the shape information to which a latest piece of the time information is attached.

Abstract: A detection processing device, of a work machine, includes a measurement data acquisition unit which acquires measurement data of a target that is measured by a measurement device provided at a work machine, a working equipment position data calculation unit which calculates working equipment position data indicating a position of a working equipment of the work machine, and a three-dimensional data calculation unit which calculates target data that is three-dimensional data in which at least a part of the working equipment is removed, based on the measurement data and the working equipment position data.

Abstract: A position measurement system includes: at least a pair of imaging devices mounted on a work machine; a calculation unit provided at the work machine and configured to perform stereo measurement by using information of an image of an object captured by at least the pair of imaging devices; and a determination unit configured to determine condition related to image capturing by the imaging device based on a performance result of the stereo measurement.

Abstract: A shape measurement system includes a target detection unit, attached to a work machine, configured to detect a target worked on by the work machine, and configured to output information about the target, a calculation unit configured to obtain shape information indicating a three-dimensional shape of the target, by using the information about the target detected by the target detection unit, and configured to output the shape information, and a changing unit configured to change a measurement condition used when the calculation unit obtains the shape information. The measurement condition is a range of the information about the target used when the calculation unit obtains the shape information.

Abstract: A construction management system includes: an object detecting unit mounted on a work machine and configured to detect an object in a construction site and output information on the object; a shape detecting unit configured to output shape information indicating a three-dimensional shape of the object by using the information on the object detected by the object detecting unit; an information attaching unit configured to attach, to the shape information, time information indicating a time when the object is detected; and a management device configured to generate current state information on the construction site on the basis of the shape information to which a latest piece of the time information is attached.

Abstract: A construction management system includes: an object detecting unit mounted on a work machine and configured to detect an object in a construction site and output information on the object; a shape detecting unit configured to output shape information indicating a three-dimensional shape of the object by using the information on the object detected by the object detecting unit; an information attaching unit configured to attach, to the shape information, time information indicating a time when the object is detected; and a management device configured to generate current state information on the construction site on the basis of the shape information to which a latest piece of the time information is attached.