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JP2004037396 |
To provide a three-dimensional data acquiring apparatus for performing measurement, being easily carried, and suitably used for creating a three-dimensional model.A video camera 2 is capable of continuously picking up images by changing ...
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JP2004037270 |
To provide a data measuring device for calibration for eliminating the affect of lens distortion with respect to a camera for photographing by changing optical condition.The data measuring device for calibration, for deriving calibration...
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JP2004037119 |
To obtain an aerial photograph inexpensively and conveniently by photographing the ground surface by an imaging unit mounted on an aircraft being operated periodically and performing data processing based on the positional information at...
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JP2004030461 |
To perform accurate stereo matching.The surface of the ground is scanned by a TLS (three line sensor) to obtain front sight image Pf, right-under sight image Pn and a back sight image Pb of a city ground surface A. The respective images ...
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JP2004028728 |
To solve the problem in the conventional technology for detecting a ground surface as one surface that irregularities of the ground cannot be detected such that it is difficult to accurately distinguish between the irregularities of the ...
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JP2004030453 |
To delete an edge or an area caused by an object not to be made three-dimensional before stereo matching.After a stereo image on a city ground plane A picked up by a TLS (three line sensor) is divided into a plurality of area by texture ...
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JP2004012395 |
To provide a 3-D modeling method for ground laying a fixed form concrete such as a wave dissipating concrete block capable of considerably reducing a work in a site such as scaffold building and capable of reducing the risk.For setting a...
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JP2004004842 |
To provide information about orientation and position determined in relation to a support, from a diffraction pattern formed by a structure.The system for determining the orientation and/or position of the structure comprises a light sou...
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JP2004003933 |
To provide a method and a device, capable of precisely obtaining the distribution of surface displacement in easy and quick manner for an object of measurement with a low cost, and capable of freely selecting a measuring point for the me...
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JP3506510 |
PURPOSE: To obtain a highly accurate three-dimensional data in no contact with a solid-shaped object by a method wherein a solid object is photographed from a free angle to determine slice points containing feature points of a solid shap...
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JP3503384 |
To measure the shape of the earth as three-dimensional informations on a single coordinate system, and to obtain geomorphological informations on the surface of the earth. This apparatus is provided with image pick-up devices 1a, 1b whic...
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JP3503840 |
PURPOSE: To prevent the erasure defect of a background image caused by the dispersion of a focal distance in the characteristics of a CCD camera. CONSTITUTION: Concerning the vehicle periphery monitoring device for monitoring the periphe...
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JP3501936 |
To find the displacement of even an inaccessible object by picking up an image of the object to be measured including each reference point of measurement from a plurality of positions to obtain a plurality of photographic images, and res...
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JP2003346131 |
To generate an ortho-image easily without requiring a stereo image. A displacement (distance) between the reference point of an actual image and the reference point of a calculated image is obtained by changing, in order, the inclination...
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JP3498250 |
PURPOSE: To provide the apparatus and the method, which can measure the measurement targets provided at the required measuring parts of both left and right surfaces of a long member to be measured automatically and continuously by NC con...
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JP2003346144 |
To provide a method of extracting the outline of a building capable of accurately and automatically providing information on the profile of the building. A building area 2 is extracted from laser data 1 provided by laser radiation from a...
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JP2003344048 |
To provide a forest information processing system for automatically measuring the timber volume of trees of a forest area from both information on a photographed image of forest and information on the height of trees acquired from above ...
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JP2003322523 |
To provide a method capable of determining easily the impervious surface rate without measuring the area, by performing image processing of image data of an aerial photograph.In this impervious area rate examination method, a region belo...
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JP2003322659 |
To provide a method for excluding the flow velocity of tracer particles due to electrophoresis from flow velocity due to conventional electrophoresis for determining accurate electroendosmosis flow velocity.The image of the tracer partic...
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JP2003323603 |
To provide a stereo-matching method for precisely and automatically measuring a plane region existing in a stereo image.A conversion function calculating part 30 calculates a conversion coefficient corresponding to a spotting element hel...
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JP2003288581 |
To stably extract a water area according to multi-spectrum features when the water area is automatically extracted from a satellite photographic image, an aerial photographic image, etc.In a criterion calculation process 22, an R image 2...
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JP2003288592 |
To extract an urban area more stably by paying attention to texture features in the urban area when the urban area is automatically extracted from a satellite photographic image, an aerial photographic image, etc.In an edge vector acquir...
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JP2003288584 |
To realize accurate stereomatching even for an image having not only low-frequency noise, but also high-frequency noise much without being influenced by noise.A main image mean value processing part 50 calculates the luminance mean value...
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JP2003281499 |
To provide a method for detecting a flat land from a shadow image for detecting a flat land on the surface of a subject in real time by applying a shape restoration algorithm for seeking the shape of the surface of the subject based on b...
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JP2003269957 |
To make automatically correctable an positional error of a satellite image without precisely visually examining features on a large satellite image by a person, and to correct a positional error of a satellite image without including fea...
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JP2003269958 |
To provide a separate distance information provision system for providing a tree logging worker with positions of a power line and a tree present under the power line, and the calculated distance between them along with information on pr...
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JP2003256806 |
To quickly retrieve feature points on time series images by narrowing down the retrieval range of the feature points.Omniazimuth images photographed by an image input device 10 are obtained by an image obtaining part 21, and the feature ...
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JP3467572 |
PURPOSE: To provide the map generating method which can give shades represented in a composed map independently of information on the shades that remote sensing image data have. CONSTITUTION: This method includes a process wherein inform...
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JP3465047 |
To provide a stereoscopic vision system for detecting flat area provided with functions to perform self-diagnosis on displacements of the locations and attitudes of cameras due to vibrations, thermal deformation, etc., during measuring o...
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JP3467186 |
To make it easy to discriminate photographed images for photographic survey. The camera 10 is provided with a site number key 12, a photography point number key 14, an elevation key 16, and a number display panel 18. When a photographic ...
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JP3459620 |
To provide a photogrammetry apparatus allowing general business people and PC users to easily carry out photogrammetry using personal computers and general-purpose digital cameras which become rapidly widespread in recent years. Fixed pa...
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JP2003219252 |
To provide a photographing system which has a linear sensor, uses a photographing device mounted on a traveling object and can accurately calculate a photographing area on a photographing object by the linear sensor, and a photographing ...
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JP2003214848 |
To easily obtain a accurate photographing image coordinates value of a reference point, improve accuracy in camera parameters and surveying drawing, and at the same time to simplify surveying work.The brightness information of 256 gradat...
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JP2003185434 |
To compute highly accurate three dimensional data by correctly relating surveying points in a photogrammetric system using a pair of images.Any point is specified in a converted image obtained by parallelly and stereoscopically convertin...
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JP2003185433 |
To provide a method capable of easily and accurately orienting a new photograph image through the use of new and old digital photographs, automatically detecting changed sections in planimetric features through the use of the results aft...
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JP2003177017 |
To calculate ordinates of arbitrary measurement point positioning on the same plane from a single image.An object 20 is photographed with a camera 10 from an observation point C. Distances L1, L2 and L3 to three reference points S1, S2 a...
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JP3441139 |
PURPOSE: To easily select and set an orientation point such as a pass point and a reference point on an image like a photograph image. CONSTITUTION: Orientation pointers 40 capable of reflecting light are arranged at respective orientati...
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JP3441138 |
PURPOSE: To easily detect and set an orientation point such as a pass point and a reference point on a photographed image. CONSTITUTION: Orientation pointers 40 capable of reflecting light are arranged at respective orientation positions...
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JP3441657 |
To set an image point on a continuous line without setting a marker on the continuous line by finding an intersection of a line connecting image points corresponding to objet points at both sides of the continuous line with the continuou...
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JP3434008 |
PURPOSE: To provide a reference point setter wherein a control point can be easily and quickly set for an object to be photographed even if it is difficult to find a point which can be clearly photographed on the ground part of the objec...
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JP2003139532 |
To provide a strongly desired simple and quick map preparing method needing no specific reference point and no special equipment, and to provide a simple and quick map preparing method particularly effective under an urgent situation.The...
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JP2003139533 |
To provide method and apparatus for efficiently measuring road infrastructure information.A preceding car 10 is equipped with a plurality of measuring reference points 11a to 11e, a position detecting GPS receiver 12 and a gyro 15, and a...
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JP2003139838 |
To enable a GPS positioning system to accurately grasp the state of the job site of GPS positioning work.The GPS positioning system contains a fixed station and mobile stations. Each mobile station has a positioning means, an image picki...
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JP3426459 |
To perform a high-accuracy surveying operation in photogrammetry by using stereopair photographs. A subject 102 is photographed by a camera 100 and a camera 100 in a principal-point position M1 and a principal-point position M2 together ...
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JP2003130642 |
To provide a telemetry and a telemeter enabling measurement of such a measuring object as a bedrock surface even under sunlight, as well as an easier three-dimensional measurement of the shape for the measuring object.The telemetry is pr...
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JP3422471 |
To monitor and track the relative position of an object based on a plane and a point in a three-dimensional space. In this object monitoring method, an image pickup section 101 provided with a plurality of image pickup devices C1, C2 pho...
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JP2003123196 |
To simply realize judgment of an interrupting vehicle, etc., with reduced processing load.An area width is determined with the width of a vehicle as reference, the moving direction of the vehicle grasped from a steering angle is added to...
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JP2003114126 |
To provide three-dimensional surveying equipment capable of surveying the three-dimensional location of a point to be surveyed (an object to be surveyed) at a location unsurveyable by a GPS surveying equipment or unstable for survey.The ...
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JP3417775 |
To provide a target for photographic measuring with which assembly can be made simple and transport be conducted easily. A target 10 has three edge members 12, 14, and 16, among which ones 12 and 16 are coupled rotatably by hinges 18 and...
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JP3417776 |
To obtain a photogrammetry target whereby an inclination amount to a horizontal face can be measured when the target is set. Three point power sources 16, 18, 20 are set at an equilateral triangular target 10, defining a reference plane....
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