Kabushiki Kaisha Topcon

Topcon Corporation

Naoto Kasori

Kaoru Kumagai

Hitoshi Otani

Kunihiro Hayashi

You Sasaki

Ken-ichiro Yoshino

Nobuyuki Fukaya

Jun Sasagawa

Shugo Akiyama

Ryosuke Tomizawa

Issei Hanya

Shin-ichi Hayase

Yoshimitsu Nakajima

Yuji Shirane

Satoshi Suenaga

A spectral curve acquiring device comprising: a light receiving optical system () for irradiating an irradiating light, a light receiving optical system () for dispersing and receiving a reflected irradiating light reflected by an object to be measured (), a distance meter () for measuring a distance to the object to be measured, a storage module () for storing a plurality of reference spectral curves prepared based on a light receiving intensity for each wavelength at the time of measuring a white reference plate with different distances, and a control arithmetic module (), wherein the control arithmetic module obtains a light receiving intensity of the dispersed reflected irradiating light for each wavelength based on the reference spectral curve corresponding to a distance to be measured, corrects a measurement spectral curve prepared based on the light receiving intensity, and prepares a spectral reflectance curve.

Spectral curve acquiring device, concrete measuring instrument, spectral curve acquiring method and concrete measuring method

A position at which evaluation of a defect was performed is easily identified. Relative positional relationships between three-dimensional coordinates of feature points of a photographed object and positions of a panoramic cameraare calculated based on a moving image, which is photographed by the panoramic camerawhile a vehicletravels. The position of the object photographed by a hyperspectral camerais calculated based on the relative positional relationships and exterior orientation parameters of the hyperspectral camerawith respect to the panoramic camera

Operating device, operating method, and program therefor

A measuring instrument comprises an spherical camera () for acquiring image data over total circumference, a laser scanner () installed integrally with the spherical camera and for acquiring point cloud data of the surroundings, a synchronous control unit () for controlling acquisition of data of the spherical camera and the laser scanner, a storage unit () for recording the image data and the point cloud data, an absolute scale acquiring means for acquiring an absolute scale for obtaining an absolute position of when images are photographed by the spherical camera, and a control arithmetic unit (), wherein the control arithmetic unit calculates a 3D model based on the image data, the point cloud data, and the absolute position.

Measuring instrument for preparing three-dimensional point cloud model

The present invention provides a laser survey instrument, which comprises a rotary irradiation system main unit and an object reflector, wherein said object reflector has reflection sectors divided into two or more, at least one of the reflection sectors has a reflection surface with shape gradually changing, and said rotary irradiation system main unit comprises a light emitter for emitting a polarized irradiation light beam, a rotator for rotating and irradiating the polarized irradiation light beam toward the object reflector and for detecting an irradiating direction, a tilt setting unit for tilting a rotary irradiation plane of the polarized irradiation light beam, a detecting means for detecting a polarized reflection light beam entering the rotary irradiation system main unit via said rotator and reflected from said object reflector, a reflection light detecting circuit for identifying the object reflector from output of the detecting means, and a control unit for tracing said object reflector by operating said tilt setting unit based on detecting condition of said reflection light detecting circuit and for tilting the rotation plane of said polarized irradiation light beam.

Laser survey instrument

Growing community of inventors

Tokyo-to, Japan

Naoto Kasori