RANGING SENSOR, SIGNAL PROCESSING METHOD, AND RANGING MODULE

To provide a ranging sensor capable of detecting it when a measurement target is a specular object.SOLUTION: A ranging sensor is provided, comprising a signal processing unit configured to compute a distance to an object and confidence level from a signal acquired by a light reception unit configure...

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Bibliographische Detailangaben
Hauptverfasser:	KAMIUMA TAKAYUKI, YAMATO TETSUYA, OKAMOTO YASUHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING
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Beschreibung
Zusammenfassung:	To provide a ranging sensor capable of detecting it when a measurement target is a specular object.SOLUTION: A ranging sensor is provided, comprising a signal processing unit configured to compute a distance to an object and confidence level from a signal acquired by a light reception unit configured to receive reflection of irradiation light irradiated from a given light-emission source reflected back by the object, and output a determination flag indicating whether the object under measurement is a specular object with high reflectance or not. The technique disclosed herein can be applied, for example, to ranging modules for measuring distance to an object.SELECTED DRAWING: Figure 6 【課題】被測定物が鏡面反射体であることを検出できるようにする。【解決手段】測距センサは、所定の発光源から照射された照射光が物体で反射されて返ってきた反射光を受光する受光部で得られた信号から、物体までの距離と信頼度とを算出するとともに、被測定物である物体が反射率の高い鏡面反射体であるかを判定した判定フラグを出力する信号処理部を備える。本技術は、例えば、被写体までの距離を測定する測距モジュール等に適用できる。【選択図】図６