A measurement apparatus comprising: an image memory unit for storing an image captured by a camera; a three-dimensional point cloud model memory unit for storing a point cloud which is formed by a point cloud measured by a laser device and of which a three-dimensional position is known as a three-dimensional point cloud model; an image displaying unit for displaying and superimposing the image stored in the image memory unit and a three-dimensional point cloud model, which corresponds to and image out of the dimensional point cloud model, which corresponds to the image out of the three-dimensional point cloud model stored in the three-dimensional point cloud model memory unit, on a screen of a displaying device, and for prompting a user to specify a position within the image which the user watches; a measurement image point obtaining unit for inputting the position within the image specified by the user as a measurement image point from an inputting device; a corresponding point detecting unit for detecting a corresponding point corresponding to the measurement image point obtained by the measurement image point obtaining unit from the point cloud of the three-dimensional point cloud model stored by the three-dimensional point cloud model memory unit; and a position calculating unit for discriminating a three-dimensional position of the measurement image point obtained by the measurement image point obtaining unit using a three-dimensional position of the corresponding point detected by the corresponding point detecting unit; characterized in that the measurement apparatus further comprises a feature region detecting unit for analysing the image stored in the image memory unit and detecting an image region in which the feature for the measurement target is captured as a feature image region; wherein the image displaying unit is configured to prompt a user to specify a position within the feature image region detected by the feature region detecting unit; and wherein the measurement image point obtaining unit is configured to input the position within the feature image region specified by the user as the measurement image point. an image memory unit for storing an image captured by a camera; a three-dimensional point cloud model memory unit for storing a point cloud which is formed by a point cloud measured by a laser device and of which a three-dimensional position is known as a three-dimensional point cloud model; an image displaying unit for displaying and superimposing the image stored in the image memory unit and a three-dimensional point cloud model, which corresponds to and image out of the dimensional point cloud model, which corresponds to the image out of the three-dimensional point cloud model stored in the three-dimensional point cloud model memory unit, on a screen of a displaying device, and for prompting a user to specify a position within the image which the user watches; a measurement image point obtaining unit for inputting the position within the image specified by the user as a measurement image point from an inputting device; a corresponding point detecting unit for detecting a corresponding point corresponding to the measurement image point obtained by the measurement image point obtaining unit from the point cloud of the three-dimensional point cloud model stored by the three-dimensional point cloud model memory unit; and a position calculating unit for discriminating a three-dimensional position of the measurement image point obtained by the measurement image point obtaining unit using a three-dimensional position of the corresponding point detected by the corresponding point detecting unit;