The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Emerging applications like smart environments and observation systems can benefit significantly by making use of semantics provided by floorplan of the environment. Cameras in the system can be calibrated with respect to the floorplan which allows their coverage to be automatically labeled with semantically meaningful regions like walls, floors and doors. Calibration with respect to floorplan requires...
This paper presents experiments of an approach based on Ncut to recognize object in brain MR images which are relevant with each other. The approach can consider the features in the 3D space through reconstruction weight matrix while using normalized cut. The eigenvectors of the weight matrix show segmentation of the images, and the object is recognized. In contrast with the original, the improved...
A fully automatic 3D reconstruction method based on images without manual modeling is presented in this paper. The method extracts 3D information from 2D images directly. Firstly, the feature points must be extracted from the images and then we match these corresponding points. Secondly, to determine the coordinates of 3D points, we should calculate the fundamental matrix, along with the extrinsic...
In this paper, a new method for 3D reconstruction of urban building based on computer vision was presented. Sequence of images was captured by a single camera. Feature points in the images were firstly extracted and tracked, and then the trajectories were analyzed. Intrinsic and external parameters of camera were derived from self-calibration, and then 3D information of objective building was finally...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.