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.
Local visual homing is the process of determining the direction of movement required to return an agent to a goal location by comparing the current image with an image taken at the goal, known as the snapshot image. One way of accomplishing visual homing is by computing the correspondences between features and then analyzing the resulting flow field to determine the correct direction of motion. Typically,...
The projective space of order n over the finite field Fq, denoted Pq(n), is the set of all subspaces of the vector space Fnq. The distance function d(U,V) = dim U + dim V - 2 dim(UcapV) turns Pq(n) into a metric space. With this, an (n, M, d) code C in projective space is a subset of Pq(n) of size M such that the distance between any two codewords (subspaces) is at least d. Koetter and Kschischang...
A mobile robot can determine its rotation with respect to a goal position by comparing the image taken at the goal with the current image. Assuming that both images are omnidirectional, the current image can be shifted horizontally to determine the minimum difference with the goal image, and hence the rotation. The size of the region around the goal wherein this strategy succeeds is reduced by the...
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.