Corner positioning templates are proposed in order to detect the accurate positions of corners that are extracted using 4-directional edge labeling. Top-down and bottom-up directional labeling are used to label the edge segments with four kinds of labels according to their directions. The points whose labels have changed are then determined as corners. The exact positions of the missing corners...

the Four Corners and incorporates the geographic area of the four corners of the states of Colorado, New Mexico, Utah, and Arizona. It is a watershed basin for the drainage of the San Juan River, which starts in the San Juan Mountains of southwest Colorado and runs through a portion of Colorado before entering the northwest corner of New Mexico. The river, named Saint John by the Spanish explor...

This paper presents a vision based virtual mouse interface using a single camera. A virtual panel which is a rectangular board with its borders shaded by red color and its four corners shaded by blue color are extracted using HSV color quantization. In consecutive frames of a video, four corners are tracked using color based histogram tracker. The four corners of rectangular panel are mapped to...

Elena Litchman*, Paula de Tezanos Pinto, Kyle F. Edwards, Christopher A. Klausmeier, Colin T. Kremer and Mridul K. Thomas Kellogg Biological Station, Michigan State University, 3700 E Gull Lake Dr., Hickory Corners, MI 49060, USA; Department of Integrative Biology, Michigan State University, 288 Farm Lane, East Lansing, MI 48824, USA; Departamento de Ecolog ıa, Gen etica y Evoluci on, Facultad ...

It is well known that any viscous fluid flow near a corner consists of infinite series of eddies with decreasing size and intensity, unless the angle is larger than a certain critical angle [28]. The objective of the current work is to simulate such infinite series of eddies occurring in steady flows in domains with corners. The problem is approached by high-order finite element method with exp...

Radiogenic 4He is naturally produced in Earth's crust due to alpha decay of Uranium (U) and Thorium (Th). Helium has unique thermodynamic properties required for the medical imaging industry, aerospace other fields high-tech manufacturing, currently increasingly high demand. Despite its economic value, mechanisms helium migration retention sedimentary basins remain poorly understood. Oil gas wi...