- centroid point
- 形心点
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
centroid point
Look at other dictionaries:
Centroid — of a triangle In geometry, the centroid, geometric center, or barycenter of a plane figure or two dimensional shape X is the intersection of all straight lines that divide X into two parts of equal moment about the line. Informally, it is the… … Wikipedia
centroid — centroidal, adj. /sen troyd/, n. 1. Mech. the point that may be considered as the center of a one or two dimensional figure, the sum of the displacements of all points in the figure from such a point being zero. Cf. center of mass. 2. Also called … Universalium
centroid — noun The point at the centre of any shape, sometimes called centre of area or centre of volume. For a triangle, the centroid is the point at which the medians intersect. The co ordinates of the centroid are the average (arithmetic mean) of the co … Wiktionary
centroid — /ˈsɛntrɔɪd/ (say sentroyd) noun Mechanics, Mathematics, etc. (of a curve, surface, body, etc.) that point whose coordinates are the mean values of the coordinates of all points in the given object. For objects composed of matter of uniform… …
centroid — noun Date: 1882 1. center of mass 2. a point whose coordinates are the averages of the corresponding coordinates of a given set of points and which for a given plane or three dimensional figure (as a triangle or sphere) corresponds to the center… … New Collegiate Dictionary
centroid — cen•troid [[t]ˈsɛn trɔɪd[/t]] n. 1) mec center of mass 2) math. the point where the medians of a triangle intersect • Etymology: 1875–80 cen•troi′dal, adj … From formal English to slang
Nine-point circle — The nine points In geometry, the nine point circle is a circle that can be constructed for any given triangle. It is so named because it passes through nine significant points defined from the triangle. These nine points are: The midpoint of each … Wikipedia
Nagel point — The Nagel point (blue, N) of a triangle (black). The red triangle is the extouch triangle, and the orange circles are the excircles In geometry, the Nagel point is a point associated with any triangle. Given a triangle ABC, let TA, TB, and TC be… … Wikipedia
Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… … Wikipedia
Eight-point algorithm — The eight point algorithm is an algorithm used in computer vision to estimate the essential matrix or the fundamental matrix related to a stereo camera pair from a set of corresponding image points. It was introduced by Christopher Longuet… … Wikipedia
median point — noun : a point so placed with reference to a number of points or objects distributed over a plane surface that the sum of its distances from all the individuals is a minimum * * * Geom. centroid (def. 2) … Useful english dictionary
