convex region meaning in Chinese

凸区域

Closed convex region
闭凸区域
The border panoramas are created by constraining viewpoint motion to arbitrary convex region of a plane , and sampling cylindrical panoramas at border of the region point by point
边界全景图通过限定视点在平面上任意的凸区域内运动，并且在区域的边界上逐点采样柱面全景图而构成。
It is different from concentric mosaics as follows . the sampling region of border panoramas can be arbitrary convex region , such as rectangle , square , triangle , circle or any other shape . and its sampling manner is sampling cylindrical panorama at border of the region point by point
它与同心拼图( concentricmosaics )的不同之处在于，采样区域可以是任意的凸区域，比如矩形、三角形、圆或者其它随意的形状，采样方式是在区域的边界上逐点采样柱面全景图。