V2EX bounding-rectangle

Bounding-rectangle

定义 Definition

bounding-rectangle(也常写作 bounding rectangle):包围矩形 / 外接矩形。指在二维平面上完全包含某个形状、点集或图像目标的矩形,常用于计算几何、图像处理与计算机图形学中;很多场景下默认指轴对齐外接矩形(边与坐标轴平行,亦称 AABB)。

发音 Pronunciation (IPA)

/band rktl/

例句 Examples

The app draws a bounding-rectangle around each detected face.
应用会在每个检测到的人脸周围画出一个外接矩形。

To speed up collision checks, the engine first tests whether the objects’ bounding-rectangles overlap before running a more precise calculation.
为了加速碰撞检测,引擎会先判断物体的外接矩形是否重叠,再进行更精确的计算。

词源 Etymology

该词由 bounding(“界定…边界的、用于包围的”,来自 bound “边界、限制”)和 rectangle(“矩形”,源自拉丁语 rectangulus,意为“直角的”)组合而成,字面意思就是“用于包围的矩形”。

相关词 Related Words

  • Axis-aligned
  • Bounding-box
  • Collision
  • Contain
  • Convex-hull
  • Geometry
  • Intersection
  • Region
  • 文学与著作中的用例 Literary / Notable Works

    • Computational Geometry: Algorithms and Applications(Mark de Berg 等):在范围查询、最小外接矩形/包围盒等主题中常出现相关术语。
    • Computer Graphics: Principles and Practice:在可视化、裁剪、加速结构与碰撞检测语境中常用到外接矩形/包围盒概念。
    • Programming Computer Vision with Python(Jan Erik Solem):在目标检测与图像区域(ROI)处理中常见用“bounding rectangle/box”描述目标的外接区域。
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