V2EX harris corner

Harris Corner

释义 Definition

Harris corner 通常指计算机视觉中的“Harris 角点”(由 Harris corner detector 检测到的角点):一种对图像中局部亮度在两个方向上都发生明显变化的位置(角点/特征点)的描述,常用于特征提取、匹配、跟踪与三维重建等任务。该词也可能在语境中指“哈里斯(Harris)相关的角点/角落”,但最常见用法是算法与其检测结果。

发音 Pronunciation

/hrs krnr/

例句 Examples

We detected several Harris corners in the image.
我们在图像中检测到了多个 Harris 角点。

After smoothing the frame to reduce noise, the algorithm selects Harris corners with high response values as stable features for tracking across video sequences.
在对画面进行平滑以降低噪声之后,算法会选择响应值较高的 Harris 角点作为稳定特征,用于跨视频序列的跟踪。

词源 Etymology

“Harris corner”源自 Harris 角点检测方法的提出者之一 Chris Harris(与 Michael Stephens)。该方法发表于 1988 年的经典论文 A Combined Corner and Edge Detector,因此相关角点常以作者氏命名为 “Harris corners”。

相关词 Related Words

文献与著作 Literary Works

  • Chris Harris & Michael Stephens, A Combined Corner and Edge Detector(1988)
  • Richard Szeliski, Computer Vision: Algorithms and Applications(书中常讨论 Harris 角点/兴趣点检测)
  • David A. Forsyth & Jean Ponce, Computer Vision: A Modern Approach(常提及 Harris 角点作为经典特征检测方法之一)
  • Richard Hartley & Andrew Zisserman, Multiple View Geometry in Computer Vision(多视几何相关内容中常涉及角点/特征点的使用,含 Harris 等方法的语境)
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