V2EX image segmentation

Image Segmentation

定义 Definition

图像分割:把一张图像按像素划分为多个有意义的区域/对象(如前景与背景、不同器官、道路与建筑等),以便后续进行识别、测量、跟踪或理解。常见方法包括阈值分割、边缘/区域生长、聚类、图割,以及基于深度学习的语义分割与实例分割等。

发音 Pronunciation (IPA)

/md smnten/

例句 Examples

Image segmentation separates the foreground from the background.
图像分割将前景与背景分离开来。

Accurate image segmentation is crucial for medical scans because it helps doctors measure tumors and plan treatment.
精准的图像分割对医学影像非常关键,因为它能帮助医生测量肿瘤并制定治疗方案。

词源 Etymology

image 源自拉丁语 imago(“形象、图像”);segmentation 来自 segment(“分段、部分”)+ 后缀 -ation(表示“行为/过程”)。合起来字面意思是“把图像分成若干部分的过程”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Digital Image Processing(Rafael C. Gonzalez, Richard E. Woods)
  • Computer Vision: A Modern Approach(David A. Forsyth, Jean Ponce)
  • “GrabCut: Interactive Foreground Extraction using Iterated Graph Cuts”(Carsten Rother et al.)
  • “U-Net: Convolutional Networks for Biomedical Image Segmentation”(Olaf Ronneberger et al.)
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