V2EX region proposal

Region Proposal

释义 Definition

Region proposal(区域候选/候选区域):在计算机视觉中指算法从图像中自动提出的一组“可能包含目标”的候选区域(通常是矩形框或分割区域),供后续的分类与精确定位模型进一步判断与优化。常见于目标检测与实例分割任务中。该术语也可更广义地表示“对某一区域的提议/方案”,但在技术语境里以上含义最常见。

发音 Pronunciation (IPA)

/ridn prpozl/

例句 Examples

The model generates a region proposal around the cat.
模型会在猫周围生成一个候选区域。

After extracting region proposals, the detector scores each one and refines the bounding boxes to improve accuracy.
在提取候选区域之后,检测器会为每个候选区域打分,并细化边界框以提高准确率。

词源 Etymology

region 源自拉丁语 regio(“地区、区域、方向”);proposal 来自动词 propose(提出、提议)加名词后缀 -al,合起来字面意思是“对区域的提议/提出的区域”。在计算机视觉领域中逐渐固定为术语,特指“由算法提出的候选目标区域”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Girshick, Ross et al. *Rich feature hierarchies for accurate object detection and semantic segmentation (R-CNN)*(2014)提出并使用“region proposals”作为检测流程关键步骤。
  • Girshick, Ross. Fast R-CNN(2015)在候选区域与 RoI 表示上系统化使用相关概念。
  • Ren, Shaoqing et al. Faster R-CNN: Towards Real-Time Object Detection with Region Proposal Networks(2015)将“region proposal”推进为“Region Proposal Network (RPN)”的核心输出。
  • Szeliski, Richard. Computer Vision: Algorithms and Applications(教材,多版)在目标检测章节中讨论候选区域/检测窗口等相关思想。
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