手法を比較

	テンプレートマッチング	ブロブ検出
分野	コンピュータビジョン	コンピュータビジョン
系統	Machine learning	Machine learning
提唱年	1980s	1998
提唱者	Computer vision community	Tony Lindeberg
種類	Pattern matching and detection	Multi-scale feature detection
原典	Lewis, J. P. (2004). Fast normalized cross-correlation. Vision Interface, 120–123.	Lindeberg, T. (1998). Feature detection with automatic scale selection. International Journal of Computer Vision, 30(2), 79–116.
別名	Correlation-based matching, Similarity matching	Connected component analysis, Region-based detection
関連	5	5
概要	Template matching is a straightforward technique for locating a known pattern (template) within a larger image. By sliding a template image across the target image and computing a similarity measure at each position, template matching identifies locations where the template appears. It is effective for simple object detection when templates are well-defined and appearance variation is limited.	Blob detection is a technique for identifying regions of interest (blobs)—connected, homogeneous areas that differ from their surroundings—at multiple scales. Introduced by Lindeberg in the context of scale-space theory, blob detection automatically finds and characterizes circular or elliptical objects without requiring a priori knowledge of their size.