เปรียบเทียบวิธี

	การตรวจจับการเปลี่ยนแปลง	การวิเคราะห์ภาพเชิงวัตถุ (Object-Based Image Analysis - OBIA)
สาขาวิชา	การสำรวจระยะไกล	การสำรวจระยะไกล
ตระกูล	Process / pipeline	Process / pipeline
ปีกำเนิด	1989	2010
ผู้ริเริ่ม	Ashbindu Singh	Thomas Blaschke
ประเภท	Multitemporal image comparison pipeline	Image segmentation and classification pipeline
แหล่งต้นตำรับ	Singh, A. (1989). Digital change detection techniques using remotely-sensed data. International Journal of Remote Sensing, 10(6), 989–1003.	Blaschke, T. (2010). Object based image analysis for remote sensing. ISPRS Journal of Photogrammetry and Remote Sensing, 65(1), 2–16.
ชื่อเรียกอื่น	Multitemporal Image Analysis, Land-Cover Change Analysis, Bitemporal Change Analysis, Değişim Tespiti	Geographic Object-Based Image Analysis, GEOBIA, Object-Oriented Image Analysis, Nesne Tabanlı Görüntü Analizi
ที่เกี่ยวข้อง	2	3
สรุป	Change detection is a remote sensing analysis pipeline that identifies differences in land cover or land use between two or more images acquired at different times over the same geographic area. Systematically reviewed and classified by Ashbindu Singh in 1989, the framework encompasses image differencing, post-classification comparison, vegetation index differencing, and principal component analysis, and remains the canonical reference for evaluating which technique best suits a given application.	Object-Based Image Analysis (OBIA) is a remote sensing image processing paradigm that groups pixels into meaningful image objects before classification, rather than analysing each pixel independently. Formally articulated and consolidated by Thomas Blaschke in his landmark 2010 ISPRS review, OBIA draws on multiresolution segmentation algorithms and combines spectral, spatial, contextual, and textural object attributes to produce semantically rich land-cover maps from high-resolution imagery.