100468122-Photogrammetry-and-Remote-Sensing

Agriculture forestry environmental oceanography

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• Agriculture. • Forestry. • Environmental. • Oceanography. • Cartography. Remote Sensing Ayman F. Habib 60 Weather Monitoring
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Remote Sensing Ayman F. Habib 61 Agriculture Feb., 86 Apr., 86 Jun., 86 Aug., 86 Oct., 86 Dec., 86 Remote Sensing Ayman F. Habib 62 Ice Detection and Mapping Remote Sensing Ayman F. Habib 63 Ocean & Costal Monitoring Ocean waves Oil spill detection Remote Sensing Ayman F. Habib 64 Change Detection Remote Sensing Ayman F. Habib 65 Change Detection Calgary, 1956 Calgary, 1999 Remote Sensing Ayman F. Habib 66 Change Detection Analysis
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Remote Sensing Ayman F. Habib 67 1956 1999 1999 1956 1999 1956 1956 1999 Remote Sensing Ayman F. Habib 68 74.8 % 66.4 % 34.4 % 26.8 % 50.2% Change Detection: (Quantitative Measurements) Remote Sensing Ayman F. Habib 69 Disaster Assessment Devastation created by tornado Remote Sensing Ayman F. Habib 70 Forest Fire Monitoring True Color Image Thermal Image Remote Sensing Ayman F. Habib 71 Remote Sensing: Practical Example Recognition of Road Signs in Terrestrial Color Imagery Remote Sensing Ayman F. Habib 72 Automatic Recognition of Road Signs from Color Terrestrial Imagery Analyze an image sequence to find out whether there are regions with interesting colors, i.e. most probably correspond to road signs. Generated Hypotheses are based on: The radiometric, spectral, properties of the sought after objects. The geometric properties of the sought after objects as well as the imaging system.
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Remote Sensing Ayman F. Habib 73 RGB Color Model RGB model: Based on additive color theory. Represented by cube model. (255,0,0) Red (0,255,0) Green (0,0,255) Blue (255,255,255) white (0,0,0) Black R G B (0,255,255) Cyan (255,0,255) Magenta (255,255,0) Yellow Remote Sensing Ayman F. Habib 74 Identification of Predefined Signatures RGB HSI Yellow Binarization Original + = + Red Green Blue Hue Saturation Intensity Remote Sensing Ayman F. Habib 75 Identification of Predefined Signatures = + + Red Green Blue Original Hue Saturation Intensity RGB HSI Blue Binarization Remote Sensing Ayman F. Habib 76 Area of Interest Z X Y X min X max Z min Z max Y max 1 2 3 4 5 6 7 8 Road width Remote Sensing Ayman F. Habib 77 Expected Sign & Road Locations Remote Sensing Ayman F. Habib 78 Area of Interest
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Remote Sensing Ayman F. Habib 79 Detect Straight Lines: Hough Transform Hough image & Detected Peaks Remote Sensing Ayman F. Habib 80 Generated Hypotheses Remote Sensing Ayman F. Habib 81 Generated Hypotheses Remote Sensing Ayman F. Habib 82 Final Remarks For remote sensing, we need to: Understand the characteristics of the energy, which will be recorded, and how it is interacting with the atmosphere and the target (chapter 2). Understand the characteristics of the remote sensing system (chapter 3). Understand the processing mechanism of the acquired remote sensing data. Radiometric processing (Chapters 4, 6). Geometric processing (Chapters 5, 6)
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