Auto Carta

Automated Road Extraction of Rural Roads in Low-Resolution Images

Part 1. Interactive Cartography System

Task 2: Extraction of Rural Road

Feature

Read image and edge files generated by Binford-Chiang Edge Operator

Select and deselect edges by clicking on them

Investigate edge statistics - angle, curvature, intensity

Zoom and link edges

Part 2. Difficulty not encountered previouslySPOT chip 7 rendered as RGB

Task 2: Extraction of Rural Road

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

SPOT chip 7 Histogram-Equalized, De-mixed

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

Edges Extracted

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

Road Candidates

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

Road Candidates on top of SPOT chip 7 Green Band

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

VPF Road

Task 2: Extraction of Rural RoadPart 2. Difficulty not encountered previously

SPOT chip 7 with roads cued by mask

Task 2: Extraction of Rural RoadPart 3. Detailed Extraction in CIB Imagery

Inspection of two 1km x 1km windows

Task 2: Extraction of Rural RoadPart 3. Detailed Extraction in CIB Imagery

Extracted Edges in Each Area

Task 2: Extraction of Rural RoadPart 3. Detailed Extraction in CIB Imagery

Selected Road Candidates

Task 2: Extraction of Rural RoadPart 3. Detailed Extraction in CIB Imagery

Linked Edges, First Stage

Task 2: Extraction of Rural RoadPart 3. Detailed Extraction in CIB Imagery

Multi-spectral Analysis of SPOT7 for Road Extraction

Task 2: Extraction of Rural RoadPart 4. Initial Investigation on Camp Lejune Area

LEJUNE chip 1 from SPOT 10m Panchromatic Imagery

Task 2: Extraction of Rural RoadPart 4. Initial Investigation on Camp Lejune Area

Detected Edges from LEJUNE1

Task 2: Extraction of Rural RoadPart 4. Initial Processing of Camp Lejune Area

Road Candidate on top of Original Image

Task 3. StreamsMulti-spectral Micro-region Analysis

Task 3. StreamsMulti-spectral Micro-region Analysis

Trees and Streams from SPOT7

Task 3. StreamsMulti-spectral Micro-region Analysis

Fields Component1 from SPOT7

Task 3. StreamsMulti-spectral Micro-region Analysis

Fields Component2 from SPOT7

Task 3. StreamsMulti-spectral Micro-region Analysis

Clouds from SPOT7

Task 3. StreamsMulti-spectral Micro-region Analysis

Shadows from SPOT7

Task 3. StreamsMulti-spectral Micro-region Analysis

Trees and Streams from LANDSAT 7 Band Imagery

Task 4. Trees and OrchardsMulti-spectral Micro-region Analysis

Trees from SPOT7