Spaces:
Sleeping
Sleeping
| Scope of Work | |
| The System will provide a simple workflow for change detection over satellite / drone imagery, covering the following: | |
| A centralized image library organized by Zone, Village, Area and Year (e.g., 2025, 2026), or on a Grid basis. | |
| Upload of satellite and drone images in TIF / TIFF format. | |
| A drag-and-drop interface to select two images (Base image and Comparison image) for analysis. | |
| AI-based change detection using pre-trained deep learning models. | |
| Notification to the end user along with a change detection report. | |
| Navigation to change locations based on latitude / longitude. | |
| Clickable change regions in the report, which pan the image viewer to the corresponding area. | |
| Typical use cases: monitoring of unauthorized construction, encroachment detection and land-use change monitoring. | |
| Functional Requirements | |
| All requirements below are Mandatory unless stated otherwise. | |
| FR-01: Centralized Image Library | |
| Requirement ID | |
| FR-01 | |
| Title | |
| Centralized Satellite / Drone Image Library | |
| Description | |
| The System shall provide a centralized library to store, organize and search satellite and drone images, organized by Zone, Village, Area and Year, or on a Grid basis. | |
| Hierarchical organization: Zone → Village → Area → Year, maintained through image metadata. | |
| Basic metadata per image: image ID, capture date, source (satellite / drone), format and location reference. | |
| Browse (tree view) and search / filter by zone, village, area, year or capture date. | |
| Role-based access for viewing and uploading images. | |
| Providing images of suitable size and resolution for change detection shall be the responsibility of DDA. | |
| FR-02: Upload of Images | |
| Requirement ID | |
| FR-02 | |
| Title | |
| Upload of Satellite / Drone Images | |
| Description | |
| The System shall allow authorized users to upload satellite and drone images in TIF / TIFF format with basic validation. | |
| Supported format: GeoTIFF (.tif / .tiff). | |
| Where georeferencing is not embedded, the user shall provide location reference and capture date before the image is saved. | |
| Upload success / failure status shall be shown to the user. | |
| FR-03: Selection of Two Images for Comparison | |
| Requirement ID | |
| FR-03 | |
| Title | |
| Drag-and-Drop Selection of Two Images | |
| Description | |
| The System shall provide a drag-and-drop interface to select a Base (older) image and a Comparison (newer) image for change detection. | |
| Two clearly labelled drop targets: Base Image (T1) and Comparison Image (T2). | |
| Images can be dragged from the library or selected through a picker dialog. | |
| Thumbnail preview and capture dates of both images shown before analysis is started. | |
| FR-04: AI-Based Change Detection | |
| Requirement ID | |
| FR-04 | |
| Title | |
| AI-Based Change Detection Using Pre-Trained Models | |
| Description | |
| The System shall run change detection on the selected image pair using pre-trained deep learning models, subject to the AI accuracy note above. | |
| Detected changes shall be shown as change regions with change type, approximate area and location (latitude / longitude) along with a model confidence score. | |
| Indicative change types: New Construction, Demolition, Extension, Vegetation Change, Other. The list may be refined during implementation. | |
| Detection runs as a background job; the user is informed when it completes. | |
| Output accuracy depends on image quality and model training maturity, as described in the AI accuracy note. | |
| FR-05: Notification and Change Detection Report | |
| Requirement ID | |
| FR-05 | |
| Title | |
| Notification with Change Detection Report | |
| Description | |
| On completion of analysis, the System shall notify the user and provide a change detection report. | |
| In-application notification (email optional) with a link to the report. | |
| Report viewable in the browser and exportable to PDF. | |
| Reports remain available in the System for later reference. | |
| FR-06: Geo-Navigation to Change Locations | |
| Requirement ID | |
| FR-06 | |
| Title | |
| Geo-Navigation Based on Latitude / Longitude | |
| Description | |
| The System shall allow the user to navigate to the location where a change has been found, based on its latitude / longitude. | |
| Each change record displays its coordinates in the report. | |
| A Locate action zooms / pans the viewer to that change location. | |
| FR-07: Clickable Change Regions | |
| Requirement ID | |
| FR-07 | |
| Title | |
| Clickable Change Types / Regions with Auto-Pan | |
| Description | |
| Change regions in the report shall be clickable; on click, the viewer shall pan and zoom to the corresponding area of the image. | |
| Clicking a change record pans and highlights that region in the viewer. | |
| Side-by-side view of Base and Comparison images with the change overlay. | |
| FR-08: Entry of Confirmed Changes into the Departmental System | |
| Requirement ID | |
| FR-08 | |
| Title | |
| Direct Entry of Reported Changes | |
| Description | |
| After review, the user shall be able to enter confirmed changes from the report into the departmental system for further action. | |
| The user verifies each change (Confirmed / False Positive) before submission; only confirmed changes are submitted. | |
| Submission via API where the departmental system provides one; otherwise a structured export (Excel / CSV / PDF) shall be generated for manual entry. | |
| False-positive markings are retained and used for future model training and improvement. |