Research Hub

Analytical Framework

Methodology

A structured six-phase pipeline from raw satellite data to actionable planetary intelligence.

Every output includes reasoning, uncertainty, and counter-evidence. Explainability is not a feature — it is the foundation.

AstraSense Design Principle

Pipeline Overview

Six-Phase Analysis Pipeline

The analytical pipeline is designed to be auditable at every stage. Each phase produces explicit outputs that feed the next, creating a traceable chain from raw data to decision.

Phase 1 — Ingestion

Satellite Data Acquisition

Raw satellite data is acquired from publicly available sources. Data is normalized to a common spatial reference frame and temporal resolution before processing.

Phase 2 — Extraction

Signal Extraction & Indexing

Primary indicators are computed from raw imagery. Vegetation indices are derived from spectral bands. Thermal anomalies are identified against local baselines. Temporal deviation is computed against historical distributions.

Phase 3 — Validation

Multi-Signal Consensus

Extracted signals are validated against each other. Signal agreement is computed as the proportion of independent indicators pointing toward the same conclusion. Counter-signals are explicitly identified and weighted.

Phase 4 — Classification

Risk Level Assignment

Validated signals are combined using a weighted consensus model. Risk level (LOW/MEDIUM/HIGH) is assigned based on signal agreement, intensity thresholds, and temporal persistence. Confidence score is normalized to [0,1].

Phase 5 — Spatial Modelling

Risk Surface Computation

Point-based risk scores are extended to continuous spatial surfaces. A grid-based sampling framework generates risk estimates at regular intervals. Spatial interpolation produces a smooth risk surface. Contour boundaries are computed at defined threshold levels.

Phase 6 — Decision Synthesis

Action Output Generation

The final output combines risk classification, spatial context, temporal trend, and urgency into a structured decision object. A single-sentence summary is generated for rapid human interpretation. Recommended action (Investigate/Monitor/Ignore) is assigned.

Scientific Integrity

Validation Principles

All quantitative claims are accompanied by methodology context and experimental status indicators.

Multi-Signal Consensus

Prototype Evaluation

5 Indicators

Five independent signals validated against each other — vegetation index, thermal anomaly, temporal deviation, persistence, and spatial clustering.

Counter-Signal Detection

Experimental Module

Explicit

Contradictory evidence is identified and weighted in every risk assessment, preventing overconfident conclusions.

Confidence Scoring

Internal Benchmark

Normalized [0,1]

Every output includes a normalized confidence score derived from signal agreement, data quality, and temporal consistency.

Explainability

Prototype Evaluation

Structured

Each risk assessment includes a structured reasoning chain: what signals were found, what they mean, and what contradicts them.

Design Principles

Methodology Foundations

Independence of Signals

Each signal is derived from independent data sources and processing pathways. This independence is essential for meaningful consensus — correlated signals do not provide independent validation.

Explicit Uncertainty

Uncertainty is not hidden. Every output includes confidence scores, data quality flags, and explicit acknowledgment of limitations. The system is designed to communicate what it does not know as clearly as what it does.

Human-Centred Output

The final output is designed for human interpretation, not machine consumption. A single-sentence decision summary is generated for every analysis, ensuring that a non-expert user can understand the situation without reading the full reasoning chain.

Cross-Domain Applicability

The methodology is designed to be domain-agnostic. The same pipeline that processes Earth observation data can be applied to Mars surface data, or any planetary dataset with equivalent spectral and temporal characteristics.