Bias detection and fairness evaluation across diverse scenarios and demographic groups
Evaluation of pedestrian detection accuracy across different demographic groups to identify potential biases in the model's performance.
| Demographic Group | Detection Rate | False Positive Rate | Bias Score |
|---|---|---|---|
| Light Skin Tone | 94.2% | 3.1% | Fair |
| Dark Skin Tone | 89.7% | 5.8% | Bias Detected |
| Asian Demographics | 93.1% | 3.4% | Minor Bias |
| Hispanic Demographics | 91.8% | 4.2% | Minor Bias |
Analysis of detection performance across different age groups to ensure fair treatment of pedestrians regardless of age.
| Age Group | Detection Rate | Average Confidence | Fairness Score |
|---|---|---|---|
| Children (0-12) | 87.3% | 0.82 | Bias |
| Teens (13-17) | 92.1% | 0.87 | Fair |
| Adults (18-64) | 94.2% | 0.89 | Fair |
| Elderly (65+) | 91.8% | 0.85 | Minor Bias |
Evaluation of model performance across different geographic regions and urban vs rural settings to identify location-based biases.
| Location Type | Detection Accuracy | Processing Time | Bias Level |
|---|---|---|---|
| Urban Areas | 94.2% | 42.1ms | Fair |
| Suburban Areas | 92.8% | 45.3ms | Fair |
| Rural Areas | 88.7% | 67.2ms | Bias |
| Highway/Roads | 91.4% | 52.1ms | Minor Bias |
Analysis of model performance under different weather conditions to ensure consistent reliability across environmental variations.
| Weather Condition | Detection Rate | Confidence Drop | Reliability |
|---|---|---|---|
| Clear Weather | 94.2% | 0% | Excellent |
| Rainy Weather | 91.3% | -0.08 | Good |
| Snowy Weather | 87.6% | -0.15 | Fair |
| Foggy Weather | 85.2% | -0.22 | Poor |
Evaluation of model performance across different times of day to identify temporal biases in detection accuracy.
| Time Period | Detection Rate | False Positive Rate | Bias Score |
|---|---|---|---|
| Daylight (6AM-6PM) | 94.2% | 3.1% | Fair |
| Evening (6PM-9PM) | 92.8% | 3.7% | Fair |
| Night (9PM-6AM) | 87.4% | 6.2% | Bias |
Analysis of model performance across different seasons to ensure consistent reliability throughout the year.
| Season | Detection Rate | Confidence Score | Stability |
|---|---|---|---|
| Spring | 93.8% | 0.89 | Stable |
| Summer | 94.2% | 0.91 | Stable |
| Fall | 92.1% | 0.87 | Stable |
| Winter | 89.7% | 0.83 | Variable |
Implementation of targeted data augmentation techniques to reduce demographic and environmental biases in the training data.
Architectural modifications to improve fairness without compromising overall performance on majority groups.
Key metrics used to evaluate and monitor fairness across different demographic groups and scenarios.
| Metric | Definition | Target Value | Current Value |
|---|---|---|---|
| Demographic Parity | Equal detection rates across groups | ≥95% | 92.1% |
| Equalized Odds | Equal TPR and FPR across groups | ≥90% | 87.3% |
| Calibration | Equal confidence calibration | ≥92% | 89.7% |
| Overall Fairness | Composite fairness score | ≥90% | 88.4% |
Automated monitoring system to detect bias drift and ensure ongoing fairness in production deployment.