bowling-analysis-system/src/bowling_analysis/utils/BiasConfigManager.js

A comprehensive system for analyzing bowling techniques using video processing and metrics calculation

/**
 * @module bowling_analysis/utils/BiasConfigManager
 * @description Centralized bias configuration management
 */

const DEFAULT_THRESHOLDS = {
  // Core confidence thresholds
  CONFIDENCE_THRESHOLD: 0.6,
  EVENT_CONFIDENCE_THRESHOLD: 0.7,
  BIAS_CONFIDENCE_THRESHOLD: 0.75,
  
  // Event-specific thresholds
  RELEASE_POINT_THRESHOLD: 0.8,
  FOOT_LANDING_THRESHOLD: 0.7,
  
  // Bias analysis thresholds
  BIAS_CORRELATION_THRESHOLD: 0.65,
  BIAS_SIGNIFICANCE_THRESHOLD: 0.6
};

const DEFAULT_BIAS_CONFIG = {
  // Core settings
  enabled: true,
  validateSequence: true,
  confidenceThreshold: DEFAULT_THRESHOLDS.BIAS_CONFIDENCE_THRESHOLD,
  
  // Analysis settings
  correlationThreshold: DEFAULT_THRESHOLDS.BIAS_CORRELATION_THRESHOLD,
  significanceThreshold: DEFAULT_THRESHOLDS.BIAS_SIGNIFICANCE_THRESHOLD,
  
  // Event settings
  eventConfidenceThreshold: DEFAULT_THRESHOLDS.EVENT_CONFIDENCE_THRESHOLD,
  eventValidation: {
    requireAllEvents: true,
    validateFrameSequence: true
  }
};

/**
 * Get environment-aware configuration
 * @returns {Object} Configuration with environment overrides
 */
function getConfig() {
  return {
    ...DEFAULT_BIAS_CONFIG,
    confidenceThreshold: parseFloat(process.env.CONFIDENCE_THRESHOLD || DEFAULT_THRESHOLDS.CONFIDENCE_THRESHOLD),
    eventConfidenceThreshold: parseFloat(process.env.EVENT_CONFIDENCE_THRESHOLD || DEFAULT_THRESHOLDS.EVENT_CONFIDENCE_THRESHOLD)
  };
}

/**
 * Get threshold value
 * @param {string} thresholdName - Name of threshold
 * @returns {number} Threshold value
 */
function getThreshold(thresholdName) {
  return DEFAULT_THRESHOLDS[thresholdName];
}

module.exports = {
  DEFAULT_THRESHOLDS,
  DEFAULT_BIAS_CONFIG,
  getConfig,
  getThreshold
};