toString method
Returns a string representation of the performance metrics.
Formatted for easy reading in logs or debug output.
Implementation
@override
String toString() {
return 'YOLOPerformanceMetrics('
'fps: ${fps.toStringAsFixed(1)}, '
'processingTime: ${processingTimeMs.toStringAsFixed(3)}ms, '
'frame: $frameNumber, '
'timestamp: ${timestamp.toIso8601String()})';
}