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[
 {
  "variant": "Full pipeline",
  "score_a": 0.828,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.638,
   "jaywalking": 0.702,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "Frame rate ~5 fps (every 2nd processed frame)",
  "score_a": 0.827,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.633,
   "jaywalking": 0.702,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "Frame rate ~3.3 fps (every 3rd)",
  "score_a": 0.742,
  "per_class": {
   "congestion": 0.842,
   "failure_to_yield": 0.353,
   "jaywalking": 0.566,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.767
  }
 },
 {
  "variant": "No camera-shift alignment",
  "score_a": 0.708,
  "per_class": {
   "congestion": 0.857,
   "failure_to_yield": 0.433,
   "jaywalking": 0.603,
   "red_light": 0.8,
   "stop_line": 0.769,
   "stopped_vehicle": 0.788
  }
 },
 {
  "variant": "failure_to_yield: no signal rule",
  "score_a": 0.82,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.587,
   "jaywalking": 0.702,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "failure_to_yield: no walking / creeping thresholds",
  "score_a": 0.809,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.521,
   "jaywalking": 0.702,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "jaywalking: no 'alongside crosswalk' filter",
  "score_a": 0.81,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.638,
   "jaywalking": 0.591,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "jaywalking: no scooter-speed filter",
  "score_a": 0.822,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.638,
   "jaywalking": 0.667,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.806
  }
 },
 {
  "variant": "stopped_vehicle: no 'yielding to pedestrians' filter",
  "score_a": 0.813,
  "per_class": {
   "congestion": 0.9,
   "failure_to_yield": 0.638,
   "jaywalking": 0.702,
   "red_light": 1.0,
   "stop_line": 0.923,
   "stopped_vehicle": 0.716
  }
 }
]