File size: 5,802 Bytes
8e6f164
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
class IncidentAnalyzer:
    @staticmethod
    def classify_incident(labels: set[str]) -> str:
        """
        Determines the specific incident classification type based on the detected labels.
        """
        vehicles = {
            "car",
            "truck",
            "bus",
            "motorcycle",
            "damaged vehicle"
        }
        vehicle_count = len(labels.intersection(vehicles))

        # ==========================
        # FIRE RELATED
        # ==========================
        if "fire" in labels and "building" in labels:
            return "building_fire"
        if "fire" in labels and vehicle_count > 0:
            return "vehicle_fire"
        if "fire" in labels:
            return "fire_incident"
        if "smoke" in labels and "building" in labels:
            return "possible_building_fire"
        if "smoke" in labels:
            return "smoke_hazard"

        # ==========================
        # FLOOD RELATED
        # ==========================
        if "water" in labels and "road" in labels:
            return "road_flooding"
        if "water" in labels and "building" in labels:
            return "urban_flooding"
        if "water" in labels and "tree" in labels:
            return "storm_damage"
        if "water" in labels:
            return "water_hazard"

        # ==========================
        # BUILDING DAMAGE
        # ==========================
        if "collapsed structure" in labels and "person" in labels:
            return "major_building_collapse"
        if "collapsed structure" in labels:
            return "building_collapse"

        # ==========================
        # ROAD ACCIDENTS
        # ==========================
        if "damaged vehicle" in labels and "ambulance" in labels:
            return "critical_road_accident"
        if vehicle_count >= 2 and "person" in labels:
            return "road_accident"
        if vehicle_count >= 2:
            return "possible_vehicle_collision"
        if "motorcycle" in labels and "ambulance" in labels:
            return "motorcycle_accident"
        if "truck" in labels and "ambulance" in labels:
            return "truck_accident"
        if "bus" in labels and "ambulance" in labels:
            return "bus_accident"

        # ==========================
        # TRAFFIC RELATED
        # ==========================
        if "traffic congestion" in labels and vehicle_count >= 2:
            return "heavy_traffic"
        if "construction barrier" in labels and "road" in labels:
            return "road_construction"

        # ==========================
        # ROAD BLOCKAGE
        # ==========================
        if "tree" in labels and "road" in labels:
            return "fallen_tree_blockage"
        if "debris" in labels and "road" in labels:
            return "road_debris"
        if "tree" in labels and "debris" in labels:
            return "storm_road_blockage"

        # ==========================
        # MEDICAL
        # ==========================
        if "ambulance" in labels and "person" in labels:
            return "medical_emergency"

        # ==========================
        # LAW ENFORCEMENT
        # ==========================
        if "police vehicle" in labels and vehicle_count > 0:
            return "traffic_enforcement"
        if "police vehicle" in labels:
            return "police_activity"

        # ==========================
        # GENERAL EVENTS
        # ==========================
        if vehicle_count > 0:
            return "vehicle_activity"
        if "building" in labels:
            return "building_related_event"
        if "person" in labels:
            return "crowd_activity"

        return "unknown_incident"

    @classmethod
    def analyze(cls, labels_found: list[str]) -> dict:
        """
        Calculates severity scores, severity categorizations, and determines
        the incident type classification.
        """
        labels = set(x.lower().strip() for x in labels_found)
        score = 0

        # Object weight mapping for severity scoring
        weights = {
            "ambulance": 35,
            "fire": 40,
            "smoke": 20,
            "water": 20,
            "person": 5,
            "debris": 15,
            "tree": 10,
            "police vehicle": 15,
            "damaged vehicle": 25
        }

        # Accumulate weights of detected labels
        for label in labels:
            score += weights.get(label, 0)

        vehicles = {
            "car",
            "truck",
            "bus",
            "motorcycle",
            "damaged vehicle"
        }
        vehicle_count = len(labels.intersection(vehicles))

        # Scoring modifiers based on incident context
        # Fire
        if "fire" in labels:
            score += 20
        # Flood
        elif "water" in labels and "road" in labels:
            score += 20
        # Accident
        elif vehicle_count >= 2 and "person" in labels:
            score += 25
        elif "ambulance" in labels and vehicle_count >= 1:
            score += 30
        # Obstruction
        elif "tree" in labels and "road" in labels:
            score += 15

        # Cap score at 100
        score = min(score, 100)

        # Categorize severity based on score thresholds
        if score >= 80:
            severity = "critical"
        elif score >= 60:
            severity = "high"
        elif score >= 30:
            severity = "medium"
        else:
            severity = "low"

        # Get classified incident type
        incident_type = cls.classify_incident(labels)

        return {
            "incident_type": incident_type,
            "severity": severity,
            "severity_score": score
        }