Patent Tech Sheet: TTC.PA.1581

TTC.PA.1581 : ENRICHED AND DISCRIMINATIVE
CONVOLUTIONAL NEURAL
NETWORK FEATURES FOR
PEDESTRIAN RE-IDENTIFICATION

PROBLEM ADDRESSED

Pedestrian re-identification and tracking across multiple cameras with a non-overlapped field of view for continuous retrieval of pedestrian walking trajectories in wide areas .

APPLICATION AREAS

Smart construction

workers’ safety & site analysis

Smart transportation

traffic flow analysis

TECHNOLOGY INNOVATIONS

An approach of explainable CNN design based on feature map visualization

A new CNN to extract discriminative & distributed features for more robust pedestrian ReID

An incremental multi-image feature aggregation mechanism for more robust pedestrian identity matching

(a) ResNet

(b) OSNet

(c) OSNet + BDB-vertical

(d) OSNet + BDB-horizontal

Smart mobility walkability evaluation

Smart retail

behavioural analysis

Smart city

urban design & mobility

Smart warehouse

behavioural/ flow analysis

KEY IMPACTS & ADVANTAGES

Accurate pedestrian tracking

4-8%

improvement over baselines Facilitate future research evaluating CNNs for image processing tasks based on an explainable approach

Timestamp

Cam 6

Cam 7

Cam 1

Enable real-world multi-camera processing to identify pedestrian walking trajectories

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Support pedestrian walking behavioral analyses and what-if facility layout evaluation and design optimization

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