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Enhancing multiple object tracking accuracy via quantum annealing
1Innovation Laboratories, NEC Solution Innovators, Ltd., 1-18-7 Shinkiba, Koto-ku, Tokyo, 136-8627, Japan. ihara_mxk@nec.com.
Scientific Reports
|July 7, 2025
Summary
This study introduces a new method for multiple object tracking (MOT) using quantum annealing (QA) to speed up computations and improve accuracy. The novel approach significantly reduces processing time for real-time applications.
Area of Science:
- Computer Vision
- Quantum Computing
- Artificial Intelligence
Background:
- Multiple Object Tracking (MOT) is crucial for image recognition but faces challenges in balancing speed and accuracy.
- Existing MOT methods struggle to meet the demands of real-time applications.
Purpose of the Study:
- To develop a novel approach for MOT that enhances both computational speed and tracking accuracy.
- To leverage quantum annealing (QA) and ensemble processing for improved MOT performance.
Main Methods:
- Utilized quantum annealing (QA) for expedited computation in MOT.
- Employed ensemble processing of object tracking methods to enhance accuracy.
- Introduced a new method for improving the matching integration process.
- Applied reverse annealing to further augment the tracking method by exploiting its sequential nature.
Main Results:
- Achieved high tracking accuracy with a minimal annealing time of 3 μs per tracking process.
- Demonstrated time-to-solution reductions exceeding 99% compared to conventional QA implementations.
- Validated the effectiveness of the proposed method through experimental testing.
Conclusions:
- The novel QA-enhanced MOT method significantly improves processing speed and accuracy.
- The approach shows great promise for real-time MOT applications.
- Potential applications include traffic flow measurement, collision prediction, and factory production management.

