Papers › Increasing pedestrian detection performance through weighting of detection impairing factors

Increasing pedestrian detection performance through weighting of detection impairing factors

8 Dec 2022ACM Computer Science in Cars Symposium 2022 12archive 2025-07-28

Korbinian Hagn, Oliver Grau

Object detection is a matured technique, converging to the detection performance of human vision. This paper presents a method to further close the remaining gap of detection capability by investigating visual factors impairing the detectability of objects. As some of these factors are hard or impossible to measure in real sensor data, a detector is trained on synthetic data making perfect measurements and ground truth data available at a large scale. The resulting detector is then used to calibrate an empirical weighting loss, which weights samples of real training data and their corresponding detection impairing factors. The method is applied to the task of pedestrian detection in traffic scenes. The effectiveness of the empirical detection impairment weighting loss (DIW loss) is demonstrated on a detector trained on the CityPersons dataset and reaches a new state-of-the-art detection performance on this benchmark, improving the previous by 1.88%.

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