Multi-modal Crowd Counting via a Broker Modality

Fuente: arXiv
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Autori principali: Meng, Haoliang, Hong, Xiaopeng, Wang, Chenhao, Shang, Miao, Zuo, Wangmeng
Natura: Preprint
Pubblicazione: 2024
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author Meng, Haoliang
Hong, Xiaopeng
Wang, Chenhao
Shang, Miao
Zuo, Wangmeng
author_facet Meng, Haoliang
Hong, Xiaopeng
Wang, Chenhao
Shang, Miao
Zuo, Wangmeng
contents Multi-modal crowd counting involves estimating crowd density from both visual and thermal/depth images. This task is challenging due to the significant gap between these distinct modalities. In this paper, we propose a novel approach by introducing an auxiliary broker modality and on this basis frame the task as a triple-modal learning problem. We devise a fusion-based method to generate this broker modality, leveraging a non-diffusion, lightweight counterpart of modern denoising diffusion-based fusion models. Additionally, we identify and address the ghosting effect caused by direct cross-modal image fusion in multi-modal crowd counting. Through extensive experimental evaluations on popular multi-modal crowd-counting datasets, we demonstrate the effectiveness of our method, which introduces only 4 million additional parameters, yet achieves promising results. The code is available at https://github.com/HenryCilence/Broker-Modality-Crowd-Counting.
format Preprint
id arxiv_https___arxiv_org_abs_2407_07518
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Multi-modal Crowd Counting via a Broker Modality
Meng, Haoliang
Hong, Xiaopeng
Wang, Chenhao
Shang, Miao
Zuo, Wangmeng
Computer Vision and Pattern Recognition
Multi-modal crowd counting involves estimating crowd density from both visual and thermal/depth images. This task is challenging due to the significant gap between these distinct modalities. In this paper, we propose a novel approach by introducing an auxiliary broker modality and on this basis frame the task as a triple-modal learning problem. We devise a fusion-based method to generate this broker modality, leveraging a non-diffusion, lightweight counterpart of modern denoising diffusion-based fusion models. Additionally, we identify and address the ghosting effect caused by direct cross-modal image fusion in multi-modal crowd counting. Through extensive experimental evaluations on popular multi-modal crowd-counting datasets, we demonstrate the effectiveness of our method, which introduces only 4 million additional parameters, yet achieves promising results. The code is available at https://github.com/HenryCilence/Broker-Modality-Crowd-Counting.
title Multi-modal Crowd Counting via a Broker Modality
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2407.07518