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Fusion technique is a key research topic in multimodal sentiment analysis. The recent attention-based fusion demonstrates advances over simple operation-based fusion. However, these fusion works adopt single-scale, i.e., token-level or…

Computation and Language · Computer Science 2021-12-03 Huaishao Luo , Lei Ji , Yanyong Huang , Bin Wang , Shenggong Ji , Tianrui Li

Contrastive language-image pre-training aligns the features of text-image pairs in a common latent space via distinct encoders for each modality. While this approach achieves impressive performance in several zero-shot tasks, it cannot…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Christian Schlarmann , Francesco Croce , Nicolas Flammarion , Matthias Hein

LiDAR-camera fusion can enhance the performance of 3D object detection by utilizing complementary information between depth-aware LiDAR points and semantically rich images. Existing voxel-based methods face significant challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Ziying Song , Guoxin Zhang , Jun Xie , Lin Liu , Caiyan Jia , Shaoqing Xu , Zhepeng Wang

Multimodal learning has been lacking principled ways of combining information from different modalities and learning a low-dimensional manifold of meaningful representations. We study multimodal learning and sensor fusion from a latent…

Machine Learning · Computer Science 2019-04-24 Lijiang Guo

Focus based methods have shown promising results for the task of depth estimation. However, most existing focus based depth estimation approaches depend on maximal sharpness of the focal stack. Out of focus information in the focal stack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Yongri Piao , Yukun Zhang , Miao Zhang , Xinxin Ji

Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

In this work, we present a deep learning-based approach for image tampering localization fusion. This approach is designed to combine the outcomes of multiple image forensics algorithms and provides a fused tampering localization map, which…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Polychronis Charitidis , Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Kompatsiaris

Vision-Language Models (VLMs) have achieved substantial progress across a wide range of understanding and reasoning tasks, driven by large-scale image-text training aimed at multimodal fusion. Ideally, replacing a textual question with its…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Feng Han , Zhixiong Zhang , Zheming Liang , Yibin Wang , Jiaqi Wang

Visual localization is a fundamental task that regresses the 6 Degree Of Freedom (6DoF) poses with image features in order to serve the high precision localization requests in many robotics applications. Degenerate conditions like motion…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yuchen Yang , Xudong Zhang , Shuang Gao , Jixiang Wan , Yishan Ping , Yuyue Liu , Jijunnan Li , Yandong Guo

Video camouflaged object detection (VCOD) is challenging due to dynamic environments. Existing methods face two main issues: (1) SAM-based methods struggle to separate camouflaged object edges due to model freezing, and (2) MLLM-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Hua Zhang , Changjiang Luo , Ruoyu Chen

Large vision-language models (VLMs) show strong multimodal understanding but still struggle with 3D spatial reasoning, such as distance estimation, size comparison, and cross-view consistency. Existing 3D-aware methods either depend on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Ruosen Zhao , Zhikang Zhang , Jialei Xu , Jiahao Chang , Dong Chen , Lingyun Li , Weijian Sun , Zizhuang Wei

Typical attempts to improve the capability of visual place recognition techniques include the use of multi-sensor fusion and integration of information over time from image sequences. These approaches can improve performance but have…

Robotics · Computer Science 2019-03-11 Stephen Hausler , Adam Jacobson , Michael Milford

To achieve accurate and robust object detection in the real-world scenario, various forms of images are incorporated, such as color, thermal, and depth. However, multimodal data often suffer from the position shift problem, i.e., the image…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Lu Zhang , Zhiyong Liu , Xiangyu Zhu , Zhan Song , Xu Yang , Zhen Lei , Hong Qiao

Utilizing vision and language models (VLMs) pre-trained on large-scale image-text pairs is becoming a promising paradigm for open-vocabulary visual recognition. In this work, we extend this paradigm by leveraging motion and audio that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Rui Qian , Yeqing Li , Zheng Xu , Ming-Hsuan Yang , Serge Belongie , Yin Cui

With the ever-increasing amount of data, the central challenge in multimodal learning involves limitations of labelled samples. For the task of classification, techniques such as meta-learning, zero-shot learning, and few-shot learning…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Nihar Bendre , Kevin Desai , Peyman Najafirad

Place recognition is an important task for robots and autonomous cars to localize themselves and close loops in pre-built maps. While single-modal sensor-based methods have shown satisfactory performance, cross-modal place recognition that…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Weidong Xie , Lun Luo , Nanfei Ye , Yi Ren , Shaoyi Du , Minhang Wang , Jintao Xu , Rui Ai , Weihao Gu , Xieyuanli Chen

Semantic understanding and localization are fundamental enablers of robot autonomy that have for the most part been tackled as disjoint problems. While deep learning has enabled recent breakthroughs across a wide spectrum of scene…

Robotics · Computer Science 2018-10-12 Noha Radwan , Abhinav Valada , Wolfram Burgard

Visual recognition inside the vehicle cabin leads to safer driving and more intuitive human-vehicle interaction but such systems face substantial obstacles as they need to capture different granularities of driver behaviour while dealing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Alina Roitberg , Kunyu Peng , Zdravko Marinov , Constantin Seibold , David Schneider , Rainer Stiefelhagen

Effectively localizing an agent in a realistic, noisy setting is crucial for many embodied vision tasks. Visual Odometry (VO) is a practical substitute for unreliable GPS and compass sensors, especially in indoor environments. While…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Marius Memmel , Roman Bachmann , Amir Zamir

The rise of autonomous vehicles has significantly increased the demand for robust 3D object detection systems. While cameras and LiDAR sensors each offer unique advantages--cameras provide rich texture information and LiDAR offers precise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Zitian Wang , Zehao Huang , Yulu Gao , Naiyan Wang , Si Liu