English
Related papers

Related papers: Sparse4D v2: Recurrent Temporal Fusion with Sparse…

200 papers

Vision Language Models (VLMs) have rapidly advanced in integrating visual and textual reasoning, powering applications across high-resolution image understanding, long-video analysis, and multi-turn conversation. However, their scalability…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Samir Khaki , Junxian Guo , Jiaming Tang , Shang Yang , Yukang Chen , Konstantinos N. Plataniotis , Yao Lu , Song Han , Zhijian Liu

Real-time monocular 3D reconstruction is a challenging problem that remains unsolved. Although recent end-to-end methods have demonstrated promising results, tiny structures and geometric boundaries are hardly captured due to their…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Chenyangguang Zhang , Zhiqiang Lou , Yan Di , Federico Tombari , Xiangyang Ji

Infrared and visible video fusion combines the object saliency from infrared images with the texture details from visible images to produce semantically rich fusion results. However, most existing methods are designed for static image…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Xilai Li , Weijun Jiang , Xiaosong Li , Yang Liu , Hongbin Wang , Tao Ye , Huafeng Li , Haishu Tan

Video semantic segmentation aims to generate accurate semantic maps for each video frame. To this end, many works dedicate to integrate diverse information from consecutive frames to enhance the features for prediction, where a feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiafan Zhuang , Zilei Wang , Junjie Li

Many modern big data applications feature large scale in both numbers of responses and predictors. Better statistical efficiency and scientific insights can be enabled by understanding the large-scale response-predictor association network…

Methodology · Statistics 2017-04-28 Yoshimasa Uematsu , Yingying Fan , Kun Chen , Jinchi Lv , Wei Lin

Sparse-view 3D reconstruction is essential for applications in which dense image acquisition is impractical, such as robotics, augmented/virtual reality (AR/VR), and autonomous systems. In these settings, minimal image overlap prevents…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Tanveer Younis , Zhanglin Cheng

In this paper, we propose a novel approach to reconstruct 3D human body shapes based on a sparse set of RGBD frames using a single RGBD camera. We specifically focus on the realistic settings where human subjects move freely during the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Xinxin Zuo , Sen Wang , Jiangbin Zheng , Weiwei Yu , Minglun Gong , Ruigang Yang , Li Cheng

For compressive sensing of dynamic sparse signals, we develop an iterative pursuit algorithm. A dynamic sparse signal process is characterized by varying sparsity patterns over time/space. For such signals, the developed algorithm is able…

Statistics Theory · Mathematics 2012-10-15 Dave Zachariah , Saikat Chatterjee , Magnus Jansson

Vision-based perception for autonomous driving requires an explicit modeling of a 3D space, where 2D latent representations are mapped and subsequent 3D operators are applied. However, operating on dense latent spaces introduces a cubic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Pin Tang , Zhongdao Wang , Guoqing Wang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

Various works have aimed at combining the inference efficiency of recurrent models and training parallelism of multi-head attention for sequence modeling. However, most of these works focus on tasks with fixed-dimension observation spaces,…

Machine Learning · Computer Science 2024-10-14 Bryce Ferenczi , Michael Burke , Tom Drummond

Detecting objects in 3D LiDAR data is a core technology for autonomous driving and other robotics applications. Although LiDAR data is acquired over time, most of the 3D object detection algorithms propose object bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Rui Huang , Wanyue Zhang , Abhijit Kundu , Caroline Pantofaru , David A Ross , Thomas Funkhouser , Alireza Fathi

We consider the recovery of sparse signals that share a common support from multiple measurement vectors. The performance of several algorithms developed for this task depends on parameters like dimension of the sparse signal, dimension of…

Methodology · Statistics 2015-04-08 Deepa K. G. , Sooraj K. Ambat , K. V. S. Hari

Combining sparse IMUs and a monocular camera is a new promising setting to perform real-time human motion capture. This paper proposes a diffusion-based solution to learn human motion priors and fuse the two modalities of signals together…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Shaohua Pan , Xinyu Yi , Yan Zhou , Weihua Jian , Yuan Zhang , Pengfei Wan , Feng Xu

4D modeling of human-object interactions is critical for numerous applications. However, efficient volumetric capture and rendering of complex interaction scenarios, especially from sparse inputs, remain challenging. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yuheng Jiang , Suyi Jiang , Guoxing Sun , Zhuo Su , Kaiwen Guo , Minye Wu , Jingyi Yu , Lan Xu

We present a new space-efficient approach, (SparseDTW), to compute the Dynamic Time Warping (DTW) distance between two time series that always yields the optimal result. This is in contrast to other known approaches which typically…

Databases · Computer Science 2012-01-17 Ghazi Al-Naymat , Sanjay Chawla , Javid Taheri

In the AIGC era, generating high-quality 4D content has garnered increasing research attention. Unfortunately, current 4D synthesis research is severely constrained by the lack of large-scale 4D datasets, preventing models from adequately…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Wei Liu , Shengqiong Wu , Bobo Li , Haoyu Zhao , Hao Fei , Mong-Li Lee , Wynne Hsu

The unprecedented X-ray flux density provided by modern X-ray sources offers new spatiotemporal possibilities for X-ray imaging of fast dynamic processes. Approaches to exploit such possibilities often result in either i) a limited number…

Image and Video Processing · Electrical Eng. & Systems 2025-04-07 Zisheng Yao , Yuhe Zhang , Zhe Hu , Robert Klöfkorn , Tobias Ritschel , Pablo Villanueva-Perez

Deep neural networks have evolved as the leading approach in 3D medical image segmentation due to their outstanding performance. However, the ever-increasing model size and computation cost of deep neural networks have become the primary…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Boqian Wu , Qiao Xiao , Shiwei Liu , Lu Yin , Mykola Pechenizkiy , Decebal Constantin Mocanu , Maurice Van Keulen , Elena Mocanu

This paper introduces SparseTSF, a novel, extremely lightweight model for Long-term Time Series Forecasting (LTSF), designed to address the challenges of modeling complex temporal dependencies over extended horizons with minimal…

Machine Learning · Computer Science 2024-06-04 Shengsheng Lin , Weiwei Lin , Wentai Wu , Haojun Chen , Junjie Yang

Some data from multiple sources can be modeled as multimodal time-series events which have different sampling frequencies, data compositions, temporal relations and characteristics. Different types of events have complex nonlinear…

Artificial Intelligence · Computer Science 2022-09-07 Peiwang Tang , Xianchao Zhang