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Open-vocabulary object detection (OVOD) aims to detect known and unknown objects in the open world by leveraging text prompts. Benefiting from the emergence of large-scale vision--language pre-trained models, OVOD has demonstrated strong…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Jiaming Liang , Yifeng Zhan , Chunlin Liu , Weihua Zheng , Bingye Peng , Qiwei Liang , Boyang Cai , Xiaochun Mai , Qiang Nie

We introduce the challenging problem of multi-object system identification from videos, for which prior methods are ill-suited due to their focus on single-object scenes or discrete material classification with a fixed set of material…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Chunjiang Liu , Xiaoyuan Wang , Qingran Lin , Albert Xiao , Haoyu Chen , Shizheng Wen , Hao Zhang , Lu Qi , Ming-Hsuan Yang , Laszlo A. Jeni , Min Xu , Yizhou Zhao

Recent advances in 3D Gaussian Splatting (3DGS) have enabled RGB-only SLAM systems to achieve high-fidelity scene representation. However, the heavy reliance of existing systems on photometric rendering loss for camera tracking undermines…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Zhen Tan , Xieyuanli Chen , Lei Feng , Yangbing Ge , Shuaifeng Zhi , Jiaxiong Liu , Dewen Hu

Despite having achieved real-time performance in mesh construction, most of the current LiDAR odometry and meshing methods may struggle to deal with complex scenes due to relying on explicit meshing schemes. They are usually sensitive to…

Robotics · Computer Science 2023-12-27 Yanjin Zhu , Xin Zheng , Jianke Zhu

Total variation (TV) is a powerful regularization method that has been widely applied in different imaging applications, but is difficult to apply to diffuse optical tomography (DOT) image reconstruction (inverse problem) due to complex and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Wenqi Lu , Jinming Duan , David Orive-Miguel , Lionel Herve , Iain B Styles

Metal-organic frameworks (MOFs) are of immense interest in applications such as gas storage and carbon capture due to their exceptional porosity and tunable chemistry. Their modular nature has enabled the use of template-based methods to…

Chemical Physics · Physics 2023-10-19 Xiang Fu , Tian Xie , Andrew S. Rosen , Tommi Jaakkola , Jake Smith

We present a numerical method for interface-resolved simulations of evaporating two-fluid flows based on the volume-of-fluid (VoF) method. The method has been implemented in an efficient FFT-based two-fluid Navier-Stokes solver, using an…

Computational Physics · Physics 2020-01-24 Nicolò Scapin , Pedro Costa , Luca Brandt

Existing 3D face modeling methods usually depend on 3D Morphable Models, which inherently constrain the representation capacity to fixed shape priors. Optimization-based approaches offer high-quality reconstructions but tend to be…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Pol Caselles Rico , Francesc Moreno Noguer

This paper presents a high-efficiency, CPU-only volumetric mapping framework based on a Truncated Signed Distance Field (TSDF). The system incrementally fuses raw LiDAR point-cloud data into a voxel grid using a directional bitmask-based…

Robotics · Computer Science 2025-09-25 Jose E. Maese , Luis Merino , Fernando Caballero

This letter presents an accurate and robust Lidar Inertial Odometry framework. We fuse LiDAR scans with IMU data using a tightly-coupled iterative error state Kalman filter for robust and fast localization. To achieve robust correspondence…

Robotics · Computer Science 2024-05-08 Xingyu Ji , Shenghai Yuan , Pengyu Yin , Lihua Xie

A numerical technique is described that can efficiently compute solutions in interface problems. These are problems with data, such as the coefficients of differential equations, discontinuous or even singular across one or more interfaces.…

Computational Physics · Physics 2015-05-27 Theodoros P. Horikis

We present a WENO-TVD scheme for the simulation of atmospheric phenomena. The scheme considers a spatial discretization via a second-order TVD flux based upon a flux-centered limiter approach, which makes use of high-order accurate…

Numerical Analysis · Mathematics 2011-11-09 Dante Kalise

A higher-order accurate finite element method is proposed which uses automatically generated meshes based on implicit level-set data for the description of boundaries and interfaces in two and three dimensions. The method is an alternative…

Numerical Analysis · Computer Science 2017-06-06 T. P. Fries

To address the limitations of existing open-vocabulary object recognition methods, specifically high system complexity, substantial training costs, and limited generalization, this paper proposes a novel Open-Vocabulary Object Recognition…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Wei Yu Chen , Ying Dai

We discuss a numerical method for convection-diffusion-reaction problems with a free boundary in 1D. The method is based on the numerical modelling of the interface evolution, the transformation to a fixed domain problem and the…

Numerical Analysis · Mathematics 2009-09-03 Gabriela Kacurova

Contrastive pre-trained vision-language models, such as CLIP, demonstrate strong generalization abilities in zero-shot classification by leveraging embeddings extracted from image and text encoders. This paper aims to robustly fine-tune…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Satoshi Suzuki , Shin'ya Yamaguchi , Shoichiro Takeda , Taiga Yamane , Naoki Makishima , Naotaka Kawata , Mana Ihori , Tomohiro Tanaka , Shota Orihashi , Ryo Masumura

We dispersively interface an ensemble of one thousand atoms trapped in the evanescent field surrounding a tapered optical nanofiber. This method relies on the azimuthally-asymmetric coupling of the ensemble with the evanescent field of an…

Quantum Physics · Physics 2015-03-19 S. T. Dawkins , R. Mitsch , D. Reitz , E. Vetsch , A. Rauschenbeutel

Most learning-based methods estimate ego-motion by utilizing visual sensors, which suffer from dramatic lighting variations and textureless scenarios. In this paper, we incorporate sparse but accurate depth measurements obtained from lidars…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Bin Li , Mu Hu , Shuling Wang , Lianghao Wang , Xiaojin Gong

Freestanding oxide films offer significant potential for integrating exotic quantum functionalities with semiconductor technologies. However, their performance is critically limited by surface roughness and interfacial imperfection caused…

Materials Science · Physics 2025-11-04 Huaicheng Yuan , Yu-Chen Liu , Li-Shu Wang , Zehao Dong , Jan-Chi Yang , Zhen Chen

Reduced graphene oxide (rGO) exhibits strong anisotropic light absorption and high compatibility with photonic integrated chips, making it a promising material for implementing high performance onchip polarization selective devices. The…