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This paper proposes a category-level 6D object pose and shape estimation approach iCaps, which allows tracking 6D poses of unseen objects in a category and estimating their 3D shapes. We develop a category-level auto-encoder network using…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Xinke Deng , Junyi Geng , Timothy Bretl , Yu Xiang , Dieter Fox

Object pose estimation is an important component of most vision pipelines for embodied agents, as well as in 3D vision more generally. In this paper we tackle the problem of estimating the pose of novel object categories in a zero-shot…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Walter Goodwin , Sagar Vaze , Ioannis Havoutis , Ingmar Posner

Unsupervised multimodal change detection is pivotal for time-sensitive tasks and comprehensive multi-temporal Earth monitoring. In this study, we explore unsupervised multimodal change detection between two key remote sensing data sources:…

图像与视频处理 · 电气工程与系统科学 2024-01-18 Hongruixuan Chen , Jian Song , Naoto Yokoya

With the explosive 3D data growth, the urgency of utilizing zero-shot learning to facilitate data labeling becomes evident. Recently, methods transferring language or language-image pre-training models like Contrastive Language-Image…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Weiguang Zhao , Guanyu Yang , Rui Zhang , Chenru Jiang , Chaolong Yang , Yuyao Yan , Amir Hussain , Kaizhu Huang

We offer a novel approach to image composition, which integrates multiple input images into a single, coherent image. Rather than concentrating on specific use cases such as appearance editing (image harmonization) or semantic editing…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Zhekai Chen , Wen Wang , Zhen Yang , Zeqing Yuan , Hao Chen , Chunhua Shen

Recently, large pre-trained vision-language models have shown remarkable performance in zero-shot anomaly detection (ZSAD). With fine-tuning on a single auxiliary dataset, the model enables cross-category anomaly detection on diverse…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Qiyu Chen , Zhen Qu , Wei Luo , Haiming Yao , Yunkang Cao , Yuxin Jiang , Yinan Duan , Huiyuan Luo , Chengkan Lv , Zhengtao Zhang

One practical approach to infer 3D scene structure from a single image is to retrieve a closely matching 3D model from a database and align it with the object in the image. Existing methods rely on supervised training with images and pose…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Pattaramanee Arsomngern , Sasikarn Khwanmuang , Matthias Nießner , Supasorn Suwajanakorn

In this paper, we propose a novel object-level mapping system that can simultaneously segment, track, and reconstruct objects in dynamic scenes. It can further predict and complete their full geometries by conditioning on reconstructions…

计算机视觉与模式识别 · 计算机科学 2022-08-11 Binbin Xu , Andrew J. Davison , Stefan Leutenegger

Zero-shot anomaly classification (AC) and segmentation (AS) methods aim to identify and outline defects without using any labeled samples. In this paper, we reveal a key property that is overlooked by existing methods: normal image patches…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Xurui Li , Feng Xue , Yu Zhou

The Segment Anything Model (SAM) represents a significant breakthrough into foundation models for computer vision, providing a large-scale image segmentation model. However, despite SAM's zero-shot performance, its segmentation masks lack…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Xianjie Liu , Keren Fu , Yao Jiang , Qijun Zhao

We present a simple yet effective training-free approach for zero-shot 3D symmetry detection that leverages visual features from foundation vision models such as DINOv2. Our method extracts features from rendered views of 3D objects and…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Isaac Aguirre , Ivan Sipiran

Applications from manipulation to autonomous vehicles rely on robust and general object tracking to safely perform tasks in dynamic environments. We propose the first certifiably optimal category-level approach for simultaneous shape…

机器人学 · 计算机科学 2024-12-09 Lorenzo Shaikewitz , Samuel Ubellacker , Luca Carlone

Current foundation models for 3D shapes excel at global tasks (retrieval, classification) but transfer poorly to local part-level reasoning. Recent approaches leverage vision and language foundation models to directly solve dense tasks…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Souhail Hadgi , Bingchen Gong , Ramana Sundararaman , Emery Pierson , Lei Li , Peter Wonka , Maks Ovsjanikov

Knowledge of 3-D object shape is of great importance to robot manipulation tasks, but may not be readily available in unstructured environments. While vision is often occluded during robot-object interaction, high-resolution tactile sensors…

机器人学 · 计算机科学 2022-03-11 Sudharshan Suresh , Zilin Si , Joshua G. Mangelson , Wenzhen Yuan , Michael Kaess

In this work, we introduce a generative approach for pose-free (without camera parameters) reconstruction of 360 scenes from a sparse set of 2D images. Pose-free scene reconstruction from incomplete, pose-free observations is usually…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Soumava Paul , Prakhar Kaushik , Alan Yuille

Vision-and-Language Navigation (VLN) has recently benefited from Multimodal Large Language Models (MLLMs), enabling zero-shot navigation. While recent exploration-based zero-shot methods have shown promising results by leveraging global…

机器人学 · 计算机科学 2026-03-31 Jiwen Zhang , Xiangyu Shi , Siyuan Wang , Zerui Li , Zhongyu Wei , Qi Wu

We introduce SAMPro3D for zero-shot instance segmentation of 3D scenes. Given the 3D point cloud and multiple posed RGB-D frames of 3D scenes, our approach segments 3D instances by applying the pretrained Segment Anything Model (SAM) to 2D…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Mutian Xu , Xingyilang Yin , Lingteng Qiu , Yang Liu , Xin Tong , Xiaoguang Han

We propose a self-supervised method for partial point set registration. While recent proposed learning-based methods have achieved impressive registration performance on the full shape observations, these methods mostly suffer from…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Xiang Li , Lingjing Wang , Yi Fang

Recent CLIP-guided 3D optimization methods, such as DreamFields and PureCLIPNeRF, have achieved impressive results in zero-shot text-to-3D synthesis. However, due to scratch training and random initialization without prior knowledge, these…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Jiale Xu , Xintao Wang , Weihao Cheng , Yan-Pei Cao , Ying Shan , Xiaohu Qie , Shenghua Gao

As we move towards large-scale object detection, it is unrealistic to expect annotated training data, in the form of bounding box annotations around objects, for all object classes at sufficient scale, and so methods capable of unseen…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Pengkai Zhu , Hanxiao Wang , Venkatesh Saligrama