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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

Observational noise, inaccurate segmentation and ambiguity due to symmetry and occlusion lead to inaccurate object pose estimates. While depth- and RGB-based pose refinement approaches increase the accuracy of the resulting pose estimates,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Dominik Bauer , Timothy Patten , Markus Vincze

Current works focus on addressing the remote sensing change detection task using bi-temporal images. Although good performance can be achieved, however, seldom of they consider the motion cues which may also be vital. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Xixi Wang , Zitian Wang , Jingtao Jiang , Lan Chen , Xiao Wang , Bo Jiang

Pre-defined 3D object templates are widely used in 3D reconstruction of hand-object interactions. However, they often require substantial manual efforts to capture or source, and inherently restrict the adaptability of models to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yiyao Huang , Zhedong Zheng , Yu Ziwei , Yaxiong Wang , Tze Ho Elden Tse , Angela Yao

The generation of realistic and contextually relevant co-speech gestures is a challenging yet increasingly important task in the creation of multimodal artificial agents. Prior methods focused on learning a direct correspondence between…

Human-Computer Interaction · Computer Science 2023-05-09 Hendric Voß , Stefan Kopp

Pose refinement is an interesting and practically relevant research direction. Pose refinement can be used to (1) obtain a more accurate pose estimate from an initial prior (e.g., from retrieval), (2) as pre-processing, i.e., to provide a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Gabriele Trivigno , Carlo Masone , Barbara Caputo , Torsten Sattler

Finding local features that are repeatable across multiple views is a cornerstone of sparse 3D reconstruction. The classical image matching paradigm detects keypoints per-image once and for all, which can yield poorly-localized features and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Philipp Lindenberger , Paul-Edouard Sarlin , Viktor Larsson , Marc Pollefeys

Most of the recent deep learning-based 3D human pose and mesh estimation methods regress the pose and shape parameters of human mesh models, such as SMPL and MANO, from an input image. The first weakness of these methods is an appearance…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Hongsuk Choi , Gyeongsik Moon , Kyoung Mu Lee

Text-to-Image (T2I) models and Unified Multimodal Models (UMMs) have achieved remarkable progress in visual generation. However, their reliance on a single-pass generation paradigm limits their ability to handle complex prompts requiring…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Junjie Wang , Xinghua Lou , Jason Li , Ye Tian , Keyu Chen , Yulin Li , Bin Kang , Jacky Mai , Yanwei Li , Zhuotao Tian , Liqiang Nie

Most previous learning-based visual odometry (VO) methods take VO as a pure tracking problem. In contrast, we present a VO framework by incorporating two additional components called Memory and Refining. The Memory component preserves…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Fei Xue , Xin Wang , Shunkai Li , Qiuyuan Wang , Junqiu Wang , Hongbin Zha

Text-to-image person re-identification (ReID) aims to search for pedestrian images of an interested identity via textual descriptions. It is challenging due to both rich intra-modal variations and significant inter-modal gaps. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Zhiyin Shao , Xinyu Zhang , Meng Fang , Zhifeng Lin , Jian Wang , Changxing Ding

Text-to-motion generation requires not only grounding local actions in language but also seamlessly blending these individual actions to synthesize diverse and realistic global motions. However, existing motion generation methods primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Peng Jin , Hao Li , Zesen Cheng , Kehan Li , Runyi Yu , Chang Liu , Xiangyang Ji , Li Yuan , Jie Chen

Recent advances in generative modeling and tokenization have driven significant progress in text-to-motion generation, leading to enhanced quality and realism in generated motions. However, effectively leveraging textual information for…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Che-Jui Chang , Qingze Tony Liu , Honglu Zhou , Vladimir Pavlovic , Mubbasir Kapadia

Despite remarkable progress in Multimodal Large Language Models (MLLMs), these models still struggle with fine-grained understanding tasks. In this work, we propose Procedurally Generated Tasks (PGT), a simple data-driven framework that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Rim Assouel , Amir Bar , Michal Drozdzal , Adriana Romero-Soriano

Recent advances in text-to-image (T2I) generation have achieved impressive results, yet existing models often struggle with simple or underspecified prompts, leading to suboptimal image-text alignment, aesthetics, and quality. We propose a…

Computation and Language · Computer Science 2025-10-16 Ruibo Chen , Jiacheng Pan , Heng Huang , Zhenheng Yang

State-of-the-art object pose estimation methods are prone to generating geometrically infeasible pose hypotheses. This problem is prevalent in dexterous manipulation, where estimated poses often intersect with the robotic hand or are not…

Robotics · Computer Science 2026-03-24 Anil Zeybek , Rhys Newbury , Snehal Dikhale , Nawid Jamali , Soshi Iba , Akansel Cosgun

We present Lang2Motion, a framework for language-guided point trajectory generation by aligning motion manifolds with joint embedding spaces. Unlike prior work focusing on human motion or video synthesis, we generate explicit trajectories…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Bishoy Galoaa , Xiangyu Bai , Sarah Ostadabbas

Existing vector quantization (VQ) based autoregressive models follow a two-stage generation paradigm that first learns a codebook to encode images as discrete codes, and then completes generation based on the learned codebook. However, they…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Mengqi Huang , Zhendong Mao , Zhuowei Chen , Yongdong Zhang

3D human motion generation is crucial for creative industry. Recent advances rely on generative models with domain knowledge for text-driven motion generation, leading to substantial progress in capturing common motions. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Mingyuan Zhang , Xinying Guo , Liang Pan , Zhongang Cai , Fangzhou Hong , Huirong Li , Lei Yang , Ziwei Liu

We present personalized residuals and localized attention-guided sampling for efficient concept-driven generation using text-to-image diffusion models. Our method first represents concepts by freezing the weights of a pretrained…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Cusuh Ham , Matthew Fisher , James Hays , Nicholas Kolkin , Yuchen Liu , Richard Zhang , Tobias Hinz
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