English
Related papers

Related papers: CLIPtortionist: Zero-shot Text-driven Deformation …

200 papers

We present an approach to robustly track the geometry of an object that deforms over time from a set of input point clouds captured from a single viewpoint. The deformations we consider are caused by applying forces to known locations on…

Computer Vision and Pattern Recognition · Computer Science 2015-03-31 Stefanie Wuhrer , Jochen Lang , Motahareh Tekieh , Chang Shu

We present a new deep learning approach for matching deformable shapes by introducing {\it Shape Deformation Networks} which jointly encode 3D shapes and correspondences. This is achieved by factoring the surface representation into (i) a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Thibault Groueix , Matthew Fisher , Vladimir G. Kim , Bryan C. Russell , Mathieu Aubry

If a picture is worth thousand words, a moving 3d shape must be worth a million. We build upon the success of recent generative methods that create images fitting the semantics of a text prompt, and extend it to the controlled generation of…

Machine Learning · Computer Science 2021-09-28 Nikolay Jetchev

We introduce a novel regularization for localizing an elastic-energy-driven deformation to only those regions being manipulated by the user. Our local deformation features a natural region of influence, which is automatically adaptive to…

Graphics · Computer Science 2023-06-13 Honglin Chen , Changxi Zheng , Kevin Wampler

Recent text-to-image matching models apply contrastive learning to large corpora of uncurated pairs of images and sentences. While such models can provide a powerful score for matching and subsequent zero-shot tasks, they are not capable of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Yoad Tewel , Yoav Shalev , Idan Schwartz , Lior Wolf

Contrastive models like CLIP have been shown to learn robust representations of images that capture both semantics and style. To leverage these representations for image generation, we propose a two-stage model: a prior that generates a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Aditya Ramesh , Prafulla Dhariwal , Alex Nichol , Casey Chu , Mark Chen

This work presents CLIPDraw, an algorithm that synthesizes novel drawings based on natural language input. CLIPDraw does not require any training; rather a pre-trained CLIP language-image encoder is used as a metric for maximizing…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Kevin Frans , L. B. Soros , Olaf Witkowski

We propose a framework that can deform an object in a 2D image as it exists in 3D space. Most existing methods for 3D-aware image manipulation are limited to (1) only changing the global scene information or depth, or (2) manipulating an…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jihyun Lee , Minhyuk Sung , Hyunjin Kim , Tae-Kyun Kim

This expository paper introduces a simplified approach to image-based quality inspection in manufacturing using OpenAI's CLIP (Contrastive Language-Image Pretraining) model adapted for few-shot learning. While CLIP has demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Fadel M. Megahed , Ying-Ju Chen , Bianca Maria Colosimo , Marco Luigi Giuseppe Grasso , L. Allison Jones-Farmer , Sven Knoth , Hongyue Sun , Inez Zwetsloot

The development of higher order finite elements methods has become an active research area. The deformation method for mesh generation has achieved a prescribed positive Jacobian determinant constraint and it has been a useful method for…

Computational Geometry · Computer Science 2017-10-03 Zicong Zhou , Xi Chen , Guojun Liao

Robotic grasping is a cornerstone capability of embodied systems. Many methods directly output grasps from partial information without modeling the geometry of the scene, leading to suboptimal motion and even collisions. To address these…

Controlling illumination can generate high quality information about object surface normals and depth discontinuities at a low computational cost. In this work we demonstrate a robot workspace-scaled controlled illumination approach that…

Robotics · Computer Science 2023-11-08 Arkadeep Narayan Chaudhury , Leonid Keselman , Christopher G. Atkeson

3D human motion capture from monocular RGB images respecting interactions of a subject with complex and possibly deformable environments is a very challenging, ill-posed and under-explored problem. Existing methods address it only weakly…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Zhi Li , Soshi Shimada , Bernt Schiele , Christian Theobalt , Vladislav Golyanik

Monocular SLAM algorithms perform robustly when observing rigid scenes, however, they fail when the observed scene deforms, for example, in medical endoscopy applications. We present DefSLAM, the first monocular SLAM capable of operating in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Jose Lamarca , Shaifali Parashar , Adrien Bartoli , J. M. M. Montiel

Self-supervised and language-supervised image models contain rich knowledge of the world that is important for generalization. Many robotic tasks, however, require a detailed understanding of 3D geometry, which is often lacking in 2D image…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 William Shen , Ge Yang , Alan Yu , Jansen Wong , Leslie Pack Kaelbling , Phillip Isola

Object-context shortcuts remain a persistent challenge in vision-language models, undermining zero-shot reliability when test-time scenes differ from familiar training co-occurrences. We recast this issue as a causal inference problem and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Pei Peng , MingKun Xie , Hang Hao , Tong Jin , ShengJun Huang

The last several years have seen significant progress in using depth cameras for tracking articulated objects such as human bodies, hands, and robotic manipulators. Most approaches focus on tracking skeletal parameters of a fixed shape…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Aaron Walsman , Weilin Wan , Tanner Schmidt , Dieter Fox

Adopting contrastive image-text pretrained models like CLIP towards video classification has gained attention due to its cost-effectiveness and competitive performance. However, recent works in this area face a trade-off. Finetuning the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Syed Talal Wasim , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

Referring medical image segmentation targets delineating lesions indicated by textual descriptions. Aligning visual and textual cues is challenging due to their distinct data properties. Inspired by large-scale pre-trained vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yaxiong Chen , Minghong Wei , Zixuan Zheng , Jingliang Hu , Yilei Shi , Shengwu Xiong , Xiao Xiang Zhu , Lichao Mou

Despite its prevalent use in image-text matching tasks in a zero-shot manner, CLIP has been shown to be highly vulnerable to adversarial perturbations added onto images. Recent studies propose to finetune the vision encoder of CLIP with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Songlong Xing , Zhengyu Zhao , Nicu Sebe