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We present a technique for zero-shot generation of a 3D model using only a target text prompt. Without any 3D supervision our method deforms the control shape of a limit subdivided surface along with its texture map and normal map to obtain…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Nasir Mohammad Khalid , Tianhao Xie , Eugene Belilovsky , Tiberiu Popa

Recent works have demonstrated that natural language can be used to generate and edit 3D shapes. However, these methods generate shapes with limited fidelity and diversity. We introduce CLIP-Sculptor, a method to address these constraints…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Aditya Sanghi , Rao Fu , Vivian Liu , Karl Willis , Hooman Shayani , Amir Hosein Khasahmadi , Srinath Sridhar , Daniel Ritchie

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…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Jiale Xu , Xintao Wang , Weihao Cheng , Yan-Pei Cao , Ying Shan , Xiaohu Qie , Shenghua Gao

Large-scale pre-trained multi-modal models (e.g., CLIP) demonstrate strong zero-shot transfer capability in many discriminative tasks. Their adaptation to zero-shot image-conditioned text generation tasks has drawn increasing interest.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Wei Li , Linchao Zhu , Longyin Wen , Yi Yang

Generating shapes using natural language can enable new ways of imagining and creating the things around us. While significant recent progress has been made in text-to-image generation, text-to-shape generation remains a challenging problem…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Aditya Sanghi , Hang Chu , Joseph G. Lambourne , Ye Wang , Chin-Yi Cheng , Marco Fumero , Kamal Rahimi Malekshan

We present a technique for automatically producing a deformation of an input triangle mesh, guided solely by a text prompt. Our framework is capable of deformations that produce both large, low-frequency shape changes, and small…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 William Gao , Noam Aigerman , Thibault Groueix , Vladimir G. Kim , Rana Hanocka

The robotic shape control of deformable linear objects has garnered increasing interest within the robotics community. Despite recent progress, the majority of shape control approaches can be classified into two main groups: open-loop…

Robotics · Computer Science 2024-09-20 Azad Artinian , Faiz Ben Amar , Veronique Perdereau

Robotic grasping of 3D deformable objects (e.g., fruits/vegetables, internal organs, bottles/boxes) is critical for real-world applications such as food processing, robotic surgery, and household automation. However, developing grasp…

We propose CLIP-Actor, a text-driven motion recommendation and neural mesh stylization system for human mesh animation. CLIP-Actor animates a 3D human mesh to conform to a text prompt by recommending a motion sequence and optimizing mesh…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Kim Youwang , Kim Ji-Yeon , Tae-Hyun Oh

Pretrained vision-language models, such as CLIP, show promising zero-shot performance across a wide variety of datasets. For closed-set classification tasks, however, there is an inherent limitation: CLIP image encoders are typically…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Piyapat Saranrittichai , Mauricio Munoz , Volker Fischer , Chaithanya Kumar Mummadi

Training a 3D scene understanding model requires complicated human annotations, which are laborious to collect and result in a model only encoding close-set object semantics. In contrast, vision-language pre-training models (e.g., CLIP)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Junbo Zhang , Runpei Dong , Kaisheng Ma

Contrastive Language-Image Pre-training (CLIP) has made a remarkable breakthrough in open-vocabulary zero-shot image recognition. Many recent studies leverage the pre-trained CLIP models for image-level classification and manipulation. In…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Chong Zhou , Chen Change Loy , Bo Dai

Recent advances in pre-training vision-language models like CLIP have shown great potential in learning transferable visual representations. Nonetheless, for downstream inference, CLIP-like models suffer from either 1) degraded accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Feng Wang , Manling Li , Xudong Lin , Hairong Lv , Alexander G. Schwing , Heng Ji

The free-form deformation model can represent a wide range of non-rigid deformations by manipulating a control point lattice over the image. However, due to a large number of parameters, it is challenging to fit the free-form deformation…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Takumi Nakane , Haoran Xie , Chao Zhang

Existing shape estimation methods for deformable object manipulation suffer from the drawbacks of being off-line, model dependent, noise-sensitive or occlusion-sensitive, and thus are not appropriate for manipulation tasks requiring high…

Robotics · Computer Science 2018-09-27 Tao Han , Xuan Zhao , Peigen Sun , Jia Pan

We study zero-shot 3D alignment of two given meshes, using a text prompt describing their spatial relation -- an essential capability for content creation and scene assembly. Earlier approaches primarily rely on geometric alignment…

Graphics · Computer Science 2026-03-03 Rotem Gatenyo , Ohad Fried

We present CLIP-NeRF, a multi-modal 3D object manipulation method for neural radiance fields (NeRF). By leveraging the joint language-image embedding space of the recent Contrastive Language-Image Pre-Training (CLIP) model, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Can Wang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

This study introduces a novel approach to online embedding of multi-scale CLIP (Contrastive Language-Image Pre-Training) features into 3D maps. By harnessing CLIP, this methodology surpasses the constraints of conventional…

Robotics · Computer Science 2024-03-28 Shun Taguchi , Hideki Deguchi

Current state-of-the-art methods for text-to-shape generation either require supervised training using a labeled dataset of pre-defined 3D shapes, or perform expensive inference-time optimization of implicit neural representations. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Kelly O. Marshall , Minh Pham , Ameya Joshi , Anushrut Jignasu , Aditya Balu , Adarsh Krishnamurthy , Chinmay Hegde

Multi-label classification is an essential task utilized in a wide variety of real-world applications. Multi-label zero-shot learning is a method for classifying images into multiple unseen categories for which no training data is…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Muhammad Ali , Salman Khan
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