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Related papers: InstructP2P: Learning to Edit 3D Point Clouds with…

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This paper presents a parameter-efficient prompt tuning method, named PPT, to adapt a large multi-modal model for 3D point cloud understanding. Existing strategies are quite expensive in computation and storage, and depend on time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hongyu Sun , Yongcai Wang , Wang Chen , Haoran Deng , Deying Li

Instruction-guided 3D editing is a rapidly emerging field with the potential to broaden access to 3D content creation. However, existing methods face critical limitations: optimization-based approaches are prohibitively slow, while…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Weiwei Cai , Shuangkang Fang , Weicai Ye , Xin Dong , Yunhan Yang , Xuanyang Zhang , Wei Cheng , Yanpei Cao , Gang Yu , Tao Chen

Automatic synthesis of high quality 3D shapes is an ongoing and challenging area of research. While several data-driven methods have been proposed that make use of neural networks to generate 3D shapes, none of them reach the level of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-28 Isaak Lim , Moritz Ibing , Leif Kobbelt

Current text-driven image editing methods typically follow one of two directions: relying on large-scale, high-quality editing pair datasets to improve editing precision and diversity, or exploring alternative dataset-free techniques.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Chenrui Ma , Xi Xiao , Tianyang Wang , Yanning Shen

The past few years have witnessed the great success and prevalence of self-supervised representation learning within the language and 2D vision communities. However, such advancements have not been fully migrated to the field of 3D point…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Qijian Zhang , Junhui Hou

Knowledge editing for large language models can offer an efficient solution to alter a model's behavior without negatively impacting the overall performance. However, the current approaches encounter issues with limited generalizability…

Computation and Language · Computer Science 2024-04-30 Ningyu Zhang , Bozhong Tian , Siyuan Cheng , Xiaozhuan Liang , Yi Hu , Kouying Xue , Yanjie Gou , Xi Chen , Huajun Chen

We present a learning-based method for interpolating and manipulating 3D shapes represented as point clouds, that is explicitly designed to preserve intrinsic shape properties. Our approach is based on constructing a dual encoding space…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Marie-Julie Rakotosaona , Maks Ovsjanikov

The latest trends in the research field of single-view human reconstruction devote to learning deep implicit functions constrained by explicit body shape priors. Despite the remarkable performance improvements compared with traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yingzhi Tang , Qijian Zhang , Junhui Hou , Yebin Liu

Diffusion probabilistic models have achieved remarkable success in text guided image generation. However, generating 3D shapes is still challenging due to the lack of sufficient data containing 3D models along with their descriptions.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zijie Wu , Yaonan Wang , Mingtao Feng , He Xie , Ajmal Mian

Parameter-efficient fine-tuning strategies for foundation models in 1D textual and 2D visual analysis have demonstrated remarkable efficacy. However, due to the scarcity of point cloud data, pre-training large 3D models remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Mengke Li , Lihao Chen , Peng Zhang , Yiu-ming Cheung , Hui Huang

Image-to-point-cloud (I2P) registration aims to align 2D images with 3D point clouds by establishing reliable 2D-3D correspondences. The drastic modality gap between images and point clouds makes it challenging to learn features that are…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Pei An , Junfeng Ding , Jiaqi Yang , Yulong Wang , Jie Ma , Liangliang Nan

Pre-trained point cloud models have found extensive applications in 3D understanding tasks like object classification and part segmentation. However, the prevailing strategy of full fine-tuning in downstream tasks leads to large per-task…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Yaohua Zha , Jinpeng Wang , Tao Dai , Bin Chen , Zhi Wang , Shu-Tao Xia

3D single object tracking (SOT) methods based on appearance matching has long suffered from insufficient appearance information incurred by incomplete, textureless and semantically deficient LiDAR point clouds. While motion paradigm…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Jiahao Nie , Fei Xie , Sifan Zhou , Xueyi Zhou , Dong-Kyu Chae , Zhiwei He

Recently, diffusion-based methods, like InstructPix2Pix (IP2P), have achieved effective instruction-based image editing, requiring only natural language instructions from the user. However, these methods often inadvertently alter unintended…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Qin Guo , Tianwei Lin

Video editing according to instructions is a highly challenging task due to the difficulty in collecting large-scale, high-quality edited video pair data. This scarcity not only limits the availability of training data but also hinders the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Chi Zhang , Chengjian Feng , Feng Yan , Qiming Zhang , Mingjin Zhang , Yujie Zhong , Jing Zhang , Lin Ma

Recent research has shown the effectiveness of mmWave radar sensing for object detection in low visibility environments, which makes it an ideal technique in autonomous navigation systems. In this paper, we introduce Radar to Point Cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Yue Sun , Honggang Zhang , Zhuoming Huang , Benyuan Liu

Point clouds provide a compact and efficient representation of 3D shapes. While deep neural networks have achieved impressive results on point cloud learning tasks, they require massive amounts of manually labeled data, which can be costly…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Omid Poursaeed , Tianxing Jiang , Han Qiao , Nayun Xu , Vladimir G. Kim

Diffusion models have significantly improved the performance of image editing. Existing methods realize various approaches to achieve high-quality image editing, including but not limited to text control, dragging operation, and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Ling Yang , Bohan Zeng , Jiaming Liu , Hong Li , Minghao Xu , Wentao Zhang , Shuicheng Yan

Recent advances in generative diffusion models have enabled text-controlled synthesis of realistic and diverse images with impressive quality. Despite these remarkable advances, the application of text-to-image generative models in computer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yulu Gan , Sungwoo Park , Alexander Schubert , Anthony Philippakis , Ahmed M. Alaa

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo