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相关论文: InstructP2P: Learning to Edit 3D Point Clouds with…

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Motivated by the intuition that the critical step of localizing a 2D image in the corresponding 3D point cloud is establishing 2D-3D correspondence between them, we propose the first feature-based dense correspondence framework for…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Siyu Ren , Yiming Zeng , Junhui Hou , Xiaodong Chen

Existing class-incremental learning methods in 3D point clouds rely on exemplars (samples of former classes) to resist the catastrophic forgetting of models, and exemplar-free settings will greatly degrade the performance. For exemplar-free…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Chao Qi , Jianqin Yin , Meng Chen , Yingchun Niu , Yuan Sun

Editing images via instruction provides a natural way to generate interactive content, but it is a big challenge due to the higher requirement of scene understanding and generation. Prior work utilizes a chain of large language models,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Liya Ji , Chenyang Qi , Qifeng Chen

Point clouds are unstructured and unordered in the embedded 3D space. In order to produce consistent responses under different permutation layouts, most existing methods aggregate local spatial points through maximum or summation operation.…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Yuan Fang , Chunyan Xu , Zhen Cui , Yuan Zong , Jian Yang

Though a number of point cloud learning methods have been proposed to handle unordered points, most of them are supervised and require labels for training. By contrast, unsupervised learning of point cloud data has received much less…

计算机视觉与模式识别 · 计算机科学 2023-01-25 Jincen Jiang , Xuequan Lu , Wanli Ouyang , Meili Wang

Texture editing is a crucial task in 3D modeling that allows users to automatically manipulate the surface materials of 3D models. However, the inherent complexity of 3D models and the ambiguous text description lead to the challenge in…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Shengqi Liu , Zhuo Chen , Jingnan Gao , Yichao Yan , Wenhan Zhu , Jiangjing Lyu , Xiaokang Yang

Point cloud processing and 3D shape understanding are very challenging tasks for which deep learning techniques have demonstrated great potentials. Still further progresses are essential to allow artificial intelligent agents to interact…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Antonio Alliegro , Davide Boscaini , Tatiana Tommasi

Recent advances in image editing have shifted from manual pixel manipulation to employing deep learning methods like stable diffusion models, which now leverage cross-attention mechanisms for text-driven control. This transition has…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Linn Bieske , Carla Lorente

Given an original image, image editing aims to generate an image that align with the provided instruction. The challenges are to accept multimodal inputs as instructions and a scarcity of high-quality training data, including crucial…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zhen Han , Chaojie Mao , Zeyinzi Jiang , Yulin Pan , Jingfeng Zhang

With the rapid progress of multimodal foundation models and predictive pre-training, an important open question is how to equip 3D point clouds with a pre-training paradigm that is better aligned with next-token and next-embedding learning.…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Yumeng Yao , Jingzhi Dong , Haowen Gu , Tao Chen , Zonghan Wu , Xiaoshui Huang , Yazhou Yao

We propose ClipFace, a novel self-supervised approach for text-guided editing of textured 3D morphable model of faces. Specifically, we employ user-friendly language prompts to enable control of the expressions as well as appearance of 3D…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Shivangi Aneja , Justus Thies , Angela Dai , Matthias Nießner

We present a simple but yet effective method for learning distinctive 3D local deep descriptors (DIPs) that can be used to register point clouds without requiring an initial alignment. Point cloud patches are extracted, canonicalised with…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Fabio Poiesi , Davide Boscaini

As a popular geometric representation, point clouds have attracted much attention in 3D vision, leading to many applications in autonomous driving and robotics. One important yet unsolved issue for learning on point cloud is that point…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yuefan Shen , Yanchao Yang , Mi Yan , He Wang , Youyi Zheng , Leonidas Guibas

Contrastive Language-Image Pre-training, benefiting from large-scale unlabeled text-image pairs, has demonstrated great performance in open-world vision understanding tasks. However, due to the limited Text-3D data pairs, adapting the…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yihan Zeng , Chenhan Jiang , Jiageng Mao , Jianhua Han , Chaoqiang Ye , Qingqiu Huang , Dit-Yan Yeung , Zhen Yang , Xiaodan Liang , Hang Xu

Training a deep network policy for robot manipulation is notoriously costly and time consuming as it depends on collecting a significant amount of real world data. To work well in the real world, the policy needs to see many instances of…

机器人学 · 计算机科学 2019-06-24 Xinchen Yan , Mohi Khansari , Jasmine Hsu , Yuanzheng Gong , Yunfei Bai , Sören Pirk , Honglak Lee

In time series editing, we aim to modify some properties of a given time series without altering others. For example, when analyzing a hospital patient's blood pressure, we may add a sudden early drop and observe how it impacts their future…

机器学习 · 计算机科学 2026-02-16 Jiaxing Qiu , Dongliang Guo , Brynne Sullivan , Teague R. Henry , Thomas Hartvigsen

In this paper, we propose PCPNet, a deep-learning based approach for estimating local 3D shape properties in point clouds. In contrast to the majority of prior techniques that concentrate on global or mid-level attributes, e.g., for shape…

计算几何 · 计算机科学 2018-06-20 Paul Guerrero , Yanir Kleiman , Maks Ovsjanikov , Niloy J. Mitra

In this paper, we present a novel deep method to reconstruct a point cloud of an object from a single still image. Prior arts in the field struggle to reconstruct an accurate and scalable 3D model due to either the inefficient and expensive…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Anh-Duc Nguyen , Seonghwa Choi , Woojae Kim , Sanghoon Lee

Point cloud registration involves aligning one point cloud with another or with a three-dimensional (3D) model, enabling the integration of multimodal data into a unified representation. This is essential in applications such as…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Mehdi Maboudi , Said Harb , Jackson Ferrao , Kourosh Khoshelham , Yelda Turkan , Karam Mawas

In this work, we explore the challenging task of generating 3D shapes from text. Beyond the existing works, we propose a new approach for text-guided 3D shape generation, capable of producing high-fidelity shapes with colors that match the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhengzhe Liu , Yi Wang , Xiaojuan Qi , Chi-Wing Fu