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Reconstructing the 3D shape of an object using several images under different light sources is a very challenging task, especially when realistic assumptions such as light propagation and attenuation, perspective viewing geometry and…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Fotios Logothetis , Roberto Mecca , Ignas Budvytis , Roberto Cipolla

How will you repair a physical object with some missings? You may imagine its original shape from previously captured images, recover its overall (global) but coarse shape first, and then refine its local details. We are motivated to…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zhe Zhu , Liangliang Nan , Haoran Xie , Honghua Chen , Mingqiang Wei , Jun Wang , Jing Qin

To enhance the controllability of text-to-image diffusion models, existing efforts like ControlNet incorporated image-based conditional controls. In this paper, we reveal that existing methods still face significant challenges in generating…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Ming Li , Taojiannan Yang , Huafeng Kuang , Jie Wu , Zhaoning Wang , Xuefeng Xiao , Chen Chen

In the practical application of restoring low-resolution gray-scale images, we generally need to run three separate processes of image colorization, super-resolution, and dows-sampling operation for the target device. However, this pipeline…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Jiangning Zhang , Chao Xu , Jian Li , Yue Han , Yabiao Wang , Ying Tai , Yong Liu

Detecting 3D objects from a single RGB image is intrinsically ambiguous, thus requiring appropriate prior knowledge and intermediate representations as constraints to reduce the uncertainties and improve the consistencies between the 2D…

计算机视觉与模式识别 · 计算机科学 2019-12-18 Siyuan Huang , Yixin Chen , Tao Yuan , Siyuan Qi , Yixin Zhu , Song-Chun Zhu

Diffusion models achieve remarkable quality in image generation, but at a cost. Iterative denoising requires many time steps to produce high fidelity images. We argue that the denoising process is crucially limited by an accumulation of the…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Hui Lu , Albert ali Salah , Ronald Poppe

Shape completion, i.e., predicting the complete geometry of an object from a partial observation, is highly relevant for several downstream tasks, most notably robotic manipulation. When basing planning or prediction of real grasps on…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Matthias Humt , Dominik Winkelbauer , Ulrich Hillenbrand

We present a conceptually simple yet effective algorithm to detect wireframes in a given image. Compared to the previous methods which first predict an intermediate heat map and then extract straight lines with heuristic algorithms, our…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Yichao Zhou , Haozhi Qi , Yi Ma

All-in-one image restoration aims to handle diverse degradations within a single model. However, existing methods often suffer from three key limitations: 1) per-input computational overhead from dynamic degradation estimation; 2)…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Ao Li , Xiaoning Liu , Sheng Li , Yapeng Du , Zhen Long , Lei Luo , Le Zhang , Ce Zhu

Time cost is a major challenge in achieving high-quality pluralistic image completion. Recently, the Retentive Network (RetNet) in natural language processing offers a novel approach to this problem with its low-cost inference capabilities.…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Yueyang Cang , Pingge Hu , Xiaoteng Zhang , Xingtong Wang , Yuhang Liu , Li Shi

Recently, learned image compression methods have been actively studied. Among them, entropy-minimization based approaches have achieved superior results compared to conventional image codecs such as BPG and JPEG2000. However, the quality…

图像与视频处理 · 电气工程与系统科学 2020-03-16 Jooyoung Lee , Seunghyun Cho , Munchurl Kim

The task of point cloud completion aims to predict the missing part for an incomplete 3D shape. A widely used strategy is to generate a complete point cloud from the incomplete one. However, the unordered nature of point clouds will degrade…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

3D reconstruction from a single RGB image is a challenging problem in computer vision. Previous methods are usually solely data-driven, which lead to inaccurate 3D shape recovery and limited generalization capability. In this work, we focus…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Yichao Zhou , Shichen Liu , Yi Ma

We tackle the problem of object completion from point clouds and propose a novel point cloud completion network employing an Asymmetrical Siamese Feature Matching strategy, termed as ASFM-Net. Specifically, the Siamese auto-encoder neural…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Yaqi Xia , Yan Xia , Wei Li , Rui Song , Kailang Cao , Uwe Stilla

We present FlowNet3D++, a deep scene flow estimation network. Inspired by classical methods, FlowNet3D++ incorporates geometric constraints in the form of point-to-plane distance and angular alignment between individual vectors in the flow…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Zirui Wang , Shuda Li , Henry Howard-Jenkins , Victor Adrian Prisacariu , Min Chen

Optics-guided thermal UAV image super-resolution has attracted significant research interest due to its potential in all-weather monitoring applications. However, existing methods typically compress optical features to match thermal feature…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Zhicheng Zhao , Fengjiao Peng , Jinquan Yan , Wei Lu , Chenglong Li , Jin Tang

Panoptic Part Segmentation (PPS) unifies panoptic and part segmentation into one task. Previous works utilize separate approaches to handle things, stuff, and part predictions without shared computation and task association. We aim to unify…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Xiangtai Li , Shilin Xu , Yibo Yang , Haobo Yuan , Guangliang Cheng , Yunhai Tong , Zhouchen Lin , Ming-Hsuan Yang , Dacheng Tao

Recovering high-quality depth maps from compressed sources has gained significant attention due to the limitations of consumer-grade depth cameras and the bandwidth restrictions during data transmission. However, current methods still…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Huan Zheng , Wencheng Han , Jianbing Shen

Conventional multi-projector calibration requires projecting and capturing structured light patterns for each projector sequentially, causing calibration time and effort to increase linearly with the number of projectors. This scalability…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Takumi Kawano , Kohei Miura , Daisuke Iwai

Existing polygonal surface reconstruction methods heavily depend on input completeness and struggle with incomplete point clouds. We argue that while current point cloud completion techniques may recover missing points, they are not…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Zhaiyu Chen , Yuqing Wang , Liangliang Nan , Xiao Xiang Zhu