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相关论文: Point Cloud Quality Assessment: Dataset Constructi…

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Semantic Scene Completion (SSC) aims to generate a complete semantic scene from an incomplete input. Existing approaches often employ dense network architectures with a high parameter count, leading to increased model complexity and…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Wenzhe He , Xiaojun Chen , Wentang Chen , Hongyu Wang , Ying Liu , Ruihui Li

Modern image super-resolution methods generate detailed, visually appealing results, but they often introduce visual artifacts: unnatural patterns and texture distortions that degrade perceived quality. These defects vary widely in…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ivan Molodetskikh , Kirill Malyshev , Mark Mirgaleev , Nikita Zagainov , Evgeney Bogatyrev , Dmitriy Vatolin

Through experimental studies, however, we observed the instability of final predicted quality scores, which change significantly over different viewpoint settings. Inspired by the "wooden barrel theory", given the default…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Zhiyong Su , Bingxu Xie , Zheng Li , Jincan Wu , Weiqing Li

Recently, learning multi-view neural surface reconstruction with the supervision of point clouds or depth maps has been a promising way. However, due to the underutilization of prior information, current methods still struggle with the…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Chen Zhang , Wanjuan Su , Qingshan Xu , Wenbing Tao

Point cloud segmentation is a fundamental task in 3D. Despite recent progress on point cloud segmentation with the power of deep networks, current learning methods based on the clean label assumptions may fail with noisy labels. Yet, class…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Shuquan Ye , Dongdong Chen , Songfang Han , Jing Liao

Classic public switched telephone networks (PSTN) are often a black box for VoIP network providers, as they have no access to performance indicators, such as delay or packet loss. Only the degraded output speech signal can be used to…

音频与语音处理 · 电气工程与系统科学 2020-07-30 Gabriel Mittag , Ross Cutler , Yasaman Hosseinkashi , Michael Revow , Sriram Srinivasan , Naglakshmi Chande , Robert Aichner

The prevalence of user-generated content (UGC) on platforms such as YouTube and TikTok has rendered no-reference (NR) perceptual video quality assessment (VQA) vital for optimizing video delivery. Nonetheless, the characteristics of…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Xinyi Wang , Angeliki Katsenou , Junxiao Shen , David Bull

Semantic parsing of large-scale 3D point clouds is an important research topic in computer vision and remote sensing fields. Most existing approaches utilize hand-crafted features for each modality independently and combine them in a…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Fangyu Liu , Shuaipeng Li , Liqiang Zhang , Chenghu Zhou , Rongtian Ye , Yuebin Wang , Jiwen Lu

In this paper, we introduce a Point Recurrent Neural Network (PointRNN) for moving point cloud processing. At each time step, PointRNN takes point coordinates $\boldsymbol{P} \in \mathbb{R}^{n \times 3}$ and point features $\boldsymbol{X}…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Hehe Fan , Yi Yang

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

多媒体 · 计算机科学 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

One of the main challenges in LiDAR-based 3D object detection is that the sensors often fail to capture the complete spatial information about the objects due to long distance and occlusion. Two-stage detectors with point cloud completion…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Inyong Koo , Inyoung Lee , Se-Ho Kim , Hee-Seon Kim , Woo-jin Jeon , Changick Kim

Point normal, as an intrinsic geometric property of 3D objects, not only serves conventional geometric tasks such as surface consolidation and reconstruction, but also facilitates cutting-edge learning-based techniques for shape analysis…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Haoran Zhou , Honghua Chen , Yingkui Zhang , Mingqiang Wei , Haoran Xie , Jun Wang , Tong Lu , Jing Qin , Xiao-Ping Zhang

Despite the progress on 3D point cloud deep learning, most prior works focus on learning features that are invariant to translation and point permutation, and very limited efforts have been devoted for rotation invariant property. Several…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Zhiyuan Zhang , Licheng Yang , Zhiyu Xiang

In this paper, we present a novel method of no-reference image quality assessment (NR-IQA), which is to predict the perceptual quality score of a given image without using any reference image. The proposed method harnesses three functions…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Diqi Chen , Yizhou Wang , Tianfu Wu , Wen Gao

In recent years, deep learning-based point cloud normal estimation has made great progress. However, existing methods mainly rely on the PCPNet dataset, leading to overfitting. In addition, the correlation between point clouds with…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Wei Jin , Jun Zhou , Nannan Li , Haba Madeline , Xiuping Liu

While existing video and image quality datasets have extensively studied natural videos and traditional distortions, the perception of synthetic content and modern rendering artifacts remains underexplored. We present a novel video quality…

图形学 · 计算机科学 2025-06-16 Akshay Jindal , Nabil Sadaka , Manu Mathew Thomas , Anton Sochenov , Anton Kaplanyan

Document image quality assessment (DIQA) is an important component for various applications, including optical character recognition (OCR), document restoration, and the evaluation of document image processing systems. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Zhichao Ma , Fan Huang , Lu Zhao , Fengjun Guo , Guangtao Zhai , Xiongkuo Min

Face recognition has made significant progress in recent years due to deep convolutional neural networks (CNN). In many face recognition (FR) scenarios, face images are acquired from a sequence with huge intra-variations. These…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Baoyun Peng , Min Liu , Zhaoning Zhang , Kai Xu , Dongsheng Li

The task of point cloud upsampling aims to acquire dense and uniform point sets from sparse and irregular point sets. Although significant progress has been made with deep learning models, state-of-the-art methods require ground-truth dense…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Xinhai Liu , Xinchen Liu , Yu-Shen Liu , Zhizhong Han

Point cloud completion referring to completing 3D shapes from partial 3D point clouds is a fundamental problem for 3D point cloud analysis tasks. Benefiting from the development of deep neural networks, researches on point cloud completion…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Jun Wang , Ying Cui , Dongyan Guo , Junxia Li , Qingshan Liu , Chunhua Shen