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Semantic segmentation has achieved remarkable results with high computational cost and a large number of parameters. However, real-world applications require efficient inference speed on embedded devices. Most previous works address the…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Xinneng Yang , Yan Wu , Junqiao Zhao , Feilin Liu

Diffusion Probabilistic Models (DPMs) have demonstrated significant potential in 3D medical image segmentation tasks. However, their high computational cost and inability to fully capture global 3D contextual information limit their…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Kangbo Ma

Semantic segmentation tasks can be well modeled by Markov Random Field (MRF). This paper addresses semantic segmentation by incorporating high-order relations and mixture of label contexts into MRF. Unlike previous works that optimized MRFs…

计算机视觉与模式识别 · 计算机科学 2017-08-09 Ziwei Liu , Xiaoxiao Li , Ping Luo , Chen Change Loy , Xiaoou Tang

Most existing methods of semantic segmentation still suffer from two aspects of challenges: intra-class inconsistency and inter-class indistinction. To tackle these two problems, we propose a Discriminative Feature Network (DFN), which…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Changqian Yu , Jingbo Wang , Chao Peng , Changxin Gao , Gang Yu , Nong Sang

Denoising Diffusion Probabilistic Models (DDPMs) have garnered popularity for data generation across various domains. However, a significant bottleneck is the necessity for whole-network computation during every step of the generative…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Shuai Yang , Yukang Chen , Luozhou Wang , Shu Liu , Yingcong Chen

Diffusion models (DM) can gradually learn to remove noise, which have been widely used in artificial intelligence generated content (AIGC) in recent years. The property of DM for eliminating noise leads us to wonder whether DM can be…

信息论 · 计算机科学 2023-09-19 Tong Wu , Zhiyong Chen , Dazhi He , Liang Qian , Yin Xu , Meixia Tao , Wenjun Zhang

The fully convolutional network (FCN) has achieved tremendous success in dense visual recognition tasks, such as scene segmentation. The last layer of FCN is typically a global classifier (1x1 convolution) to recognize each pixel to a…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Changqian Yu , Yuanjie Shao , Changxin Gao , Nong Sang

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

This paper introduces an extremely efficient CNN architecture named DFANet for semantic segmentation under resource constraints. Our proposed network starts from a single lightweight backbone and aggregates discriminative features through…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Hanchao Li , Pengfei Xiong , Haoqiang Fan , Jian Sun

3D point cloud is an important 3D representation for capturing real world 3D objects. However, real-scanned 3D point clouds are often incomplete, and it is important to recover complete point clouds for downstream applications. Most…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Zhaoyang Lyu , Zhifeng Kong , Xudong Xu , Liang Pan , Dahua Lin

This paper presents GridNet, a new Convolutional Neural Network (CNN) architecture for semantic image segmentation (full scene labelling). Classical neural networks are implemented as one stream from the input to the output with subsampling…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Damien Fourure , Rémi Emonet , Elisa Fromont , Damien Muselet , Alain Tremeau , Christian Wolf

This paper addresses semantic image segmentation by incorporating rich information into Markov Random Field (MRF), including high-order relations and mixture of label contexts. Unlike previous works that optimized MRFs using iterative…

计算机视觉与模式识别 · 计算机科学 2015-09-25 Ziwei Liu , Xiaoxiao Li , Ping Luo , Chen Change Loy , Xiaoou Tang

This paper presents a Depthwise Disout Convolutional Neural Network (DD-CNN) for the detection and classification of urban acoustic scenes. Specifically, we use log-mel as feature representations of acoustic signals for the inputs of our…

声音 · 计算机科学 2020-07-28 Jingqiao Zhao , Zhen-Hua Feng , Qiuqiang Kong , Xiaoning Song , Xiao-Jun Wu

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

Scene-level point cloud self-supervised learning (PC-SSL) has demonstrated potential in enhancing the generalization capability of 3D vision models. Despite the advances in the field through existing methods, the sample-independent modeling…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Xinxing Yu , Ajian Liu , Sunyuan Qiang , Hui Ma , Liying Yang , Yuzhong Wang , Zhi Rao , Yanyan Liang

Diffusion probabilistic models (DPM) have been widely adopted in image-to-image translation to generate high-quality images. Prior attempts at applying the DPM to image super-resolution (SR) have shown that iteratively refining a pure…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Axi Niu , Kang Zhang , Trung X. Pham , Jinqiu Sun , Yu Zhu , In So Kweon , Yanning Zhang

3D Question Answering (3D QA) requires the model to comprehensively understand its situated 3D scene described by the text, then reason about its surrounding environment and answer a question under that situation. However, existing methods…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Jingzhou Luo , Yang Liu , Weixing Chen , Zhen Li , Yaowei Wang , Guanbin Li , Liang Lin

Recent advances on text-to-image generation have witnessed the rise of diffusion models which act as powerful generative models. Nevertheless, it is not trivial to exploit such latent variable models to capture the dependency among discrete…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Jianjie Luo , Yehao Li , Yingwei Pan , Ting Yao , Jianlin Feng , Hongyang Chao , Tao Mei

Recently, Fully Convolutional Network (FCN) seems to be the go-to architecture for image segmentation, including semantic scene parsing. However, it is difficult for a generic FCN to discriminate pixels around the object boundaries, thus…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Pingping Zhang , Wei Liu , Yinjie Lei , Hongyu Wang , Huchuan Lu

Deep learning (DL)-based methods have recently shown great promise in bitemporal change detection (CD). Existing discriminative methods based on Convolutional Neural Networks (CNNs) and Transformers rely on discriminative representation…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Yihan Wen , Xianping Ma , Xiaokang Zhang , Man-On Pun