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In material science, image segmentation is of great significance for quantitative analysis of microstructures. Here, we propose a novel Weighted Propagation Convolution Neural Network based on U-Net (WPU-Net) to detect boundary in…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Wei Liu , Jiahao Chen , Chuni Liu , Xiaojuan Ban , Boyuan Ma , Hao Wang , Weihua Xue , Yu Guo

Frame semantics-based approaches have been widely used in semantic parsing tasks and have become mainstream. It remains challenging to disambiguate frame representations evoked by target lexical units under different contexts. Pre-trained…

计算与语言 · 计算机科学 2023-03-28 Rui Zhang , Yajing Sun , Jingyuan Yang , Wei Peng

Prompt-learning has become a new paradigm in modern natural language processing, which directly adapts pre-trained language models (PLMs) to $cloze$-style prediction, autoregressive modeling, or sequence to sequence generation, resulting in…

计算与语言 · 计算机科学 2021-11-04 Ning Ding , Shengding Hu , Weilin Zhao , Yulin Chen , Zhiyuan Liu , Hai-Tao Zheng , Maosong Sun

Structured pruning compresses neural networks by reducing channels (filters) for fast inference and low footprint at run-time. To restore accuracy after pruning, fine-tuning is usually applied to pruned networks. However, too few remaining…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Yu Qian , Jian Cao , Xiaoshuang Li , Jie Zhang , Hufei Li , Jue Chen

Simultaneous localization and mapping (SLAM) remains challenging for a number of downstream applications, such as visual robot navigation, because of rapid turns, featureless walls, and poor camera quality. We introduce the Differentiable…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Peter Karkus , Shaojun Cai , David Hsu

Unlike on images, semantic learning on 3D point clouds using a deep network is challenging due to the naturally unordered data structure. Among existing works, PointNet has achieved promising results by directly learning on point sets.…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Yiru Shen , Chen Feng , Yaoqing Yang , Dong Tian

The key to successful grounding for video surveillance is to understand a semantic phrase corresponding to important actors and objects. Conventional methods ignore comprehensive contexts for the phrase or require heavy computation for…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Sunoh Kim , Kimin Yun , Jin Young Choi

We propose a novel neural network module that transforms an existing single-frame semantic segmentation model into a video semantic segmentation pipeline. In contrast to prior works, we strive towards a simple, fast, and general module that…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Matthieu Paul , Martin Danelljan , Luc Van Gool , Radu Timofte

Line clouds, though under-investigated in the previous work, potentially encode more compact structural information of buildings than point clouds extracted from multi-view images. In this work, we propose the first network to process line…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Yicheng Luo , Jing Ren , Xuefei Zhe , Di Kang , Yajing Xu , Peter Wonka , Linchao Bao

We present a monocular object parsing framework for consistent keypoint localization by capturing temporal correlation on sequential data. In this paper, we propose a novel recurrent network based architecture to model long-range…

计算机视觉与模式识别 · 计算机科学 2019-10-03 Ayush Gaud , Y V S Harish , K Madhava Krishna

2D image representations are in regular grids and can be processed efficiently, whereas 3D point clouds are unordered and scattered in 3D space. The information inside these two visual domains is well complementary, e.g., 2D images have…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Wenbo Hu , Hengshuang Zhao , Li Jiang , Jiaya Jia , Tien-Tsin Wong

The region-based Convolutional Neural Network (CNN) detectors such as Faster R-CNN or R-FCN have already shown promising results for object detection by combining the region proposal subnetwork and the classification subnetwork together.…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Yousong Zhu , Chaoyang Zhao , Jinqiao Wang , Xu Zhao , Yi Wu , Hanqing Lu

Lane segmentation is a challenging issue in autonomous driving system designing because lane marks show weak textural consistency due to occlusion or extreme illumination but strong geometric continuity in traffic images, from which general…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Haoyu Fang , Jing Zhu , Yi Fang

Lensless imaging stands out as a promising alternative to conventional lens-based systems, particularly in scenarios demanding ultracompact form factors and cost-effective architectures. However, such systems are fundamentally governed by…

图像与视频处理 · 电气工程与系统科学 2025-05-06 Jiesong Bai , Yuhao Yin , Yihang Dong , Xiaofeng Zhang , Chi-Man Pun , Xuhang Chen

Semantic grids are a useful representation of the environment around a robot. They can be used in autonomous vehicles to concisely represent the scene around the car, capturing vital information for downstream tasks like navigation or…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Manuel Alejandro Diaz-Zapata , Özgür Erkent , Christian Laugier , Jilles Dibangoye , David Sierra González

Heterogeneous Graph Prompt Learning (HGPL)has emerged as a promising paradigm for bridging the gap between the objectives of pre-training foundation models and their downstream applications in heterogeneous graph settings. However, existing…

机器学习 · 计算机科学 2026-05-18 Peiyuan Li , Yongqi Huang , Jitao Zhao , Dongxiao He , Di Jin , Weixiong Zhang

Deep convolutional neural networks (CNNs) have shown outstanding performance in the task of semantically segmenting images. Applying the same methods on 3D data still poses challenges due to the heavy memory requirements and the lack of…

计算机视觉与模式识别 · 计算机科学 2021-08-21 Radu Alexandru Rosu , Peer Schütt , Jan Quenzel , Sven Behnke

In the semantic segmentation of remote sensing images, acquiring complete ground objects is critical for achieving precise analysis. However, this task is severely hindered by two major challenges: high intra-class variance and high…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Junyi Wang , Jinjiang Li , Guodong Fan , Yakun Ju , Xiang Fang , Alex C. Kot

Segmentation of ultra-high resolution images is increasingly demanded, yet poses significant challenges for algorithm efficiency, in particular considering the (GPU) memory limits. Current approaches either downsample an ultra-high…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Wuyang Chen , Ziyu Jiang , Zhangyang Wang , Kexin Cui , Xiaoning Qian

We study the problem of extracting correspondences between a pair of point clouds for registration. For correspondence retrieval, existing works benefit from matching sparse keypoints detected from dense points but usually struggle to…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Hao Yu , Fu Li , Mahdi Saleh , Benjamin Busam , Slobodan Ilic