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Discrete Wavelet Transform (DWT) has been widely explored to enhance the performance of image superresolution (SR). Despite some DWT-based methods improving SR by capturing fine-grained frequency signals, most existing approaches neglect…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Peng Du , Hui Li , Han Xu , Paul Barom Jeon , Dongwook Lee , Daehyun Ji , Ran Yang , Feng Zhu

Although lane detection methods have shown impressive performance in real-world scenarios, most of methods require post-processing which is not robust enough. Therefore, end-to-end detectors like DEtection TRansformer(DETR) have been…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Kunyang Zhou , Rui Zhou

With the widespread use of mobile phones and scanners to photograph and upload documents, the need for extracting the information trapped in unstructured document images such as retail receipts, insurance claim forms and financial invoices…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Shubham Paliwal , Vishwanath D , Rohit Rahul , Monika Sharma , Lovekesh Vig

Multimodal transformer exhibits high capacity and flexibility to align image and text for visual grounding. However, the existing encoder-only grounding framework (e.g., TransVG) suffers from heavy computation due to the self-attention…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Fengyuan Shi , Ruopeng Gao , Weilin Huang , Limin Wang

Classical Transformer-based line segment detection methods have delivered impressive results. However, we observe that some accurately detected line segments are assigned low confidence scores during prediction, causing them to be ranked…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Xin Tong , Shi Peng , Baojie Tian , Yufei Guo , Xuhui Huang , Zhe Ma

DETR-based methods, which use multi-layer transformer decoders to refine object queries iteratively, have shown promising performance in 3D indoor object detection. However, the scene point features in the transformer decoder remain fixed,…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Chuxin Wang , Wenfei Yang , Xiang Liu , Tianzhu Zhang

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

Accurate detection of ultrasound nodules is essential for the early diagnosis and treatment of thyroid and breast cancers. However, this task remains challenging due to irregular nodule shapes, indistinct boundaries, substantial scale…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Jingjing Wang , Zhuo Xiao , Xinning Yao , Bo Liu , Lijuan Niu , Xiangzhi Bai , Fugen Zhou

3D perception tasks, such as 3D object detection and Bird's-Eye-View (BEV) segmentation using multi-camera images, have drawn significant attention recently. Despite the fact that accurately estimating both semantic and 3D scene layouts are…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Qi Song , Qingyong Hu , Chi Zhang , Yongquan Chen , Rui Huang

In this work, we propose a novel deep network for traffic sign classification that achieves outstanding performance on GTSRB surpassing all previous methods. Our deep network consists of spatial transformer layers and a modified version of…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Mrinal Haloi

Recently, Dense Retrieval (DR) has become a promising solution to document retrieval, where document representations are used to perform effective and efficient semantic search. However, DR remains challenging on long documents, due to the…

信息检索 · 计算机科学 2022-11-22 Junying Chen , Qingcai Chen , Dongfang Li , Yutao Huang

Convolutional Neural Networks (CNN) have dominated the field of detection ever since the success of AlexNet in ImageNet classification [12]. With the sweeping reform of Transformers [27] in natural language processing, Carion et al. [2]…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Chi Zhang , Lijuan Liu , Xiaoxue Zang , Frederick Liu , Hao Zhang , Xinying Song , Jindong Chen

Accurate segmentation of tubular structures in medical images, such as vessels and airway trees, is crucial for computer-aided diagnosis, radiotherapy, and surgical planning. However, significant challenges exist in algorithm design when…

图像与视频处理 · 电气工程与系统科学 2025-04-11 Yi Huang , Ke Zhang , Wei Liu , Yuanyuan Wang , Vishal M. Patel , Le Lu , Xu Han , Dakai Jin , Ke Yan

Large language models often struggle with complex long-horizon analytical tasks over unstructured tables, which typically feature hierarchical and bidirectional headers and non-canonical layouts. We formalize this challenge as Deep Tabular…

人工智能 · 计算机科学 2026-03-13 Junnan Dong , Chuang Zhou , Zheng Yuan , Yifei Yu , Qiufeng Wang , Yinghui Li , Siyu An , Di Yin , Xing Sun , Feiyue Huang

Diagnosis-oriented dialogue system queries the patient's health condition and makes predictions about possible diseases through continuous interaction with the patient. A few studies use reinforcement learning (RL) to learn the optimal…

计算与语言 · 计算机科学 2022-12-27 Wei Chen , Cheng Zhong , Jiajie Peng , Zhongyu Wei

Obstacle detection and tracking represent a critical component in robot autonomous navigation. In this paper, we propose ODTFormer, a Transformer-based model to address both obstacle detection and tracking problems. For the detection task,…

机器人学 · 计算机科学 2024-10-28 Tianye Ding , Hongyu Li , Huaizu Jiang

Fine-grained remote sensing datasets often use hierarchical label structures to differentiate objects in a coarse-to-fine manner, with each object annotated across multiple levels. However, embedding this semantic hierarchy into the…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Jingzhou Chen , Dexin Chen , Fengchao Xiong , Yuntao Qian , Liang Xiao

Accurate segmentation of retinal vessels is a basic step in Diabetic retinopathy(DR) detection. Most methods based on deep convolutional neural network (DCNN) have small receptive fields, and hence they are unable to capture global context…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Yun Jiang , Ning Tan , Tingting Peng , Hai Zhang

Fraud detection remains a challenging task due to the complex and deceptive nature of fraudulent activities. Current approaches primarily concentrate on learning only one perspective of the graph: either the topological structure of the…

机器学习 · 计算机科学 2025-02-12 Haolin Li , Shuyang Jiang , Lifeng Zhang , Siyuan Du , Guangnan Ye , Hongfeng Chai

Declarative process modeling formalisms - which capture high-level process constraints - have seen growing interest, especially for modeling flexible processes. This paper presents DisCoveR, an extremely efficient and accurate declarative…

机器学习 · 计算机科学 2020-05-21 Christoffer Olling Back , Tijs Slaats , Thomas Troels Hildebrandt , Morten Marquard