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Surgical scene segmentation is crucial for robot-assisted laparoscopic surgery understanding. Current approaches face two challenges: (i) static image limitations including ambiguous local feature similarities and fine-grained structural…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Cheng Yuan , Yutong Ban

This paper introduces a simple but highly efficient ensemble for robust texture classification, which can effectively deal with translation, scale and changes of significant viewpoint problems. The proposed method first inherits the spirit…

计算机视觉与模式识别 · 计算机科学 2012-03-06 Shu Kong , Donghui Wang

Colonoscopy is considered the gold standard for detection of colorectal cancer and its precursors. Existing examination methods are, however, hampered by high overall miss-rate, and many abnormalities are left undetected. Computer-Aided…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Debesh Jha , Pia H. Smedsrud , Dag Johansen , Thomas de Lange , Håvard D. Johansen , Pål Halvorsen , Michael A. Riegler

Video frame interpolation (VFI) aims to improve the temporal resolution of a video sequence. Most of the existing deep learning based VFI methods adopt off-the-shelf optical flow algorithms to estimate the bidirectional flows and…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Tao Yang , Peiran Ren , Xuansong Xie , Xiansheng Hua , Lei Zhang

Precise Event Spotting (PES) in sports videos requires frame-level recognition of fine-grained actions from single-camera footage. Existing PES models typically incorporate lightweight temporal modules such as the Gate Shift Module (GSM) or…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Hao Xu , Xinyu Wei , Sam Wells , Sunil Aryal

Supervised fine-tuning (SFT) of foundation models often leads to poor generalization, where prior capabilities deteriorate after tuning on new tasks or domains. Inspired by trust-region policy optimization (TRPO) and proximal policy…

机器学习 · 计算机科学 2026-04-14 Wenhong Zhu , Ruobing Xie , Rui Wang , Xingwu Sun , Di Wang , Pengfei Liu

Pre-training on image-text colonoscopy records offers substantial potential for improving endoscopic image analysis, but faces challenges including non-informative background images, complex medical terminology, and ambiguous multi-lesion…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Yili He , Yan Zhu , Peiyao Fu , Ruijie Yang , Tianyi Chen , Zhihua Wang , Quanlin Li , Pinghong Zhou , Xian Yang , Shuo Wang

Colonoscopy is an effective technique for detecting colorectal polyps, which are highly related to colorectal cancer. In clinical practice, segmenting polyps from colonoscopy images is of great importance since it provides valuable…

图像与视频处理 · 电气工程与系统科学 2020-07-06 Deng-Ping Fan , Ge-Peng Ji , Tao Zhou , Geng Chen , Huazhu Fu , Jianbing Shen , Ling Shao

Detecting small moving targets accurately in infrared (IR) image sequences is a significant challenge. To address this problem, we propose a novel method called spatial-temporal local feature difference (STLFD) with adaptive background…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yongkang Zhao , Chuang Zhu , Yuan Li , Shuaishuai Wang , Zihan Lan , Yuanyuan Qiao

Remote sensing (RS) images are important to monitor and survey earth at varying spatial scales. Continuous observations from various RS sources complement single observations to improve applications. Fusion into single or multiple images…

图像与视频处理 · 电气工程与系统科学 2024-04-30 Hessah Albanwan

The analysis of multi-modality positron emission tomography and computed tomography (PET-CT) images for computer aided diagnosis applications requires combining the sensitivity of PET to detect abnormal regions with anatomical localization…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Ashnil Kumar , Michael Fulham , Dagan Feng , Jinman Kim

Multiple object tracking (MOT) in Unmanned Aerial Vehicle (UAV) videos is important for diverse applications in computer vision. Current MOT trackers rely on accurate object detection results and precise matching of target reidentification…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Jianbo Ma , Chuanming Tang , Fei Wu , Can Zhao , Jianlin Zhang , Zhiyong Xu

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He

Spatial Transcriptomics (ST) profiles thousands of gene expression values at discrete spots with precise coordinates on tissue sections, preserving spatial context essential for clinical and pathological studies. With rising sequencing…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yishun Zhu , Jiaxin Qi , Jian Wang , Yuhua Zheng , Jianqiang Huang

Motion information from 4D medical imaging offers critical insights into dynamic changes in patient anatomy for clinical assessments and radiotherapy planning and, thereby, enhances the capabilities of 3D image analysis. However, inherent…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Xia Li , Runzhao Yang , Xiangtai Li , Antony Lomax , Ye Zhang , Joachim Buhmann

Predicting future frames of a video is challenging because it is difficult to learn the uncertainty of the underlying factors influencing their contents. In this paper, we propose a novel video prediction model, which has…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Xi Ye , Guillaume-Alexandre Bilodeau

Automated colonic polyp segmentation is crucial for assisting doctors in screening of precancerous polyps and diagnosis of colorectal neoplasms. Although existing methods have achieved promising results, polyp segmentation remains hindered…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Feng Jiang , Zongfei Zhang , Xin Xu

In image fusion, images obtained from different sensors are fused to generate a single image with enhanced information. In recent years, state-of-the-art methods have adopted Convolution Neural Networks (CNNs) to encode meaningful features…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Vibashan VS , Jeya Maria Jose Valanarasu , Poojan Oza , Vishal M. Patel

Spatial transcriptomics (ST) has emerged as a powerful technology for bridging histology imaging with gene expression profiling. However, its application has been limited by low throughput and the need for specialized experimental…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Tinglin Huang , Tianyu Liu , Mehrtash Babadi , Wengong Jin , Rex Ying

Precise polyp segmentation is vital for the early diagnosis and prevention of colorectal cancer (CRC) in clinical practice. However, due to scale variation and blurry polyp boundaries, it is still a challenging task to achieve satisfactory…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Tao Zhou , Yizhe Zhang , Geng Chen , Yi Zhou , Ye Wu , Deng-Ping Fan