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This research explores a novel paradigm for preserving topological segmentations in existing error-bounded lossy compressors. Today's lossy compressors rarely consider preserving topologies such as Morse-Smale complexes, and the…

分布式、并行与集群计算 · 计算机科学 2024-07-08 Yuxiao Li , Xin Liang , Bei Wang , Yongfeng Qiu , Lin Yan , Hanqi Guo

Accurate segmentation and measurement of lithography scanning electron microscope (SEM) images are crucial for ensuring precise process control, optimizing device performance, and advancing semiconductor manufacturing yield. Lithography…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Xinyu He , Botong Zhao , Bingbing Li , Shujing Lyu , Jiwei Shen , Yue Lu

Interactive segmentation aims to segment the specified target on the image with positive and negative clicks from users. Interactive ambiguity is a crucial issue in this field, which refers to the possibility of multiple compliant outcomes…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Zheng Lin , Nan Zhou , Chen-Xi Du , Deng-Ping Fan , Shi-Min Hu

The goal of interactive segmentation is to assist users in producing segmentation masks as fast and as accurately as possible. Interactions have to be simple and intuitive and the number of interactions required to produce a satisfactory…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Camille Dupont , Yanis Ouakrim , Quoc Cuong Pham

Medical image segmentation plays an irreplaceable role in computer-assisted diagnosis, treatment planning, and following-up. Collecting and annotating a large-scale dataset is crucial to training a powerful segmentation model, but producing…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Xiangde Luo , Minhao Hu , Wenjun Liao , Shuwei Zhai , Tao Song , Guotai Wang , Shaoting Zhang

Current artificial intelligence (AI) algorithms for short-axis cardiac magnetic resonance (CMR) segmentation achieve human performance for slices situated in the middle of the heart. However, an often-overlooked fact is that segmentation of…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Jorge Mariscal-Harana , Naomi Kifle , Reza Razavi , Andrew P. King , Bram Ruijsink , Esther Puyol-Antón

Mesh reconstruction of the cardiac anatomy from medical images is useful for shape and motion measurements and biophysics simulations to facilitate the assessment of cardiac function and health. However, 3D medical images are often acquired…

图像与视频处理 · 电气工程与系统科学 2024-10-22 Yihao Luo , Dario Sesia , Fanwen Wang , Yinzhe Wu , Wenhao Ding , Jiahao Huang , Fadong Shi , Anoop Shah , Amit Kaural , Jamil Mayet , Guang Yang , ChoonHwai Yap

Convolutional neural networks (CNNs) have recently proven their excellent ability to segment 2D cardiac ultrasound images. However, the majority of attempts to perform full-sequence segmentation of cardiac ultrasound videos either rely on…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Phi Nguyen Van , Hieu Pham Huy , Long Tran Quoc

Automated segmentation of human cardiac magnetic resonance datasets has been steadily improving during recent years. However, these methods are not directly applicable in preclinical context due to limited datasets and lower image…

图像与视频处理 · 电气工程与系统科学 2021-09-10 Daniel Fernandez-Llaneza , Andrea Gondova , Harris Vince , Arijit Patra , Magdalena Zurek , Peter Konings , Patrik Kagelid , Leif Hultin

The interactive segmentation task consists in the creation of object segmentation masks based on user interactions. The most common way to guide a model towards producing a correct segmentation consists in clicks on the object and…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Robin Schön , Julian Lorenz , Katja Ludwig , Rainer Lienhart

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori

A key challenge in fine-grained 3D-based interactive editing is the absence of an efficient representation that balances diverse modifications with high-quality view synthesis under a given memory constraint. While 3D meshes provide…

Modern medical image segmentation methods primarily use discrete representations in the form of rasterized masks to learn features and generate predictions. Although effective, this paradigm is spatially inflexible, scales poorly to…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Yejia Zhang , Pengfei Gu , Nishchal Sapkota , Danny Z. Chen

Segmenting internal structure from echocardiography is essential for the diagnosis and treatment of various heart diseases. Semi-supervised learning shows its ability in alleviating annotations scarcity. While existing semi-supervised…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Xiaoxiang Han , Yiman Liu , Jiang Shang , Qingli Li , Jiangang Chen , Menghan Hu , Qi Zhang , Yuqi Zhang , Yan Wang

One of the main obstacles to 3D semantic segmentation is the significant amount of endeavor required to generate expensive point-wise annotations for fully supervised training. To alleviate manual efforts, we propose GIDSeg, a novel…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Peng Yin , Lingyun Xu , Jianmin Ji , Sebastian Scherer , Howie Choset

This report describes the design, implementation, evaluation and original enhancements to the Live-Wire method for 2D and 3D image segmentation. Live-Wire 2D employs a semi-automatic paradigm; the user is asked to select a few boundary…

计算机视觉与模式识别 · 计算机科学 2013-06-17 Ognjen Arandjelovic

We present a novel method of integrating motion and appearance cues for foreground object segmentation in unconstrained videos. Unlike conventional methods encoding motion and appearance patterns individually, our method puts particular…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Chunchao Guo , Jianhuang Lai , Xiaohua Xie

In recent years, the rapid development of deep learning has brought great advancements to image and video segmentation methods based on neural networks. However, to unleash the full potential of such models, large numbers of high-quality…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Yuying Hao , Yi Liu , Yizhou Chen , Lin Han , Juncai Peng , Shiyu Tang , Guowei Chen , Zewu Wu , Zeyu Chen , Baohua Lai

Sparse coding and dictionary learning are popular techniques for linear inverse problems such as denoising or inpainting. However in many cases, the measurement process is nonlinear, for example for clipped, quantized or 1-bit measurements.…

信号处理 · 电气工程与系统科学 2020-01-08 Lucas Rencker , Francis Bach , Wenwu Wang , Mark D. Plumbley

We develop an operator splitting approach to solve diffeomorphic matching problems for sequences of surfaces in three-dimensional space. The goal is to smoothly match, at a very fast rate, finite sequences of observed 3D-snapshots extracted…

最优化与控制 · 数学 2022-07-12 Peng Zhang , Andreas Mang , Jiwen He , Robert Azencott , K. Carlos El-Tallawi , William A. Zoghbi