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While fine-tuning pre-trained networks has become a popular way to train image segmentation models, such backbone networks for image segmentation are frequently pre-trained using image classification source datasets, e.g., ImageNet. Though…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Xuhong Li , Haoyi Xiong , Yi Liu , Dingfu Zhou , Zeyu Chen , Yaqing Wang , Dejing Dou

This paper establishes an approximation theorem for randomized neural networks (RaNNs) whose hidden-layer parameters are uniformly sampled from a prescribed bounded domain. Our analysis shows that, for RaNNs of the form $\mathop{\sum}_i W_i…

数值分析 · 数学 2026-04-13 Ran Bi , Weibing Deng

Semantic segmentation is an important component in the perception systems of autonomous vehicles. In this work, we adopt recent advances in both image and point cloud segmentation to achieve a better accuracy in the task of segmenting LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Deyvid Kochanov , Fatemeh Karimi Nejadasl , Olaf Booij

Class imbalance poses a challenge for developing unbiased, accurate predictive models. In particular, in image segmentation neural networks may overfit to the foreground samples from small structures, which are often heavily…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Zeju Li , Konstantinos Kamnitsas , Ben Glocker

Convolutional neural networks (CNNs) show outstanding performance in many image processing problems, such as image recognition, object detection and image segmentation. Semantic segmentation is a very challenging task that requires…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Fan Jia , Jun Liu , Xue-cheng Tai

The accurate segmentation of multiple types of lesions from adjacent tissues in medical images is significant in clinical practice. Convolutional neural networks (CNNs) based on the coarse-to-fine strategy have been widely used in this…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Xiangyu Zhao , Peng Zhang , Fan Song , Chenbin Ma , Guangda Fan , Yangyang Sun , Youdan Feng , Guanglei Zhang

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

We introduce Patch Refinement a two-stage model for accurate 3D object detection and localization from point cloud data. Patch Refinement is composed of two independently trained Voxelnet-based networks, a Region Proposal Network (RPN) and…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Johannes Lehner , Andreas Mitterecker , Thomas Adler , Markus Hofmarcher , Bernhard Nessler , Sepp Hochreiter

Mitigating bias in machine learning models is a critical endeavor for ensuring fairness and equity. In this paper, we propose a novel approach to address bias by leveraging pixel image attributions to identify and regularize regions of…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Sander De Coninck , Sam Leroux , Pieter Simoens

Semi-supervised semantic segmentation aims to learn from a small amount of labeled data and plenty of unlabeled ones for the segmentation task. The most common approach is to generate pseudo-labels for unlabeled images to augment the…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Rui Chen , Tao Chen , Qiong Wang , Yazhou Yao

Image restoration remains a challenging task in image processing. Numerous methods tackle this problem, often solved by minimizing a non-smooth penalized co-log-likelihood function. Although the solution is easily interpretable with…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Mingyuan Jiu , Nelly Pustelnik

The deficiency of segmentation labels is one of the main obstacles to semantic segmentation in the wild. To alleviate this issue, we present a novel framework that generates segmentation labels of images given their image-level class…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Jiwoon Ahn , Suha Kwak

In recent years, deep convolutional neural network-based segmentation methods have achieved state-of-the-art performance for many medical analysis tasks. However, most of these approaches rely on optimizing the U-Net structure or adding new…

图像与视频处理 · 电气工程与系统科学 2025-09-15 Kunpeng Mao , Ruoyu Li , Junlong Cheng , Danmei Huang , Zhiping Song , ZeKui Liu

In this paper, we propose an automatic brain tumor segmentation approach (e.g., PixelNet) using a pixel-level convolutional neural network (CNN). The model extracts feature from multiple convolutional layers and concatenate them to form a…

图像与视频处理 · 电气工程与系统科学 2022-04-26 Mobarakol Islam , Hongliang Ren

Precise boundary segmentation of volumetric images is a critical task for image-guided diagnosis and computer-assisted intervention, especially for boundary confusion in clinical practice. However, U-shape networks cannot effectively…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Xin You , Ming Ding , Minghui Zhang , Hanxiao Zhang , Yi Yu , Jie Yang , Yun Gu

Despite the significant success of deep learning in computer vision tasks, cross-domain tasks still present a challenge in which the model's performance will degrade when the training set and the test set follow different distributions.…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Lei Qi , Dongjia Zhao , Yinghuan Shi , Xin Geng

Semantic segmentation with fine-grained pixel-level accuracy is a fundamental component of a variety of computer vision applications. However, despite the large improvements provided by recent advances in the architectures of convolutional…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Philipe A. Dias , Henry Medeiros

Parameter fine tuning is a transfer learning approach whereby learned parameters from pre-trained source network are transferred to the target network followed by fine-tuning. Prior research has shown that this approach is capable of…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Tasfia Shermin , Shyh Wei Teng , Manzur Murshed , Guojun Lu , Ferdous Sohel , Manoranjan Paul

Aerial image segmentation is the basis for applications such as automatically creating maps or tracking deforestation. In true orthophotos, which are often used in these applications, many objects and regions can be approximated well by…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Daniel Gritzner , Jörn Ostermann

We explore design principles for general pixel-level prediction problems, from low-level edge detection to mid-level surface normal estimation to high-level semantic segmentation. Convolutional predictors, such as the fully-convolutional…

计算机视觉与模式识别 · 计算机科学 2017-02-27 Aayush Bansal , Xinlei Chen , Bryan Russell , Abhinav Gupta , Deva Ramanan