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In the context of the highly increasing number of features that are available nowadays we design a robust and fast method for feature selection. The method tries to select the most representative features that are independent from each…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Alexandra Maria Radu

In this work, we propose a geometry-aware semi-supervised framework for fine-grained building function recognition, utilizing geometric relationships among multi-source data to enhance pseudo-label accuracy in semi-supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Weijia Li , Jinhua Yu , Dairong Chen , Yi Lin , Runmin Dong , Xiang Zhang , Conghui He , Haohuan Fu

Recently, the concept of unsupervised learning for superpixel segmentation via CNNs has been studied. Essentially, such methods generate superpixels by convolutional neural network (CNN) employed on a single image, and such CNNs are trained…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Moshe Eliasof , Nir Ben Zikri , Eran Treister

Bias field, which is caused by imperfect MR devices or imaged objects, introduces intensity inhomogeneity into MR images and degrades the performance of MR image analysis methods. Many retrospective algorithms were developed to facilitate…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Dong Liang , Xingyu Qiu , Kuanquan Wang , Gongning Luo , Wei Wang , Yashu Liu

Unsupervised video object segmentation aims to segment a target object in the video without a ground truth mask in the initial frame. This challenging task requires extracting features for the most salient common objects within a video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Minhyeok Lee , Suhwan Cho , Seunghoon Lee , Chaewon Park , Sangyoun Lee

While supervised object detection and segmentation methods achieve impressive accuracy, they generalize poorly to images whose appearance significantly differs from the data they have been trained on. To address this when annotating data is…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Isinsu Katircioglu , Helge Rhodin , Victor Constantin , Jörg Spörri , Mathieu Salzmann , Pascal Fua

Unsupervised semantic segmentation aims to discover and localize semantically meaningful categories within image corpora without any form of annotation. To solve this task, algorithms must produce features for every pixel that are both…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Mark Hamilton , Zhoutong Zhang , Bharath Hariharan , Noah Snavely , William T. Freeman

Cellular solids and micro-lattices are a class of lightweight architected materials that have been established for their unique mechanical, thermal, and acoustic properties. It has been shown that by tuning material architecture, a…

Materials Science · Physics 2024-03-12 Shengzhi Luan , Enze Chen , Joel John , Stavros Gaitanaros

Learning a medical image segmentation model is an inherently ambiguous task, as uncertainties exist in both images (noise) and manual annotations (human errors and bias) used for model training. To build a trustworthy image segmentation…

Image and Video Processing · Electrical Eng. & Systems 2023-08-17 Xinyu Bai , Wenjia Bai

Unsupervised semantic segmentation is a challenging task that segments images into semantic groups without manual annotation. Prior works have primarily focused on leveraging prior knowledge of semantic consistency or priori concepts from…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Mengcheng Lan , Xinjiang Wang , Yiping Ke , Jiaxing Xu , Litong Feng , Wayne Zhang

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

Generalization capabilities of learning-based medical image segmentation across domains are currently limited by the performance degradation caused by the domain shift, particularly for ultrasound (US) imaging. The quality of US images…

Image and Video Processing · Electrical Eng. & Systems 2024-02-07 Yuan Bi , Zhongliang Jiang , Ricarda Clarenbach , Reza Ghotbi , Angelos Karlas , Nassir Navab

In this work, we propose a new segmentation algorithm for images containing convex objects present in multiple shapes with a high degree of overlap. The proposed algorithm is carried out in two steps, first we identify the visible contours,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Kumar Abhinav , Jaideep Singh Chauhan , Debasis Sarkar

The lack of fine-grained 3D shape segmentation data is the main obstacle to developing learning-based 3D segmentation techniques. We propose an effective semi-supervised method for learning 3D segmentations from a few labeled 3D shapes and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Chun-Yu Sun , Yu-Qi Yang , Hao-Xiang Guo , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Segmentation is a prerequisite yet challenging task for medical image analysis. In this paper, we introduce a novel deeply supervised active learning approach for finger bones segmentation. The proposed architecture is fine-tuned in an…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Ziyuan Zhao , Xiaoyan Yang , Bharadwaj Veeravalli , Zeng Zeng

The nanoparticle size and distribution information in the SEM images of silicon crystals are generally counted by manual methods. The realization of automatic machine recognition is significant in materials science. This paper proposed a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Ruiling Xiao , Jiayang Niu

Microstructures of a material form the bridge linking processing conditions - which can be controlled, to the material property - which is the primary interest in engineering applications. Thus a critical task in material design is…

Image and Video Processing · Electrical Eng. & Systems 2019-10-08 Akshay Iyer , Biswadip Dey , Arindam Dasgupta , Wei Chen , Amit Chakraborty

Segmenting handwritten document images into regions with homogeneous patterns is an important pre-processing step for many document images analysis tasks. Hand-labeling data to train a deep learning model for layout analysis requires…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Ahmad Droby , Berat Kurar Barakat , Borak Madi , Reem Alaasam , Jihad El-Sana

We introduce a novel deep learning-based framework to interpret 3D urban scenes represented as textured meshes. Based on the observation that object boundaries typically align with the boundaries of planar regions, our framework achieves…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Weixiao Gao , Liangliang Nan , Bas Boom , Hugo Ledoux