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Due to the success of the bag-of-word modeling paradigm, clustering histograms has become an important ingredient of modern information processing. Clustering histograms can be performed using the celebrated $k$-means centroid-based…

Information Theory · Computer Science 2014-01-23 Frank Nielsen

Accurate automatic medical image segmentation relies on high-quality, dense annotations, which are costly and time-consuming. Weakly supervised learning provides a more efficient alternative by leveraging sparse and coarse annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Dongdong Meng , Sheng Li , Hao Wu , Suqing Tian , Wenjun Ma , Guoping Wang , Xueqing Yan

Nonnegative Matrix Factorization (NMF) with Kullback-Leibler Divergence (NMF-KL) is one of the most significant NMF problems and equivalent to Probabilistic Latent Semantic Indexing (PLSI), which has been successfully applied in many…

Optimization and Control · Mathematics 2016-04-15 Duy Khuong Nguyen , Tu Bao Ho

Accuracy and efficiency are two key problems in large scale incremental Structure from Motion (SfM). In this paper, we propose a unified framework to divide the image set into clusters suitable for reconstruction as well as find multiple…

Computer Vision and Pattern Recognition · Computer Science 2016-12-22 Kun Sun , Wenbing Tao

The capability of a novel Kullback-Leibler divergence method is examined herein within the Kalman filter framework to select the input-parameter-state estimation execution with the most plausible results. This identification suffers from…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Marios Impraimakis

Automatic lung organ segmentation on CT images is crucial for lung disease diagnosis. However, the unlimited voxel values and class imbalance of lung organs can lead to false-negative/positive and leakage issues in advanced methods.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Sheng Zhang , Yang Nan , Yingying Fang , Shiyi Wang , Xiaodan Xing , Zhifan Gao , Guang Yang

Segmentation of organs of interest in medical CT images is beneficial for diagnosis of diseases. Though recent methods based on Fully Convolutional Neural Networks (F-CNNs) have shown success in many segmentation tasks, fusing features from…

Artificial Intelligence · Computer Science 2024-05-10 Yanli Yuan , Bingbing Wang , Chuan Zhang , Jingyi Xu , Ximeng Liu , Liehuang Zhu

Deployment of machine learning algorithms into real-world practice is still a difficult task. One of the challenges lies in the unpredictable variability of input data, which may differ significantly among individual users, institutions,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Roman Stoklasa

Clustering functional data is a challenging task due to intrinsic infinite-dimensionality and the need for stable, data-adaptive partitioning. In this work, we propose a clustering framework based on Random Projections, which simultaneously…

Methodology · Statistics 2025-12-18 Matteo Mori , Laura Anderlucci

Diffusion models have achieved promising results in image restoration tasks, yet suffer from time-consuming, excessive computational resource consumption, and unstable restoration. To address these issues, we propose a robust and efficient…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Hai Jiang , Ao Luo , Songchen Han , Haoqiang Fan , Shuaicheng Liu

We present in this paper an image segmentation approach that combines a fuzzy semantic region classification and a context based region-growing. Input image is first over-segmented. Then, prior domain knowledge is used to perform a fuzzy…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Mahaman Sani Chaibou , Karim Kalti , Bassel Soulaiman , Mohamed Ali Mahjoub

Federated learning and its application to medical image segmentation have recently become a popular research topic. This training paradigm suffers from statistical heterogeneity between participating institutions' local datasets, incurring…

Image and Video Processing · Electrical Eng. & Systems 2023-10-19 Matthis Manthe , Stefan Duffner , Carole Lartizien

As a well-known clustering algorithm, Fuzzy C-Means (FCM) allows each input sample to belong to more than one cluster, providing more flexibility than non-fuzzy clustering methods. However, the accuracy of FCM is subject to false detections…

Artificial Intelligence · Computer Science 2017-05-31 Meysam Ghaffari , Nasser Ghadiri

This paper proposes a variational Bayesian (VB) detector for affine frequency division multiplexing (AFDM) systems. The proposed method estimates the symbol probability distribution by minimizing the Kullback-Leibler (KL) divergence between…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Can Zheng , Chung G. Kang

Video semantic segmentation is active in recent years benefited from the great progress of image semantic segmentation. For such a task, the per-frame image segmentation is generally unacceptable in practice due to high computation cost. To…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Jiafan Zhuang , Zilei Wang , Bingke Wang

We propose a greedy mixture reduction algorithm which is capable of pruning mixture components as well as merging them based on the Kullback-Leibler divergence (KLD). The algorithm is distinct from the well-known Runnalls' KLD based method…

Machine Learning · Statistics 2015-08-25 Tohid Ardeshiri , Umut Orguner , Emre Özkan

We extend the standard rough set-based approach to deal with huge amounts of numeric attributes versus small amount of available objects. Here, a novel approach of clustering along with dimensionality reduction; Hybrid Fuzzy C Means-Quick…

Computational Engineering, Finance, and Science · Computer Science 2013-06-11 E. N. Sathishkumar , K. Thangavel , T. Chandrasekhar

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

Image segmentation is a concept that is often used for object detection. This detection has difficulty detecting objects with backgrounds that have many colors and even have a color similar to the object being detected. This study aims to…

Image and Video Processing · Electrical Eng. & Systems 2021-05-26 Shoffan Saifullah , Andiko Putro Suryotomo , Bambang Yuwono

Persistence diagrams concisely represent the topology of a point cloud whilst having strong theoretical guarantees, but the question of how to best integrate this information into machine learning workflows remains open. In this paper we…

Machine Learning · Computer Science 2021-02-16 Thomas Davies , Jack Aspinall , Bryan Wilder , Long Tran-Thanh
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