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Related papers: Co-occurrence Filter

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Quantum Optical Coherence Tomography (Q-OCT) is the non-classical counterpart of Optical Coherence Tomography (OCT) - a high-resolution 3D imaging technique based on white-light interferometry. Because Q-OCT uses a source of…

Our paper introduces a novel two-stage self-supervised approach for detecting co-occurring salient objects (CoSOD) in image groups without requiring segmentation annotations. Unlike existing unsupervised methods that rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Souradeep Chakraborty , Dimitris Samaras

Depth of Field (DoF) in games is usually achieved as a post-process effect by blurring pixels in the sharp rasterized image based on the defined focus plane. This paper describes a novel real-time DoF technique that uses ray tracing with…

Graphics · Computer Science 2022-10-12 Yu Wei Tan , Nicholas Chua , Nathan Biette , Anand Bhojan

Weakly supervised semantic segmentation (WSSS) with image-level labels aims to achieve segmentation tasks without dense annotations. However, attributed to the frequent coupling of co-occurring objects and the limited supervision from…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Zhiwei Yang , Kexue Fu , Minghong Duan , Linhao Qu , Shuo Wang , Zhijian Song

Optimal Bayesian feature filtering (OBF) is a supervised screening method designed for biomarker discovery. In this article, we prove two major theoretical properties of OBF. First, optimal Bayesian feature selection under a general family…

Machine Learning · Statistics 2019-09-10 Ali Foroughi pour , Lori A. Dalton

Hyperspectral unmixing aims at identifying a set of elementary spectra and the corresponding mixture coefficients for each pixel of an image. As the elementary spectra correspond to the reflectance spectra of real materials, they are often…

Computer Vision and Pattern Recognition · Computer Science 2020-02-17 Adrien Lagrange , Mathieu Fauvel , Stéphane May , Nicolas Dobigeon

Collaborative filtering (CF) is a powerful recommender system that generates a list of recommended items for an active user based on the ratings of similar users. This paper presents a novel approach to CF by first finding the set of users…

Information Retrieval · Computer Science 2017-03-06 Doaa M. Shawky

Background initialization is an important step in many high-level applications of video processing,ranging from video surveillance to video inpainting.However,this process is often affected by practical challenges such as illumination…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Wenjun Zhou , Yuheng Deng , Bo Peng , Dong Liang , Shun'ichi Kaneko

This paper is concerned with the problem of continuous-time nonlinear filtering for stochastic processes on a compact and connected matrix Lie group without boundary, e.g. SO(n) and SE(n), in the presence of real-valued observations. This…

Optimization and Control · Mathematics 2015-10-06 Chi Zhang , Amirhossein Taghvaei , Prashant G. Mehta

Object tracking is an essential problem in computer vision that has been researched for several decades. One of the main challenges in tracking is to adapt to object appearance changes over time and avoiding drifting to background clutter.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Elena Burceanu , Marius Leordeanu

Despite the superior performance of CNN, deploying them on low computational power devices is still limited as they are typically computationally expensive. One key cause of the high complexity is the connection between the convolution…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

Texture classification is one of the problems which has been paid much attention on by computer scientists since late 90s. If texture classification is done correctly and accurately, it can be used in many cases such as Pattern recognition,…

Computer Vision and Pattern Recognition · Computer Science 2012-03-23 Shervan Fekri Ershad

We describe CFW, a computationally efficient algorithm for collaborative filtering that uses posteriors over weights of evidence. In experiments on real data, we show that this method predicts as well or better than other methods in…

Information Retrieval · Computer Science 2015-05-19 Carl Kadie , Christopher Meek , David Heckerman

Color and intensity are two important components in an image. Usually, groups of image pixels, which are similar in color or intensity, are an informative representation for an object. They are therefore particularly suitable for computer…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Guanjun Guo , Hanzi Wang , Wan-Lei Zhao , Yan Yan , Xuelong Li

Item-based collaborative filtering (ICF) has been widely used in industrial applications such as recommender system and online advertising. It models users' preference on target items by the items they have interacted with. Recent models…

Information Retrieval · Computer Science 2021-04-27 Yinjiang Cai , Zeyu Cui , Shu Wu , Zhen Lei , Xibo Ma

State-of-the-art (SoTA) models have improved the accuracy of object detection with a large margin via a FP (feature pyramid). FP is a top-down aggregation to collect semantically strong features to improve scale invariance in both two-stage…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Ping-Yang Chen , Jun-Wei Hsieh , Chien-Yao Wang , Hong-Yuan Mark Liao , Munkhjargal Gochoo

Texture segmentation is the process of partitioning an image into regions with different textures containing a similar group of pixels. Detecting the discontinuity of the filter's output and their statistical properties help in segmenting…

Computer Vision and Pattern Recognition · Computer Science 2014-05-09 M. Rajalakshmi , Dr. P. Subashini

Transferring visual style between images while preserving semantic correspondence between similar objects remains a central challenge in computer vision. While existing methods have made great strides, most of them operate at global level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Wenbo Nie , Zixiang Li , Renshuai Tao , Bin Wu , Yunchao Wei , Yao Zhao

Edge-preserving filters play an essential role in some of the most basic tasks of computational photography, such as abstraction, tonemapping, detail enhancement and texture removal, to name a few. The abundance and diversity of smoothing…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Sarah Gingichashvili , Dani Lischinski

Collaborative Filtering (CF) is a pivotal research area in recommender systems that capitalizes on collaborative similarities between users and items to provide personalized recommendations. With the remarkable achievements of node…

Information Retrieval · Computer Science 2024-01-30 Yifang Qin , Wei Ju , Xiao Luo , Yiyang Gu , Zhiping Xiao , Ming Zhang