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Object proposal generation methods have been widely applied to many computer vision tasks. However, existing object proposal generation methods often suffer from the problems of motion blur, low contrast, deformation, etc., when they are…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Guanjun Guo , Hanzi Wang , Yan Yan , Hong-Yuan Mark Liao , Bo Li

Image segmentation is an important component of many image understanding systems. It aims to group pixels in a spatially and perceptually coherent manner. Typically, these algorithms have a collection of parameters that control the degree…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Marc Bosch , Christopher M. Gifford , Austin G. Dress , Clare W. Lau , Jeffrey G. Skibo , Gordon A. Christie

Deep Convolutional Neural Networks (CNNs) have demonstrated excellent performance in image classification, but still show room for improvement in object-detection tasks with many categories, in particular for cluttered scenes and occlusion.…

Computer Vision and Pattern Recognition · Computer Science 2015-03-24 Nikolaos Karianakis , Thomas J. Fuchs , Stefano Soatto

Almost all of the current top-performing object detection networks employ region proposals to guide the search for object instances. State-of-the-art region proposal methods usually need several thousand proposals to get high recall, thus…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Tao Kong , Anbang Yao , Yurong Chen , Fuchun Sun

In this work, we consider the problem of learning a hierarchical generative model of an object from a set of images which show examples of the object in the presence of variable background clutter. Existing approaches to this problem are…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Adam Kortylewski , Aleksander Wieczorek , Mario Wieser , Clemens Blumer , Sonali Parbhoo , Andreas Morel-Forster , Volker Roth , Thomas Vetter

Hierarchies allow feature sharing between objects at multiple levels of representation, can code exponential variability in a very compact way and enable fast inference. This makes them potentially suitable for learning and recognizing a…

Computer Vision and Pattern Recognition · Computer Science 2014-08-26 Sanja Fidler , Marko Boben , Ales Leonardis

One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

We study the problem of object detection over scanned images of scientific documents. We consider images that contain objects of varying aspect ratios and sizes and range from coarse elements such as tables and figures to fine elements such…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Ankur Goswami , Joshua McGrath , Shanan Peters , Theodoros Rekatsinas

Precise segmentation of objects is an important problem in tasks like class-agnostic object proposal generation or instance segmentation. Deep learning-based systems usually generate segmentations of objects based on coarse feature maps,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Christian Wilms , Simone Frintrop

We segment moving objects in videos by ranking spatio-temporal segment proposals according to "moving objectness": how likely they are to contain a moving object. In each video frame, we compute segment proposals using multiple…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Katerina Fragkiadaki , Pablo Arbelaez , Panna Felsen , Jitendra Malik

Multi-label image classification, which can be categorized into label-dependency and region-based methods, is a challenging problem due to the complex underlying object layouts. Although region-based methods are less likely to encounter…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Jiawei Zhan , Jun Liu , Wei Tang , Guannan Jiang , Xi Wang , Bin-Bin Gao , Tianliang Zhang , Wenlong Wu , Wei Zhang , Chengjie Wang , Yuan Xie

In recent years, the use of object proposal as a preprocessing step for target detection to improve computational efficiency has become an effective method. Good object proposal methods should have high object detection recall rate and low…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Jiang Chao , Liang Huawei , Wang Zhiling

We investigate crowdsourcing algorithms for finding the top-quality item within a large collection of objects with unknown intrinsic quality values. This is an important problem with many relevant applications, for example in networked…

Human-Computer Interaction · Computer Science 2017-10-03 Alessandro Nordio , Alberto Tarable , Emilio Leonardi , Marco Ajmone Marsan

Generative models typically sample outputs independently, and recent inference-time guidance and scaling algorithms focus on improving the quality of individual samples. However, in real-world applications, users are often presented with a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Gaurav Parmar , Or Patashnik , Daniil Ostashev , Kuan-Chieh Wang , Kfir Aberman , Srinivasa Narasimhan , Jun-Yan Zhu

The purpose of this study is to introduce a new approach to feature ranking for classification tasks, called in what follows greedy feature selection. In statistical learning, feature selection is usually realized by means of methods that…

Machine Learning · Statistics 2024-03-11 Fabiana Camattari , Sabrina Guastavino , Francesco Marchetti , Michele Piana , Emma Perracchione

Multiobjective feature selection seeks to determine the most discriminative feature subset by simultaneously optimizing two conflicting objectives: minimizing the number of selected features and the classification error rate. The goal is to…

Neural and Evolutionary Computing · Computer Science 2025-05-12 Zhenxing Zhang , Qianxiang An , Yilei Wang , Chenfeng Wu , Baoling Dong , Chunjie Zhou

In this paper, we propose a novel object proposal generation scheme by formulating a graph-based salient edge classification framework that utilizes the edge context. In the proposed method, we construct a Bayesian probabilistic edge map to…

Computer Vision and Pattern Recognition · Computer Science 2017-06-15 Prerana Mukherjee , Brejesh Lall , Sarvaswa Tandon

The problem of column subset selection has recently attracted a large body of research, with feature selection serving as one obvious and important application. Among the techniques that have been applied to solve this problem, the greedy…

Data Structures and Algorithms · Computer Science 2021-11-16 Jason Altschuler , Aditya Bhaskara , Gang Fu , Vahab Mirrokni , Afshin Rostamizadeh , Morteza Zadimoghaddam

The task of detecting 3D objects is important to various robotic applications. The existing deep learning-based detection techniques have achieved impressive performance. However, these techniques are limited to run with a graphics…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Xuesong Li , Jose Guivant , Subhan Khan