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Related papers: Cascade Learning by Optimally Partitioning

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The key to a successful cascade architecture for precise instance segmentation is to fully leverage the relationship between bounding box detection and mask segmentation across multiple stages. Although modern instance segmentation cascades…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Hao Ding , Siyuan Qiao , Alan Yuille , Wei Shen

Bayesian decision theory advocates the Bayes classifier as the optimal approach for minimizing the risk in machine learning problems. Current deep learning algorithms usually solve for the optimal classifier by \emph{implicitly} estimating…

Machine Learning · Computer Science 2025-07-01 Chaoqun Du , Yulin Wang , Shiji Song , Gao Huang

The AdaBoost algorithm was designed to combine many "weak" hypotheses that perform slightly better than random guessing into a "strong" hypothesis that has very low error. We study the rate at which AdaBoost iteratively converges to the…

Optimization and Control · Mathematics 2011-06-30 Indraneel Mukherjee , Cynthia Rudin , Robert E. Schapire

Semantic segmentation research has recently witnessed rapid progress, but many leading methods are unable to identify object instances. In this paper, we present Multi-task Network Cascades for instance-aware semantic segmentation. Our…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Jifeng Dai , Kaiming He , Jian Sun

DBSCAN, a well-known density-based clustering algorithm, has gained widespread popularity and usage due to its effectiveness in identifying clusters of arbitrary shapes and handling noisy data. However, it encounters challenges in producing…

Machine Learning · Computer Science 2025-05-09 Hao Peng , Xiang Huang , Shuo Sun , Ruitong Zhang , Philip S. Yu

The information-based optimal subdata selection (IBOSS) is a computationally efficient method to select informative data points from large data sets through processing full data by columns. However, when the volume of a data set is too…

Computation · Statistics 2019-06-27 HaiYing Wang

Based on the use of different exponential bases to define class-dependent error bounds, a new and highly efficient asymmetric boosting scheme, coined as AdaBoostDB (Double-Base), is proposed. Supported by a fully theoretical derivation…

Computer Vision and Pattern Recognition · Computer Science 2015-07-09 Iago Landesa-Vázquez , José Luis Alba-Castro

A lot of approaches, each following a different strategy, have been proposed in the literature to provide AdaBoost with cost-sensitive properties. In the first part of this series of two papers, we have presented these algorithms in a…

Computer Vision and Pattern Recognition · Computer Science 2016-07-25 Iago Landesa-Vázquez , José Luis Alba-Castro

The datasets of face recognition contain an enormous number of identities and instances. However, conventional methods have difficulty in reflecting the entire distribution of the datasets because a mini-batch of small size contains only a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Yonghyun Kim , Wonpyo Park , Jongju Shin

Recent camera-based 3D object detection is limited by the precision of transforming from image to 3D feature spaces, as well as the accuracy of object localization within the 3D space. This paper aims to address such a fundamental problem…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Chaoqun Wang , Yiran Qin , Zijian Kang , Ningning Ma , Ruimao Zhang

State-of-the-art detection systems are generally evaluated on their ability to exhaustively retrieve objects densely distributed in the image, across a wide variety of appearances and semantic categories. Orthogonal to this, many real-life…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Amelie Royer , Christoph H. Lampert

We consider the problem of designing an adaptive sequence of questions that optimally classify a candidate's ability into one of several categories or discriminative grades. A candidate's ability is modeled as an unknown parameter, which,…

Machine Learning · Computer Science 2020-04-14 Achal Bassamboo , Vikas Deep , Sandeep Juneja , Assaf Zeevi

Anchor-free object detectors are highly efficient in performing point-based prediction without the need for extra post-processing of anchors. However, different from the 2D grids, the 3D points used in these detectors are often far from the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yingping Liang , Ying Fu

Visual tracking can be easily disturbed by similar surrounding objects. Such objects as hard distractors, even though being the minority among negative samples, increase the risk of target drift and model corruption, which deserve…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ning Wang , Wengang Zhou , Qi Tian , Houqiang Li

In this paper we describe our machine learning solution for the RecSys Challenge, 2015. We have proposed a time efficient two-stage cascaded classifier for the prediction of buy sessions and purchased items within such sessions. Based on…

Information Retrieval · Computer Science 2015-08-18 Sheikh Muhammad Sarwar , Mahamudul Hasan , Dmitry I. Ignatov

Face detection and alignment in unconstrained environment are challenging due to various poses, illuminations and occlusions. Recent studies show that deep learning approaches can achieve impressive performance on these two tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Kaipeng Zhang , Zhanpeng Zhang , Zhifeng Li , Yu Qiao

Class imbalance classification is a challenging research problem in data mining and machine learning, as most of the real-life datasets are often imbalanced in nature. Existing learning algorithms maximise the classification accuracy by…

Machine Learning · Computer Science 2018-09-05 Farshid Rayhan , Sajid Ahmed , Asif Mahbub , Md. Rafsan Jani , Swakkhar Shatabda , Dewan Md. Farid

Deep region-based object detector consists of a region proposal step and a deep object recognition step. In this paper, we make significant improvements on both of the two steps. For region proposal we propose a novel lightweight cascade…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Qiaoyong Zhong , Chao Li , Yingying Zhang , Di Xie , Shicai Yang , Shiliang Pu

Recent researches have shown that deep forest ensemble achieves a considerable increase in classification accuracy compared with the general ensemble learning methods, especially when the training set is small. In this paper, we take…

Machine Learning · Computer Science 2019-05-15 Haiyang Wang , Yong Tang , Ziyang Jia , Fei Ye

We design a new adaptive learning algorithm for misclassification cost problems that attempt to reduce the cost of misclassified instances derived from the consequences of various errors. Our algorithm (adaptive cost sensitive learning -…

Machine Learning · Computer Science 2021-11-16 Ohad Volk , Gonen Singer