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Reduced-rank linear discriminant analysis (RRLDA) is a foundational method of dimension reduction for classification that has been useful in a wide range of applications. The goal is to identify an optimal subspace to project the…

Computation · Statistics 2026-02-12 Jocelyn T. Chi

Effective image classification hinges on discerning relevant features from both foreground and background elements, with the foreground typically holding the critical information. While humans adeptly classify images with limited exposure,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Weihao Jiang , Haoyang Cui , Kun He

Tracking segmentation masks of multiple instances has been intensively studied, but still faces two fundamental challenges: 1) the requirement of large-scale, frame-wise annotation, and 2) the complexity of two-stage approaches. To resolve…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Yang Fu , Sifei Liu , Umar Iqbal , Shalini De Mello , Humphrey Shi , Jan Kautz

We introduce a very general method for sparse and large-scale variable selection. The large-scale regression settings is such that both the number of parameters and the number of samples are extremely large. The proposed method is based on…

Statistics Theory · Mathematics 2019-07-31 Jelena Bradic

Multimodal representations that enable cross-modal retrieval are widely used. However, these often lack interpretability making it difficult to explain the retrieved results. Solutions such as learning sparse disentangled representations…

Information Retrieval · Computer Science 2025-06-25 Prachi J , Sumit Bhatia , Srikanta Bedathur

Fine-grained categories that largely share the same set of parts cannot be discriminated based on part information alone, as they mostly differ in the way the local parts relate to the overall global structure of the object. We propose…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Abhra Chaudhuri , Massimiliano Mancini , Zeynep Akata , Anjan Dutta

Weakly supervised instance segmentation with image-level labels, instead of expensive pixel-level masks, remains unexplored. In this paper, we tackle this challenging problem by exploiting class peak responses to enable a classification…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yanzhao Zhou , Yi Zhu , Qixiang Ye , Qiang Qiu , Jianbin Jiao

Matching images and sentences demands a fine understanding of both modalities. In this paper, we propose a new system to discriminatively embed the image and text to a shared visual-textual space. In this field, most existing works apply…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Zhedong Zheng , Liang Zheng , Michael Garrett , Yi Yang , Mingliang Xu , Yi-Dong Shen

All instance perception tasks aim at finding certain objects specified by some queries such as category names, language expressions, and target annotations, but this complete field has been split into multiple independent subtasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Bin Yan , Yi Jiang , Jiannan Wu , Dong Wang , Ping Luo , Zehuan Yuan , Huchuan Lu

In this paper, we present a semi supervised deep quick learning framework for instance detection and pixel-wise semantic segmentation of images in a dense clutter of items. The framework can quickly and incrementally learn novel items in an…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Ashish Kumar , L. Behera

Selectivity estimation aims at estimating the number of database objects that satisfy a selection criterion. Answering this problem accurately and efficiently is essential to many applications, such as density estimation, outlier detection,…

Databases · Computer Science 2021-05-28 Yaoshu Wang , Chuan Xiao , Jianbin Qin , Rui Mao , Onizuka Makoto , Wei Wang , Rui Zhang , Yoshiharu Ishikawa

We are interested in inferring object segmentation by leveraging only object class information, and by considering only minimal priors on the object segmentation task. This problem could be viewed as a kind of weakly supervised segmentation…

Computer Vision and Pattern Recognition · Computer Science 2015-04-27 Pedro O. Pinheiro , Ronan Collobert

Low level features like edges and textures play an important role in accurately localizing instances in neural networks. In this paper, we propose an architecture which improves feature pyramid networks commonly used instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yongqing Sun , Pranav Shenoy K P , Jun Shimamura , Atsushi Sagata

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

Dataset pruning -- selecting a small yet informative subset of training data -- has emerged as a promising strategy for efficient machine learning, offering significant reductions in computational cost and storage compared to alternatives…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Ryota Yagi

The problem of image-base person identification/recognition is to provide an identity to the image of an individual based on learned models that describe his/her appearance. Most traditional person identification systems rely on learning a…

Computer Vision and Pattern Recognition · Computer Science 2016-07-05 Abir Das , Rameswar Panda , Amit K. Roy-Chowdhury

We present a new framework for self-supervised representation learning by formulating it as a ranking problem in an image retrieval context on a large number of random views (augmentations) obtained from images. Our work is based on two…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Ali Varamesh , Ali Diba , Tinne Tuytelaars , Luc Van Gool

The essence of distantly supervised relation extraction is that it is an incomplete multi-label classification problem with sparse and noisy features. To tackle the sparsity and noise challenges, we propose solving the classification…

Computation and Language · Computer Science 2014-11-18 Miao Fan , Deli Zhao , Qiang Zhou , Zhiyuan Liu , Thomas Fang Zheng , Edward Y. Chang

After learning a new object category from image-level annotations (with no object bounding boxes), humans are remarkably good at precisely localizing those objects. However, building good object localizers (i.e., detectors) currently…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Zitian Chen , Zhiqiang Shen , Jiahui Yu , Erik Learned-Miller

We present a weakly supervised instance segmentation algorithm based on deep community learning with multiple tasks. This task is formulated as a combination of weakly supervised object detection and semantic segmentation, where individual…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Jaedong Hwang , Seohyun Kim , Jeany Son , Bohyung Han