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Fully supervised object detection has achieved great success in recent years. However, abundant bounding boxes annotations are needed for training a detector for novel classes. To reduce the human labeling effort, we propose a novel webly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Zhonghua Wu , Qingyi Tao , Guosheng Lin , Jianfei Cai

Contrastive learning applied to self-supervised representation learning has seen a resurgence in recent years, leading to state of the art performance in the unsupervised training of deep image models. Modern batch contrastive approaches…

Machine Learning · Computer Science 2021-03-12 Prannay Khosla , Piotr Teterwak , Chen Wang , Aaron Sarna , Yonglong Tian , Phillip Isola , Aaron Maschinot , Ce Liu , Dilip Krishnan

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ujjal Kr Dutta

Existing camouflage object detection (COD) methods typically rely on fully-supervised learning guided by mask annotations. However, obtaining mask annotations is time-consuming and labor-intensive. Compared to fully-supervised methods,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jingchen Ni , Quan Zhang , Dan Jiang , Keyu Lv , Ke Zhang , Chun Yuan

We present a self-supervised learning (SSL) method suitable for semi-global tasks such as object detection and semantic segmentation. We enforce local consistency between self-learned features, representing corresponding image locations of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Ashraful Islam , Ben Lundell , Harpreet Sawhney , Sudipta Sinha , Peter Morales , Richard J. Radke

Most existing weakly supervised localization (WSL) approaches learn detectors by finding positive bounding boxes based on features learned with image-level supervision. However, those features do not contain spatial location related…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Zequn Jie , Yunchao Wei , Xiaojie Jin , Jiashi Feng , Wei Liu

We study weakly-supervised video object grounding: given a video segment and a corresponding descriptive sentence, the goal is to localize objects that are mentioned from the sentence in the video. During training, no object bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Luowei Zhou , Nathan Louis , Jason J. Corso

Convolutional neural networks (CNNs) have achieved superhuman performance in multiple vision tasks, especially image classification. However, unlike humans, CNNs leverage spurious features, such as background information to make decisions.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Ke Wang , Harshitha Machiraju , Oh-Hyeon Choung , Michael Herzog , Pascal Frossard

Weakly-supervised salient object detection (WSOD) aims to develop saliency models using image-level annotations. Despite of the success of previous works, explorations on an effective training strategy for the saliency network and accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Yongri Piao , Jian Wang , Miao Zhang , Zhengxuan Ma , Huchuan Lu

In this work a novel approach for weakly supervised object detection that incorporates pointwise mutual information is presented. A fully convolutional neural network architecture is applied in which the network learns one filter per object…

Computer Vision and Pattern Recognition · Computer Science 2018-01-29 Rene Grzeszick , Sebastian Sudholt , Gernot A. Fink

Contrastive learning has achieved remarkable success in learning effective representations, with supervised contrastive learning often outperforming self-supervised approaches. However, in real-world scenarios, data annotations are often…

Machine Learning · Computer Science 2025-05-29 Zi-Hao Zhou , Jun-Jie Wang , Tong Wei , Min-Ling Zhang

We introduce count-guided weakly supervised localization (C-WSL), an approach that uses per-class object count as a new form of supervision to improve weakly supervised localization (WSL). C-WSL uses a simple count-based region selection…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Mingfei Gao , Ang Li , Ruichi Yu , Vlad I. Morariu , Larry S. Davis

Query-based video grounding is an important yet challenging task in video understanding, which aims to localize the target segment in an untrimmed video according to a sentence query. Most previous works achieve significant progress by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Shentong Mo , Daizong Liu , Wei Hu

Few-shot semantic segmentation aims to segment novel-class objects in a query image with only a few annotated examples in support images. Most of advanced solutions exploit a metric learning framework that performs segmentation through…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Jiacheng Chen , Bin-Bin Gao , Zongqing Lu , Jing-Hao Xue , Chengjie Wang , Qingmin Liao

Contrastive learning, a dominant self-supervised technique, emphasizes similarity in representations between augmentations of the same input and dissimilarity for different ones. Although low contrastive loss often correlates with high…

Machine Learning · Computer Science 2023-11-22 Yunzhe Zhang , Yao Lu , Qi Xuan

We propose an improved technique for weakly-supervised object localization. Conventional methods have a limitation that they focus only on most discriminative parts of the target objects. The recent study addressed this issue and resolved…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Junsuk Choe , Joo Hyun Park , Hyunjung Shim

Weakly supervised object detection (WSOD) using only image-level annotations has attracted a growing attention over the past few years. Whereas such task is typically addressed with a domain-specific solution focused on natural images, we…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Nicolas Gonthier , Saïd Ladjal , Yann Gousseau

Video object detection is a challenging task because videos often suffer from image deterioration such as motion blur, occlusion, and deformable shapes, making it significantly more difficult than detecting objects in still images. Prior…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Lucas Rakotoarivony

Contrastive, self-supervised learning of object representations recently emerged as an attractive alternative to reconstruction-based training. Prior approaches focus on contrasting individual object representations (slots) against one…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Sindy Löwe , Klaus Greff , Rico Jonschkowski , Alexey Dosovitskiy , Thomas Kipf

The eye-tracking video saliency prediction (VSP) task and video salient object detection (VSOD) task both focus on the most attractive objects in video and show the result in the form of predictive heatmaps and pixel-level saliency masks,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Qi Qin , Runmin Cong , Gen Zhan , Yiting Liao , Sam Kwong