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Weakly supervised segmentation requires assigning a label to every pixel based on training instances with partial annotations such as image-level tags, object bounding boxes, labeled points and scribbles. This task is challenging, as coarse…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Tsung-Wei Ke , Jyh-Jing Hwang , Stella X. Yu

Transfer learning is one of the subjects undergoing intense study in the area of machine learning. In object recognition and object detection there are known experiments for the transferability of parameters, but not for neural networks…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Ioannis Athanasiadis , Panagiotis Mousouliotis , Loukas Petrou

Reliable perception during fast motion maneuvers or in high dynamic range environments is crucial for robotic systems. Since event cameras are robust to these challenging conditions, they have great potential to increase the reliability of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Nico Messikommer , Daniel Gehrig , Mathias Gehrig , Davide Scaramuzza

Object detection when provided image-level labels instead of instance-level labels (i.e., bounding boxes) during training is an important problem in computer vision, since large scale image datasets with instance-level labels are extremely…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Ziang Yan , Jian Liang , Weishen Pan , Jin Li , Changshui Zhang

Despite the recent advances in multi-task learning of dense prediction problems, most methods rely on expensive labelled datasets. In this paper, we present a label efficient approach and look at jointly learning of multiple dense…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Wei-Hong Li , Xialei Liu , Hakan Bilen

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

Recent approaches have shown that training deep neural networks directly on large-scale image-text pair collections enables zero-shot transfer on various recognition tasks. One central issue is how this can be generalized to object…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Johnathan Xie , Shuai Zheng

Given multiple datasets with different label spaces, the goal of this work is to train a single object detector predicting over the union of all the label spaces. The practical benefits of such an object detector are obvious and significant…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Xiangyun Zhao , Samuel Schulter , Gaurav Sharma , Yi-Hsuan Tsai , Manmohan Chandraker , Ying Wu

This work addresses the unsupervised adaptation of an existing object detector to a new target domain. We assume that a large number of unlabeled videos from this domain are readily available. We automatically obtain labels on the target…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Aruni RoyChowdhury , Prithvijit Chakrabarty , Ashish Singh , SouYoung Jin , Huaizu Jiang , Liangliang Cao , Erik Learned-Miller

Despite powering sensitive systems like autonomous vehicles, object detection remains fairly brittle in part due to annotation errors that plague most real-world training datasets. We propose ObjectLab, a straightforward algorithm to detect…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ulyana Tkachenko , Aditya Thyagarajan , Jonas Mueller

We present a novel approach to weakly supervised object detection. Instead of annotated images, our method only requires two short videos to learn to detect a new object: 1) a video of a moving object and 2) one or more "negative" videos of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Rico Jonschkowski , Austin Stone

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

We present two techniques to improve landmark localization in images from partially annotated datasets. Our primary goal is to leverage the common situation where precise landmark locations are only provided for a small data subset, but…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Sina Honari , Pavlo Molchanov , Stephen Tyree , Pascal Vincent , Christopher Pal , Jan Kautz

Weakly supervised object detection aims at reducing the amount of supervision required to train detection models. Such models are traditionally learned from images/videos labelled only with the object class and not the object bounding box.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Zhenheng Yang , Dhruv Mahajan , Deepti Ghadiyaram , Ram Nevatia , Vignesh Ramanathan

Referring video object segmentation (RVOS) is a task that aims to segment the target object in all video frames based on a sentence describing the object. Although existing RVOS methods have achieved significant performance, they depend on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Wangbo Zhao , Kepan Nan , Songyang Zhang , Kai Chen , Dahua Lin , Yang You

Weakly Supervised Object Detection (WSOD), using only image-level annotations to train object detectors, is of growing importance in object recognition. In this paper, we propose a novel deep network for WSOD. Unlike previous networks that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Peng Tang , Xinggang Wang , Song Bai , Wei Shen , Xiang Bai , Wenyu Liu , Alan Yuille

In this paper, we categorize fine-grained images without using any object / part annotation neither in the training nor in the testing stage, a step towards making it suitable for deployments. Fine-grained image categorization aims to…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Yu Zhang , Xiu-shen Wei , Jianxin Wu , Jianfei Cai , Jiangbo Lu , Viet-Anh Nguyen , Minh N. Do

Deep neural networks (DNNs) have demonstrated exceptional performance across various image segmentation tasks. However, the process of preparing datasets for training segmentation DNNs is both labor-intensive and costly, as it typically…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Yixin Zhang , Shen Zhao , Hanxue Gu , Maciej A. Mazurowski

Domain shift is a well known problem where a model trained on a particular domain (source) does not perform well when exposed to samples from a different domain (target). Unsupervised methods that can adapt to domain shift are highly…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Botos Csaba , Xiaojuan Qi , Arslan Chaudhry , Puneet Dokania , Philip Torr

Weakly supervised 3D object detection aims to learn a 3D detector with lower annotation cost, e.g., 2D labels. Unlike prior work which still relies on few accurate 3D annotations, we propose a framework to study how to leverage constraints…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Kuan-Chih Huang , Yi-Hsuan Tsai , Ming-Hsuan Yang