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Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Vessel segmentation is an essential task in many clinical applications. Although supervised methods have achieved state-of-art performance, acquiring expert annotation is laborious and mostly limited for two-dimensional datasets with a…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Rohit Jena , Sumedha Singla , Kayhan Batmanghelich

Self-supervised representation learning methods aim to provide powerful deep feature learning without the requirement of large annotated datasets, thus alleviating the annotation bottleneck that is one of the main barriers to practical…

机器学习 · 计算机科学 2022-05-18 Linus Ericsson , Henry Gouk , Chen Change Loy , Timothy M. Hospedales

Semi-Supervised Learning can be more beneficial for the video domain compared to images because of its higher annotation cost and dimensionality. Besides, any video understanding task requires reasoning over both spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Ishan Rajendrakumar Dave , Mamshad Nayeem Rizve , Chen Chen , Mubarak Shah

Self-supervised learning allows for better utilization of unlabelled data. The feature representation obtained by self-supervision can be used in downstream tasks such as classification, object detection, segmentation, and anomaly…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Rabia Ali , Muhammad Umar Karim Khan , Chong Min Kyung

In this paper, we presented a preliminary study for tactical driver behavior detection from untrimmed naturalistic driving recordings. While supervised learning based detection is a common approach, it suffers when labeled data is scarce.…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Athma Narayanan , Yi-Ting Chen , Srikanth Malla

Machine Learning and Inference methods have become ubiquitous in our attempt to induce more abstract representations of natural language text, visual scenes, and other messy, naturally occurring data, and support decisions that depend on…

机器学习 · 计算机科学 2020-05-27 Dan Roth

A core aspect of human perception is situated awareness, the ability to relate ourselves to the surrounding physical environment and reason over possible actions in context. However, most existing benchmarks for multimodal foundation models…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Chuhan Li , Ruilin Han , Joy Hsu , Yongyuan Liang , Rajiv Dhawan , Jiajun Wu , Ming-Hsuan Yang , Xin Eric Wang

In the context of few-shot learning, one cannot measure the generalization ability of a trained classifier using validation sets, due to the small number of labeled samples. In this paper, we are interested in finding alternatives to answer…

机器学习 · 计算机科学 2020-07-09 Myriam Bontonou , Louis Béthune , Vincent Gripon

Fine-tuning from pre-trained ImageNet models has become the de-facto standard for various computer vision tasks. Current practices for fine-tuning typically involve selecting an ad-hoc choice of hyperparameters and keeping them fixed to…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Hao Li , Pratik Chaudhari , Hao Yang , Michael Lam , Avinash Ravichandran , Rahul Bhotika , Stefano Soatto

Action recognition in videos has attracted a lot of attention in the past decade. In order to learn robust models, previous methods usually assume videos are trimmed as short sequences and require ground-truth annotations of each video…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Xiao-Yu Zhang , Haichao Shi , Changsheng Li , Kai Zheng , Xiaobin Zhu , Lixin Duan

The task of large-scale retrieval-based image localization is to estimate the geographical location of a query image by recognizing its nearest reference images from a city-scale dataset. However, the general public benchmarks only provide…

计算机视觉与模式识别 · 计算机科学 2020-07-10 Yixiao Ge , Haibo Wang , Feng Zhu , Rui Zhao , Hongsheng Li

Vector-valued learning, where the output space admits a vector-valued structure, is an important problem that covers a broad family of important domains, e.g. multi-task learning and transfer learning. Using local Rademacher complexity and…

机器学习 · 计算机科学 2023-08-30 Jian Li , Yong Liu , Weiping Wang

The exploration of video content via Self-Supervised Learning (SSL) models has unveiled a dynamic field of study, emphasizing both the complex challenges and unique opportunities inherent in this area. Despite the growing body of research,…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Malitha Gunawardhana , Limalka Sadith , Liel David , Daniel Harari , Muhammad Haris Khan

Large-scale labeled training datasets have enabled deep neural networks to excel across a wide range of benchmark vision tasks. However, in many applications, it is prohibitively expensive and time-consuming to obtain large quantities of…

Recently the focus of the computer vision community has shifted from expensive supervised learning towards self-supervised learning of visual representations. While the performance gap between supervised and self-supervised has been…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Mustafa Taha Koçyiğit , Timothy M. Hospedales , Hakan Bilen

The state of the art in video super-resolution (SR) are techniques based on deep learning, but they perform poorly on real-world videos (see Figure 1). The reason is that training image-pairs are commonly created by downscaling a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Noam Elron , Alex Itskovich , Shahar S. Yuval , Noam Levy

Deep neural networks are typically trained under a supervised learning framework where a model learns a single task using labeled data. Instead of relying solely on labeled data, practitioners can harness unlabeled or related data to…

机器学习 · 计算机科学 2020-07-03 Huanru Henry Mao

Self-supervised learning has witnessed great progress in vision and NLP; recently, it also attracted much attention to various medical imaging modalities such as X-ray, CT, and MRI. Existing methods mostly focus on building new pretext…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Xinpeng Ding , Ziwei Liu , Xiaomeng Li

Visual grounding, which aims to build a correspondence between visual objects and their language entities, plays a key role in cross-modal scene understanding. One promising and scalable strategy for learning visual grounding is to utilize…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Yongfei Liu , Bo Wan , Lin Ma , Xuming He