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相关论文: Sparse Coding on Stereo Video for Object Detection

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Monocular 3D object tracking aims to estimate temporally consistent 3D object poses across video frames, enabling autonomous agents to reason about scene dynamics. However, existing state-of-the-art approaches are fully supervised and rely…

机器人学 · 计算机科学 2026-03-20 Nikhil Gosala , B. Ravi Kiran , Senthil Yogamani , Abhinav Valada

Exemplar learning of visual similarities in an unsupervised manner is a problem of paramount importance to Computer Vision. In this context, however, the recent breakthrough in deep learning could not yet unfold its full potential. With…

计算机视觉与模式识别 · 计算机科学 2018-02-26 Artsiom Sanakoyeu , Miguel A. Bautista , Björn Ommer

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

Due to the costliness of labelled data in real-world applications, semi-supervised object detectors, underpinned by pseudo labelling, are appealing. However, handling confusing samples is nontrivial: discarding valuable confusing samples…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Changrui Chen , Kurt Debattista , Jungong Han

The task of object segmentation in videos is usually accomplished by processing appearance and motion information separately using standard 2D convolutional networks, followed by a learned fusion of the two sources of information. On the…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Sabarinath Mahadevan , Ali Athar , Aljoša Ošep , Sebastian Hennen , Laura Leal-Taixé , Bastian Leibe

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

Convolutional neural networks (CNN) have led to many state-of-the-art results spanning through various fields. However, a clear and profound theoretical understanding of the forward pass, the core algorithm of CNN, is still lacking. In…

机器学习 · 统计学 2017-02-02 Vardan Papyan , Yaniv Romano , Michael Elad

We propose a semi-supervised learning approach for video classification, VideoSSL, using convolutional neural networks (CNN). Like other computer vision tasks, existing supervised video classification methods demand a large amount of…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Longlong Jing , Toufiq Parag , Zhe Wu , Yingli Tian , Hongcheng Wang

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-04-17 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

We identify and overcome two key obstacles in extending the success of BERT-style pre-training, or the masked image modeling, to convolutional networks (convnets): (i) convolution operation cannot handle irregular, random-masked input…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Keyu Tian , Yi Jiang , Qishuai Diao , Chen Lin , Liwei Wang , Zehuan Yuan

Deep learning based salient object detection has recently achieved great success with its performance greatly outperforms any other unsupervised methods. However, annotating per-pixel saliency masks is a tedious and inefficient procedure.…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Guanbin Li , Yuan Xie , Liang Lin

While significant attention has been recently focused on designing supervised deep semantic segmentation algorithms for vision tasks, there are many domains in which sufficient supervised pixel-level labels are difficult to obtain. In this…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Xide Xia , Brian Kulis

Semantic image segmentation is one of the most important tasks in medical image analysis. Most state-of-the-art deep learning methods require a large number of accurately annotated examples for model training. However, accurate annotation…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Ning Zhang , Susan Francis , Rayaz Malik , Xin Chen

Sparse coding is an unsupervised learning algorithm that learns a succinct high-level representation of the inputs given only unlabeled data; it represents each input as a sparse linear combination of a set of basis functions. Originally…

机器学习 · 计算机科学 2012-06-26 Roger Grosse , Rajat Raina , Helen Kwong , Andrew Y. Ng

Visual reranking is effective to improve the performance of the text-based video search. However, existing reranking algorithms can only achieve limited improvement because of the well-known semantic gap between low level visual features…

信息检索 · 计算机科学 2011-12-22 Xinmei Tian , Dacheng Tao , Yong Rui

Deep learning (DL) based supervised change detection (CD) models require large labeled training data. Due to the difficulty of collecting labeled multi-temporal data, unsupervised methods are preferred in the CD literature. However,…

机器学习 · 计算机科学 2021-04-13 Sudipan Saha , Biplab Banerjee , Xiao Xiang Zhu

Recently, deep learning has experienced rapid expansion, contributing significantly to the progress of supervised learning methodologies. However, acquiring labeled data in real-world settings can be costly, labor-intensive, and sometimes…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Jicheng Yuan , Anh Le-Tuan , Ali Ganbarov , Manfred Hauswirth , Danh Le-Phuoc

A major obstacle to building models for effective semantic segmentation, and particularly video semantic segmentation, is a lack of large and well annotated datasets. This bottleneck is particularly prohibitive in highly specialized and…

In this paper we consider the problem of estimating a dense depth map from a set of sparse LiDAR points. We use techniques from compressed sensing and the recently developed Alternating Direction Neural Networks (ADNNs) to create a deep…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Nathaniel Chodosh , Chaoyang Wang , Simon Lucey

This paper introduces an unsupervised compact architecture that can extract features and classify the contents of dynamic scenes from the temporal output of a neuromorphic asynchronous event-based camera. Event-based cameras are clock-less…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Germain Haessig , Ryad Benosman