English
Related papers

Related papers: CyLKs: Unsupervised Cycle Lucas-Kanade Network for…

200 papers

Recent attempts for unsupervised landmark learning leverage synthesized image pairs that are similar in appearance but different in poses. These methods learn landmarks by encouraging the consistency between the original images and the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Yinghao Xu , Ceyuan Yang , Ziwei Liu , Bo Dai , Bolei Zhou

Continual learning (CL) aims to learn a sequence of tasks without forgetting the previously acquired knowledge. However, recent CL advances are restricted to supervised continual learning (SCL) scenarios. Consequently, they are not scalable…

Machine Learning · Computer Science 2022-04-06 Divyam Madaan , Jaehong Yoon , Yuanchun Li , Yunxin Liu , Sung Ju Hwang

Supervised learning of convolutional neural networks (CNNs) can require very large amounts of labeled data. Labeling thousands or millions of training examples can be extremely time consuming and costly. One direction towards addressing…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Amir Ghaderi , Vassilis Athitsos

We propose an unsupervised visual tracking method in this paper. Different from existing approaches using extensive annotated data for supervised learning, our CNN model is trained on large-scale unlabeled videos in an unsupervised manner.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ning Wang , Yibing Song , Chao Ma , Wengang Zhou , Wei Liu , Houqiang Li

In this paper, we present supervision-by-registration, an unsupervised approach to improve the precision of facial landmark detectors on both images and video. Our key observation is that the detections of the same landmark in adjacent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Xuanyi Dong , Shoou-I Yu , Xinshuo Weng , Shih-En Wei , Yi Yang , Yaser Sheikh

Can we automatically group images into semantically meaningful clusters when ground-truth annotations are absent? The task of unsupervised image classification remains an important, and open challenge in computer vision. Several recent…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Marc Proesmans , Luc Van Gool

As a fundamental visual attribute, image complexity significantly influences both human perception and the performance of computer vision models. However, accurately assessing and quantifying image complexity remains a challenging task. (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Shipeng Liu , Liang Zhao , Dengfeng Chen

This paper proposes a method to ease the unsupervised learning of object landmark detectors. Similarly to previous methods, our approach is fully unsupervised in a sense that it does not require or make any use of annotated landmarks for…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Enrique Sanchez , Georgios Tzimiropoulos

Unsupervised learning has been popular in various computer vision tasks, including visual object tracking. However, prior unsupervised tracking approaches rely heavily on spatial supervision from template-search pairs and are still unable…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Qiuhong Shen , Lei Qiao , Jinyang Guo , Peixia Li , Xin Li , Bo Li , Weitao Feng , Weihao Gan , Wei Wu , Wanli Ouyang

Landmark localization in images and videos is a classic problem solved in various ways. Nowadays, with deep networks prevailing throughout machine learning, there are revamped interests in pushing facial landmark detection technologies to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Joseph P Robinson , Yuncheng Li , Ning Zhang , Yun Fu , and Sergey Tulyakov

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

Neural net classifiers trained on data with annotated class labels can also capture apparent visual similarity among categories without being directed to do so. We study whether this observation can be extended beyond the conventional…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Zhirong Wu , Yuanjun Xiong , Stella Yu , Dahua Lin

An important challenge for autonomous agents such as robots is to maintain a spatially and temporally consistent model of the world. It must be maintained through occlusions, previously-unseen views, and long time horizons (e.g., loop…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Dominik A. Kloepfer , Dylan Campbell , João F. Henriques

Locating semantically meaningful landmark points is a crucial component of a large number of computer vision pipelines. Because of the small number of available datasets with ground truth landmark annotations, it is important to design…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Rahul Rahaman , Atin Ghosh , Alexandre H. Thiery

Deep neural networks can model images with rich latent representations, but they cannot naturally conceptualize structures of object categories in a human-perceptible way. This paper addresses the problem of learning object structures in an…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Yuting Zhang , Yijie Guo , Yixin Jin , Yijun Luo , Zhiyuan He , Honglak Lee

This paper presents a state-of-the-art filter that reduces the complexity in object detection, tracking and mapping applications. Existing edge detection and tracking methods are proposed to create suitable autonomy for mobile robots,…

Robotics · Computer Science 2021-01-14 Seyed Amir Tafrishi , Xiaotian Dai , Vahid Esmaeilzadeh Kandjani

The advancement of visual tracking has continuously been brought by deep learning models. Typically, supervised learning is employed to train these models with expensive labeled data. In order to reduce the workload of manual annotations…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Wei Liu , Houqiang Li

Feature encoding with respect to an over-complete dictionary learned by unsupervised methods, followed by spatial pyramid pooling, and linear classification, has exhibited powerful strength in various vision applications. Here we propose to…

Computer Vision and Pattern Recognition · Computer Science 2013-10-08 Fayao Liu , Chunhua Shen , Ian Reid , Anton van den Hengel

We argue that robust dense SLAM systems can make valuable use of the layers of features coming from a standard CNN as a pyramid of `semantic texture' which is suitable for dense alignment while being much more robust to nuisance factors…

Computer Vision and Pattern Recognition · Computer Science 2017-08-30 Jan Czarnowski , Stefan Leutenegger , Andrew Davison

Learning automatically the structure of object categories remains an important open problem in computer vision. In this paper, we propose a novel unsupervised approach that can discover and learn landmarks in object categories, thus…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 James Thewlis , Hakan Bilen , Andrea Vedaldi
‹ Prev 1 2 3 10 Next ›