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The unsupervised anomaly localization task faces the challenge of missing anomaly sample training, detecting multiple types of anomalies, and dealing with the proportion of the area of multiple anomalies. A separate teacher-student feature…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Chao Hu , Shengxin Lai

The success of existing deep-learning based multi-view stereo (MVS) approaches greatly depends on the availability of large-scale supervision in the form of dense depth maps. Such supervision, while not always possible, tends to hinder the…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Yuchao Dai , Zhidong Zhu , Zhibo Rao , Bo Li

In human learning, it is common to use multiple sources of information jointly. However, most existing feature learning approaches learn from only a single task. In this paper, we propose a novel multi-task deep network to learn…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Zhongzheng Ren , Yong Jae Lee

Unsupervised near-duplicate detection has many practical applications ranging from social media analysis and web-scale retrieval, to digital image forensics. It entails running a threshold-limited query on a set of descriptors extracted…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Lia Morra , Fabrizio Lamberti

The increasing popularity of social media promotes the proliferation of fake news. With the development of multimedia technology, fake news attempts to utilize multimedia contents with images or videos to attract and mislead readers for…

多媒体 · 计算机科学 2019-08-14 Peng Qi , Juan Cao , Tianyun Yang , Junbo Guo , Jintao Li

Self-supervision can dramatically cut back the amount of manually-labelled data required to train deep neural networks. While self-supervision has usually been considered for tasks such as image classification, in this paper we aim at…

计算机视觉与模式识别 · 计算机科学 2018-04-06 David Novotny , Samuel Albanie , Diane Larlus , Andrea Vedaldi

Convolutional networks trained on large supervised dataset produce visual features which form the basis for the state-of-the-art in many computer-vision problems. Further improvements of these visual features will likely require even larger…

计算机视觉与模式识别 · 计算机科学 2015-11-10 Armand Joulin , Laurens van der Maaten , Allan Jabri , Nicolas Vasilache

With technological advances leading to an increase in mechanisms for image tampering, fraud detection methods must continue to be upgraded to match their sophistication. One problem with current methods is that they require prior knowledge…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Robin Elizabeth Yancey

Human adaptability relies crucially on learning and merging knowledge from both supervised and unsupervised tasks: the parents point out few important concepts, but then the children fill in the gaps on their own. This is particularly…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Silvia Bucci , Antonio D'Innocente , Yujun Liao , Fabio Maria Carlucci , Barbara Caputo , Tatiana Tommasi

Removing the noise and improving the visual quality of hyperspectral images (HSIs) is challenging in academia and industry. Great efforts have been made to leverage local, global or spectral context information for HSI denoising. However,…

图像与视频处理 · 电气工程与系统科学 2023-04-20 Haodong Pan , Feng Gao , Junyu Dong , Qian Du

The machine learning community has been overwhelmed by a plethora of deep learning based approaches. Many challenging computer vision tasks such as detection, localization, recognition and segmentation of objects in unconstrained…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Swarnendu Ghosh , Nibaran Das , Ishita Das , Ujjwal Maulik

Face attributes are interesting due to their detailed description of human faces. Unlike prior researches working on attribute prediction, we address an inverse and more challenging problem called face attribute manipulation which aims at…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Wei Shen , Rujie Liu

Scene parsing from images is a fundamental yet challenging problem in visual content understanding. In this dense prediction task, the parsing model assigns every pixel to a categorical label, which requires the contextual information of…

计算机视觉与模式识别 · 计算机科学 2020-11-06 Litao Yu , Yongsheng Gao , Jun Zhou , Jian Zhang , Qiang Wu

As deepfake content proliferates online, advancing face manipulation forensics has become crucial. To combat this emerging threat, previous methods mainly focus on studying how to distinguish authentic and manipulated face images. Although…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Changtao Miao , Qi Chu , Zhentao Tan , Zhenchao Jin , Tao Gong , Wanyi Zhuang , Yue Wu , Bin Liu , Honggang Hu , Nenghai Yu

Segmentation of images is a long-standing challenge in medical AI. This is mainly due to the fact that training a neural network to perform image segmentation requires a significant number of pixel-level annotated data, which is often…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Himashi Peiris , Zhaolin Chen , Gary Egan , Mehrtash Harandi

Finding accurate correspondences among different views is the Achilles' heel of unsupervised Multi-View Stereo (MVS). Existing methods are built upon the assumption that corresponding pixels share similar photometric features. However,…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Di Chang , Aljaž Božič , Tong Zhang , Qingsong Yan , Yingcong Chen , Sabine Süsstrunk , Matthias Nießner

Detecting maliciously falsified facial images and videos has attracted extensive attention from digital-forensics and computer-vision communities. An important topic in manipulation detection is the localization of the fake regions.…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Weinan Guan , Wei Wang , Jing Dong , Bo Peng , Tieniu Tan

This review presents various image segmentation methods using complex networks. Image segmentation is one of the important steps in image analysis as it helps analyze and understand complex images. At first, it has been tried to classify…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Amin Rezaei , Fatemeh Asadi

In recent years, supervised learning has been widely used in various tasks of optical remote sensing image understanding, including remote sensing image classification, pixel-wise segmentation, change detection, and object detection. The…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Jun Yue , Leyuan Fang , Pedram Ghamisi , Weiying Xie , Jun Li , Jocelyn Chanussot , Antonio J Plaza

The ability to detect manipulation in multimedia data is vital in digital forensics. Existing Image Manipulation Detection (IMD) methods are mainly based on detecting anomalous features arisen from image editing or double compression…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zhenfei Zhang , Mingyang Li , Ming-Ching Chang