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Recent multimodal deepfake detection methods designed for generalization conjecture that single-stage supervised training struggles to generalize across unseen manipulations and datasets. However, such approaches that target generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Ashutosh Anshul , Shreyas Gopal , Deepu Rajan , Eng Siong Chng

Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

Video anomaly detection is a challenging task because most anomalies are scarce and non-deterministic. Many approaches investigate the reconstruction difference between normal and abnormal patterns, but neglect that anomalies do not…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Guodong Shen , Yuqi Ouyang , Victor Sanchez

Deepfake detection methods have shown promising results in recognizing forgeries within a given dataset, where training and testing take place on the in-distribution dataset. However, their performance deteriorates significantly when…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Aminollah Khormali , Jiann-Shiun Yuan

Change detection is the process of identifying pixelwise differences in bitemporal co-registered images. It is of great significance to Earth observations. Recently, with the emergence of deep learning (DL), the power and feasibility of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Pan Chen , Danfeng Hong , Zhengchao Chen , Xuan Yang , Baipeng Li , Bing Zhang

It remains a challenge to simultaneously remove geometric distortion and space-time-varying blur in frames captured through a turbulent atmospheric medium. To solve, or at least reduce these effects, we propose a new scheme to recover a…

Computer Vision and Pattern Recognition · Computer Science 2014-01-20 Yuan Xie , Wensheng Zhang , Dacheng Tao , Wenrui Hu , Yanyun Qu , Hanzi Wang

Existing deep learning-based approaches for monocular 3D object detection in autonomous driving often model the object as a rotated 3D cuboid while the object's geometric shape has been ignored. In this work, we propose an approach for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Zongdai Liu , Dingfu Zhou , Feixiang Lu , Jin Fang , Liangjun Zhang

This paper focuses on camouflaged object detection (COD), which is a task to detect objects hidden in the background. Most of the current COD models aim to highlight the target object directly while outputting ambiguous camouflaged…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Nobukatsu Kajiura , Hong Liu , Shin'ichi Satoh

Change detection (CD) from remote sensing (RS) images using deep learning has been widely investigated in the literature. It is typically regarded as a pixel-wise labeling task that aims to classify each pixel as changed or unchanged.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weikang Yu , Xiaokang Zhang , Samiran Das , Xiao Xiang Zhu , Pedram Ghamisi

Clustering high-dimensional spatiotemporal data using an unsupervised approach is a challenging problem for many data-driven applications. Existing state-of-the-art methods for unsupervised clustering use different similarity and distance…

Machine Learning · Computer Science 2023-09-15 Omar Faruque , Francis Ndikum Nji , Mostafa Cham , Rohan Mandar Salvi , Xue Zheng , Jianwu Wang

Most invariance-based self-supervised methods rely on single object-centric images (e.g., ImageNet images) for pretraining, learning features that invariant to geometric transformation. However, when images are not object-centric, the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Taeho Kim , Jong-Min Lee

Deep convolutional neural networks have shown remarkable results on multiple detection tasks. Despite the significant progress, the performance of such detectors are often assessed in public benchmarks under non-realistic conditions.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Yuhang Lu , Ruizhi Luo , Touradj Ebrahimi

Rearranging objects (e.g. vase, door) back in their original positions is one of the most fundamental skills for domestic service robots (DSRs). In rearrangement tasks, it is crucial to detect the objects that need to be rearranged…

Robotics · Computer Science 2024-07-09 Haruka Matsuo , Shintaro Ishikawa , Komei Sugiura

Up-to-date High-Definition (HD) maps are essential for self-driving cars. To achieve constantly updated HD maps, we present a deep neural network (DNN), Diff-Net, to detect changes in them. Compared to traditional methods based on object…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Lei He , Shengjie Jiang , Xiaoqing Liang , Ning Wang , Shiyu Song

Motion compensated prediction is central to the efficiency of video compression. Its predictive coding scheme propagates the quantization distortion through the prediction chain and creates a temporal dependency. Prior research typically…

Image and Video Processing · Electrical Eng. & Systems 2021-08-27 Jingning Han , Paul Wilkins , Yaowu Xu , James Bankoski

Current generative models struggle to synthesize dynamic 4D driving scenes that simultaneously support temporal extrapolation and spatial novel view synthesis (NVS) without per-scene optimization. A key challenge lies in finding an…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Jiazhe Guo , Yikang Ding , Xiwu Chen , Shuo Chen , Bohan Li , Yingshuang Zou , Xiaoyang Lyu , Feiyang Tan , Xiaojuan Qi , Zhiheng Li , Hao Zhao

Archetypal scenarios for change detection generally consider two images acquired through sensors of the same modality. However, in some specific cases such as emergency situations, the only images available may be those acquired through…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Vinicius Ferraris , Nicolas Dobigeon , Qi Wei , Marie Chabert

Target speech extraction has attracted widespread attention. When microphone arrays are available, the additional spatial information can be helpful in extracting the target speech. We have recently proposed a channel decorrelation (CD)…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 Jiangyu Han , Wei Rao , Yannan Wang , Yanhua Long

Most object manipulation strategies for robots are based on the assumption that the object is rigid (i.e., with fixed geometry) and the goal's details have been fully specified (e.g., the exact target pose). However, there are many tasks…

Robotics · Computer Science 2022-09-14 Shengzeng Huo , Fangyuan Wang , Luyin Hu , Peng Zhou , Jihong Zhu , Hesheng Wang , David Navarro-Alarcon

Domain shift happens in cross-domain scenarios commonly because of the wide gaps between different domains: when applying a deep learning model well-trained in one domain to another target domain, the model usually performs poorly. To…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Munan Ning , Cheng Bian , Dong Wei , Chenglang Yuan , Yaohua Wang , Yang Guo , Kai Ma , Yefeng Zheng
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