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Multispectral disparity estimation is a difficult task for many reasons: it has all the same challenges as traditional visible-visible disparity estimation (occlusions, repetitive patterns, textureless surfaces), in addition of having very…

计算机视觉与模式识别 · 计算机科学 2020-05-04 David-Alexandre Beaupre , Guillaume-Alexandre Bilodeau

The emerging Learned Compression (LC) replaces the traditional codec modules with Deep Neural Networks (DNN), which are trained end-to-end for rate-distortion performance. This approach is considered as the future of image/video…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Farhad Pakdaman , Moncef Gabbouj

We present a self-supervised learning approach for optical flow. Our method distills reliable flow estimations from non-occluded pixels, and uses these predictions as ground truth to learn optical flow for hallucinated occlusions. We…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Pengpeng Liu , Michael Lyu , Irwin King , Jia Xu

Image quality plays a big role in CNN-based image classification performance. Fine-tuning the network with distorted samples may be too costly for large networks. To solve this issue, we propose a transfer learning approach optimized to…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Alessandro Bianchi , Moreno Raimondo Vendra , Pavlos Protopapas , Marco Brambilla

Since the BOSS competition, in 2010, most steganalysis approaches use a learning methodology involving two steps: feature extraction, such as the Rich Models (RM), for the image representation, and use of the Ensemble Classifier (EC) for…

多媒体 · 计算机科学 2018-01-15 Lionel Pibre , Pasquet Jérôme , Dino Ienco , Marc Chaumont

We develop a novel optical neural network (ONN) framework which introduces a degree of scalar invariance to image classification estima- tion. Taking a hint from the human eye, which has higher resolution near the center of the retina,…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Grant Fennessy , Yevgeniy Vorobeychik

Conditional flow matching (CFM) has emerged as a powerful framework for training continuous normalizing flows due to its computational efficiency and effectiveness. However, standard CFM often produces paths that deviate significantly from…

Flow models transform data gradually from one modality (e.g. noise) onto another (e.g. images). Such models are parameterized by a time-dependent velocity field, trained to fit segments connecting pairs of source and target points. When the…

机器学习 · 计算机科学 2025-10-01 Stephen Zhang , Alireza Mousavi-Hosseini , Michal Klein , Marco Cuturi

Optical flow estimation is a fundamental task in computer vision. Recent direct-regression methods using deep neural networks achieve remarkable performance improvement. However, they do not explicitly capture long-term motion…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Shiyu Zhao , Long Zhao , Zhixing Zhang , Enyu Zhou , Dimitris Metaxas

Structured network pruning excels non-structured methods because they can take advantage of the thriving developed parallel computing techniques. In this paper, we propose a new structured pruning method. Firstly, to create more structured…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Bojue Wang , Chunmei Ma , Bin Liu , Nianbo Liu , Jinqi Zhu

We introduce a new paradigm for generative modeling built on Continuous Normalizing Flows (CNFs), allowing us to train CNFs at unprecedented scale. Specifically, we present the notion of Flow Matching (FM), a simulation-free approach for…

机器学习 · 计算机科学 2023-02-09 Yaron Lipman , Ricky T. Q. Chen , Heli Ben-Hamu , Maximilian Nickel , Matt Le

In this work we review the coarse-to-fine spatial feature pyramid concept, which is used in state-of-the-art optical flow estimation networks to make exploration of the pixel flow search space computationally tractable and efficient. Within…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Markus Hofinger , Samuel Rota Bulò , Lorenzo Porzi , Arno Knapitsch , Thomas Pock , Peter Kontschieder

In dense foggy scenes, existing optical flow methods are erroneous. This is due to the degradation caused by dense fog particles that break the optical flow basic assumptions such as brightness and gradient constancy. To address the…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Wending Yan , Aashish Sharma , Robby T. Tan

Traditional feature encoding scheme (e.g., Fisher vector) with local descriptors (e.g., SIFT) and recent convolutional neural networks (CNNs) are two classes of successful methods for image recognition. In this paper, we propose a hybrid…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Zhe Wang , Limin Wang , Yali Wang , Bowen Zhang , Yu Qiao

In this paper, we study the problem of feature points description in the context of document analysis and template matching. Our study shows that the specific training data is required for the task especially if we are to train a…

计算机视觉与模式识别 · 计算机科学 2021-09-10 A. Sheshkus , A. Chirvonaya , V. L. Arlazarov

Discriminative features are critical for machine learning applications. Most existing deep learning approaches, however, rely on convolutional neural networks (CNNs) for learning features, whose discriminant power is not explicitly…

计算机视觉与模式识别 · 计算机科学 2018-04-24 Fusheng Hao , Jun Cheng , Lei Wang , Xinchao Wang , Jianzhong Cao , Xiping Hu , Dapeng Tao

We tackle the efficiency problem of learning local feature matching. Recent advancements have given rise to purely CNN-based and transformer-based approaches, each augmented with deep learning techniques. While CNN-based methods often excel…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Junjie Ni , Guofeng Zhang , Guanglin Li , Yijin Li , Xinyang Liu , Zhaoyang Huang , Hujun Bao

We propose a novel DNN based framework called the Enhanced Correlation Matching based Video Frame Interpolation Network to support high resolution like 4K, which has a large scale of motion and occlusion. Considering the extensibility of…

计算机视觉与模式识别 · 计算机科学 2021-11-18 Sungho Lee , Narae Choi , Woong Il Choi

In this work we introduce a novel, CNN-based architecture that can be trained end-to-end to deliver seamless scene segmentation results. Our goal is to predict consistent semantic segmentation and detection results by means of a panoptic…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Lorenzo Porzi , Samuel Rota Bulò , Aleksander Colovic , Peter Kontschieder

In the same vein of discriminative one-shot learning, Siamese networks allow recognizing an object from a single exemplar with the same class label. However, they do not take advantage of the underlying structure of the data and the…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Xingping Dong , Jianbing Shen , Dongming Wu , Kan Guo , Xiaogang Jin , Fatih Porikli