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We propose a method of aligning a source image to a target image, where the transform is specified by a dense vector field. The two images are encoded as feature hierarchies by siamese convolutional nets. Then a hierarchy of aligner modules…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Eric Mitchell , Stefan Keselj , Sergiy Popovych , Davit Buniatyan , H. Sebastian Seung

This work presents an innovative method for point set self-embedding, that encodes the structural information of a dense point set into its sparser version in a visual but imperceptible form. The self-embedded point set can function as the…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Ruihui Li , Xianzhi Li , Tien-Tsin Wong , Chi-Wing Fu

Although the distortion correction of fisheye images has been extensively studied, the correction of fisheye videos is still an elusive challenge. For different frames of the fisheye video, the existing image correction methods ignore the…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Shangrong Yang , Chunyu Lin , Kang Liao , Yao Zhao

Learning light-weight yet expressive deep networks in both image synthesis and image recognition remains a challenging problem. Inspired by a more recent observation that it is the data-specificity that makes the multi-head self-attention…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Jianghao Shen , Tianfu Wu

Capturing large fields of view with only one camera is an important aspect in surveillance and automotive applications, but the wide-angle fisheye imagery thus obtained exhibits very special characteristics that may not be very well suited…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Andrea Eichenseer , Michel Bätz , Jürgen Seiler , André Kaup

Automated segmentation plays a pivotal role in medical image analysis and computer-assisted interventions. Despite the promising performance of existing methods based on convolutional neural networks (CNNs), they neglect useful equivariant…

图像与视频处理 · 电气工程与系统科学 2025-01-27 Jiazhen Zhang , Yuexi Du , Nicha C. Dvornek , John A. Onofrey

Deep convolutional neural networks (CNNs) based approaches have achieved great performance in video matting. Many of these methods can produce accurate alpha estimation for the target body but typically yield fuzzy or incorrect target…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Jianming Xian

Recently, end-to-end trainable deep neural networks have significantly improved stereo depth estimation for perspective images. However, 360{\deg} images captured under equirectangular projection cannot benefit from directly adopting…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Ning-Hsu Wang , Bolivar Solarte , Yi-Hsuan Tsai , Wei-Chen Chiu , Min Sun

The desire for cameras with smaller form factors has recently lead to a push for exploring computational imaging systems with reduced optical complexity such as a smaller number of lens elements. Unfortunately such simplified optical…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Shi Mao , Yogeshwar Nath Mishra , Wolfgang Heidrich

Fisheye cameras prove a convenient means in surveillance and automotive applications as they provide a very wide field of view for capturing their surroundings. Contrary to typical rectilinear imagery, however, fisheye video sequences…

图像与视频处理 · 电气工程与系统科学 2022-12-05 Andrea Eichenseer , Michel Bätz , André Kaup

Local feature matching between images remains a challenging task, especially in the presence of significant appearance variations, e.g., extreme viewpoint changes. In this work, we propose DeepMatcher, a deep Transformer-based network built…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Tao Xie , Kun Dai , Ke Wang , Ruifeng Li , Lijun Zhao

This paper presents a generic 6DOF camera pose estimation method, which can be used for both the pinhole camera and the fish-eye camera. Different from existing methods, relative positions of 3D points rather than absolute coordinates in…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Zhaobing Kang , Wei Zou , Zheng Zhu , Chi Zhang , Hongxuan Ma

End-to-end scene text spotting, which unifies text detection and recognition within a single framework, has witnessed remarkable progress driven by deep learning advances. However, most existing approaches still suffer from incomplete mask…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Antonio Colombo , Giovanni Bianchi

Capturing the shape and spatially-varying appearance (SVBRDF) of an object from images is a challenging task that has applications in both computer vision and graphics. Traditional optimization-based approaches often need a large number of…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Mark Boss , Varun Jampani , Kihwan Kim , Hendrik P. A. Lensch , Jan Kautz

The current state-of-the-art for image annotation and image retrieval tasks is obtained through deep neural networks, which combine an image representation and a text representation into a shared embedding space. In this paper we evaluate…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Armand Vilalta , Dario Garcia-Gasulla , Ferran Parés , Eduard Ayguadé , Jesus Labarta , Ulises Cortés , Toyotaro Suzumura

A neural network targeting at unsupervised image anomaly localization, called the PEDENet, is proposed in this work. PEDENet contains a patch embedding (PE) network, a density estimation (DE) network, and an auxiliary network called the…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Kaitai Zhang , Bin Wang , C. -C. Jay Kuo

While nowadays deep neural networks achieve impressive performances on semantic segmentation tasks, they are usually trained by optimizing pixel-wise losses such as cross-entropy. As a result, the predictions outputted by such networks…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Yifu Chen , Arnaud Dapogny , Matthieu Cord

Food images present unique challenges for few-shot learning models due to their visual complexity and variability. For instance, a pasta dish might appear with various garnishes on different plates and in diverse lighting conditions and…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Javier Rodenas , Eduardo Aguilar , Petia Radeva

Classification of partially occluded images is a highly challenging computer vision problem even for the cutting edge deep learning technologies. To achieve a robust image classification for occluded images, this paper proposes a novel…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Feng Cen , Guanghui Wang

Object detection is a comprehensively studied problem in autonomous driving. However, it has been relatively less explored in the case of fisheye cameras. The standard bounding box fails in fisheye cameras due to the strong radial…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Hazem Rashed , Eslam Mohamed , Ganesh Sistu , Varun Ravi Kumar , Ciaran Eising , Ahmad El-Sallab , Senthil Yogamani