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In this paper we introduce a novel neural network architecture based on Fast Hough Transform layer. The layer of this type allows our neural network to accumulate features from linear areas across the entire image instead of local areas. We…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Alexander Sheshkus , Anastasia Ingacheva , Vladimir Arlazarov , Dmitry Nikolaev

As an important part of linear perspective, vanishing points (VPs) provide useful clues for mapping objects from 2D photos to 3D space. Existing methods are mainly focused on extracting structural features such as lines or contours and then…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yin-Bo Liu , Ming Zeng , Qing-Hao Meng

We present a simple yet effective end-to-end trainable deep network with geometry-inspired convolutional operators for detecting vanishing points in images. Traditional convolutional neural networks rely on aggregating edge features and do…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Yichao Zhou , Haozhi Qi , Jingwei Huang , Yi Ma

Deep learning has improved vanishing point detection in images. Yet, deep networks require expensive annotated datasets trained on costly hardware and do not generalize to even slightly different domains, and minor problem variants. Here,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Yancong Lin , Ruben Wiersma , Silvia L. Pintea , Klaus Hildebrandt , Elmar Eisemann , Jan C. van Gemert

Image denoising is an essential tool in computational photography. Standard denoising techniques, which use deep neural networks at their core, require pairs of clean and noisy images for its training. If we do not possess the clean…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 David Honzátko , Siavash A. Bigdeli , Engin Türetken , L. Andrea Dunbar

Some conventional transforms such as Discrete Walsh-Hadamard Transform (DWHT) and Discrete Cosine Transform (DCT) have been widely used as feature extractors in image processing but rarely applied in neural networks. However, we found that…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Joonhyun Jeong , Sung-Ho Bae

The task of lane detection has garnered considerable attention in the field of autonomous driving due to its complexity. Lanes can present difficulties for detection, as they can be narrow, fragmented, and often obscured by heavy traffic.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Jia-Qi Zhang , Hao-Bin Duan , Jun-Long Chen , Ariel Shamir , Miao Wang

We present a novel approach for vanishing point detection from uncalibrated monocular images. In contrast to state-of-the-art, we make no a priori assumptions about the observed scene. Our method is based on a convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Florian Kluger , Hanno Ackermann , Michael Ying Yang , Bodo Rosenhahn

We introduce a transformer-based neural network for the accurate classification of real and bogus transient detections in astronomical images. This network advances beyond the conventional convolutional neural network (CNN) methods, widely…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Adi Inada , Masao Sako , Tatiana Acero-Cuellar , Federica Bianco

We propose a novel method for detecting horizontal vanishing points and the zenith vanishing point in man-made environments. The dominant trend in existing methods is to first find candidate vanishing points, then remove outliers by…

Computer Vision and Pattern Recognition · Computer Science 2016-08-22 Menghua Zhai , Scott Workman , Nathan Jacobs

Linear perspective is widely used in landscape photography to create the impression of depth on a 2D photo. Automated understanding of linear perspective in landscape photography has several real-world applications, including aesthetics…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Zihan Zhou , Farshid Farhat , James Z. Wang

Recently, works on improving the naturalness of stitching images gain more and more extensive attention. Previous methods suffer the failures of severe projective distortion and unnatural rotation, especially when the number of involved…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Kai Chen , Jian Yao , Jingmin Tu , Yahui Liu , Yinxuan Li , Li Li

Deep hamming hashing has gained growing popularity in approximate nearest neighbour search for large-scale image retrieval. Until now, the deep hashing for the image retrieval community has been dominated by convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yongbiao Chen , Sheng Zhang , Fangxin Liu , Zhigang Chang , Mang Ye , Zhengwei Qi

Image keypoints and descriptors play a crucial role in many visual measurement tasks. In recent years, deep neural networks have been widely used to improve the performance of keypoint and descriptor extraction. However, the conventional…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Xiaoming Zhao , Xingming Wu , Weihai Chen , Peter C. Y. Chen , Qingsong Xu , Zhengguo Li

Although automatic shot transition detection approaches are already investigated for more than two decades, an effective universal human-level model was not proposed yet. Even for common shot transitions like hard cuts or simple gradual…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Tomáš Souček , Jakub Lokoč

Image decomposition is a crucial subject in the field of image processing. It can extract salient features from the source image. We propose a new image decomposition method based on convolutional neural network. This method can be applied…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Yu Fu , Xiao-Jun Wu , Josef Kittler

Very low resolution (VLR) image recognition corresponds to classifying images with resolution 16x16 or less. Though it has widespread applicability when objects are captured at a very large stand-off distance (e.g. surveillance scenario) or…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Maneet Singh , Shruti Nagpal , Richa Singh , Mayank Vatsa

Rectifying the orientation of images represents a daily task for every photographer. This task may be complicated even for the human eye, especially when the horizon or other horizontal and vertical lines in the image are missing. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Ionut Mironica , Andrei Zugravu

Given a pedestrian image as a query, the purpose of person re-identification is to identify the correct match from a large collection of gallery images depicting the same person captured by disjoint camera views. The critical challenge is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Lin Wu , Yang Wang

We consider the problem of face swapping in images, where an input identity is transformed into a target identity while preserving pose, facial expression, and lighting. To perform this mapping, we use convolutional neural networks trained…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Iryna Korshunova , Wenzhe Shi , Joni Dambre , Lucas Theis
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