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We show that pre-trained Generative Adversarial Networks (GANs) such as StyleGAN and BigGAN can be used as a latent bank to improve the performance of image super-resolution. While most existing perceptual-oriented approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Kelvin C. K. Chan , Xiangyu Xu , Xintao Wang , Jinwei Gu , Chen Change Loy

We investigate group coding for arbitrary finite groups acting linearly on a vector space. These yield robust codes based on real or complex matrix groups. We give necessary and sufficient conditions for correct subgroup decoding using…

Combinatorics · Mathematics 2013-11-28 Hye Jung Kim , J. B. Nation , Anne V. Shepler

In recent years, the use of deep learning is becoming increasingly popular in computer vision. However, the effective training of deep architectures usually relies on huge sets of annotated data. This is critical in the medical field where…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Paolo Andreini , Simone Bonechi , Monica Bianchini , Alessandro Mecocci , Franco Scarselli , Andrea Sodi

Group convolutional neural networks (G-CNNs) can be used to improve classical CNNs by equipping them with the geometric structure of groups. Central in the success of G-CNNs is the lifting of feature maps to higher dimensional disentangled…

Machine Learning · Computer Science 2021-03-23 Erik J Bekkers

Inspired by the human visual perception system, hexagonal image processing in the context of machine learning deals with the development of image processing systems that combine the advantages of evolutionary motivated structures based on…

Machine Learning · Computer Science 2024-06-11 Tobias Schlosser , Michael Friedrich , Danny Kowerko

Despite the astonishing performance of deep-learning based approaches for visual tasks such as semantic segmentation, they are known to produce miscalibrated predictions, which could be harmful for critical decision-making processes.…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Agostina J. Larrazabal , César Martínez , Jose Dolz , Enzo Ferrante

In this paper, we consider the problem of super-resolution recons-truction. This is a hot topic because super-resolution reconstruction has a wide range of applications in the medical field, remote sensing monitoring, and criminal…

Image and Video Processing · Electrical Eng. & Systems 2019-07-25 Qi Zhang , Huafeng Wang , Sichen Yang

Detecting symmetry is crucial for effective object grasping for several reasons. Recognizing symmetrical features or axes within an object helps in developing efficient grasp strategies, as grasping along these axes typically results in a…

Robotics · Computer Science 2026-02-10 Omar Tahri

Cutting and pasting image segments feels intuitive: the choice of source templates gives artists flexibility in recombining existing source material. Formally, this process takes an image set as input and outputs a collage of the set…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Nikolay Jetchev , Urs Bergmann , Gökhan Yildirim

Generating photorealistic images of human subjects in any unseen pose have crucial applications in generating a complete appearance model of the subject. However, from a computer vision perspective, this task becomes significantly…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Arnab Karmakar , Deepak Mishra

In this work, we introduce a novel deep learning architecture, Variable Length Embeddings (VLEs), an autoregressive model that can produce a latent representation composed of an arbitrary number of tokens. As a proof of concept, we…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Johnathan Chiu , Andi Gu , Matt Zhou

The arithmetic mean/geometric mean-inequality (AM/GM-inequality) facilitates classes of non-negativity certificates and of relaxation techniques for polynomials and, more generally, for exponential sums. Here, we present a first systematic…

Optimization and Control · Mathematics 2021-12-09 Philippe Moustrou , Helen Naumann , Cordian Riener , Thorsten Theobald , Hugues Verdure

Deep metric learning has yielded impressive results in tasks such as clustering and image retrieval by leveraging neural networks to obtain highly discriminative feature embeddings, which can be used to group samples into different classes.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Ismail Elezi , Jenny Seidenschwarz , Laurin Wagner , Sebastiano Vascon , Alessandro Torcinovich , Marcello Pelillo , Laura Leal-Taixe

As recent generative models can generate photo-realistic images, people seek to understand the mechanism behind the generation process. Interpretable generation process is beneficial to various image editing applications. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Yu-Ding Lu , Hsin-Ying Lee , Hung-Yu Tseng , Ming-Hsuan Yang

The use of coarse-grained layouts for controllable synthesis of complex scene images via deep generative models has recently gained popularity. However, results of current approaches still fall short of their promise of high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Manuel Jahn , Robin Rombach , Björn Ommer

Generative adversarial networks (GANs) can now generate photo-realistic images. However, how to best control the image content remains an open challenge. We introduce LatentKeypointGAN, a two-stage GAN internally conditioned on a set of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-10 Xingzhe He , Bastian Wandt , Helge Rhodin

Transformers are a popular choice for classification tasks and as backbones for object detection tasks. However, their high latency brings challenges in their adaptation to lightweight object detection systems. We present an approximation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Dharma KC , Venkata Ravi Kiran Dayana , Meng-Lin Wu , Venkateswara Rao Cherukuri , Hau Hwang

This paper proposes a novel approach to performing image-to-image translation between unpaired domains. Rather than relying on a cycle constraint, our method takes advantage of collaboration between various GANs. This results in a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Ori Nizan , Ayellet Tal

Synthetic lethality (SL) prediction is used to identify if the co-mutation of two genes results in cell death. The prevalent strategy is to abstract SL prediction as an edge classification task on gene nodes within SL data and achieve it…

Machine Learning · Computer Science 2023-10-18 Xusheng Zhao , Hao Liu , Qiong Dai , Hao Peng , Xu Bai , Huailiang Peng

We present several theoretical contributions which allow Lie groups to be fit to high dimensional datasets. Transformation operators are represented in their eigen-basis, reducing the computational complexity of parameter estimation to that…

Computer Vision and Pattern Recognition · Computer Science 2017-06-08 Jascha Sohl-Dickstein , Ching Ming Wang , Bruno A. Olshausen