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The performance of facial super-resolution methods relies on their ability to recover facial structures and salient features effectively. Even though the convolutional neural network and generative adversarial network-based methods deliver…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Umapada Pal

There are many factors affecting visual face recognition, such as low resolution images, aging, illumination and pose variance, etc. One of the most important problem is low resolution face images which can result in bad performance on face…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Bayram Bayramli , Usman Ali , Te Qi , Hongtao Lu

In this paper, we address the issue of face hallucination. Most current face hallucination methods rely on two-dimensional facial priors to generate high resolution face images from low resolution face images. These methods are only capable…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Shailza Sharma , Abhinav Dhall , Vinay Kumar

In this paper, we address the problem of face hallucination by proposing a novel multi-scale generative adversarial network (GAN) architecture optimized for face verification. First, we propose a multi-scale generator architecture for face…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Hadi Kazemi , Fariborz Taherkhani , Nasser M. Nasrabadi

Large language models are extensively applied across a wide range of tasks, such as customer support, content creation, educational tutoring, and providing financial guidance. However, a well-known drawback is their predisposition to…

Computation and Language · Computer Science 2024-07-08 Noa Nonkes , Sergei Agaronian , Evangelos Kanoulas , Roxana Petcu

Visual illusions are a very useful tool for vision scientists, because they allow them to better probe the limits, thresholds and errors of the visual system. In this work we introduce the first ever framework to generate novel visual…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Alexander Gomez-Villa , Adrian Martín , Javier Vazquez-Corral , Jesús Malo , Marcelo Bertalmío

Generative models are increasingly used to improve the quality of medical imaging, such as reconstruction of magnetic resonance images and computed tomography. However, it is well-known that such models are susceptible to hallucinations:…

Image and Video Processing · Electrical Eng. & Systems 2026-02-24 Suna Buğday , Yvan Saeys , Jonathan Peck

This paper presents a novel approach for deep visualization via a generative network, offering an improvement over existing methods. Our model simplifies the architecture by reducing the number of networks used, requiring only a generator…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Athanasios Karagounis

Neural sequence generation models are known to "hallucinate", by producing outputs that are unrelated to the source text. These hallucinations are potentially harmful, yet it remains unclear in what conditions they arise and how to mitigate…

Computation and Language · Computer Science 2023-02-28 Weijia Xu , Sweta Agrawal , Eleftheria Briakou , Marianna J. Martindale , Marine Carpuat

While Vision-Language Models (VLMs) have garnered increasing attention in the AI community due to their promising practical applications, they exhibit persistent hallucination issues, generating outputs misaligned with visual inputs. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Jiayu Hu , Beibei Li , Jiangwei Xia , Yanjun Qin , Bing Ji , Zhongshi He

Generative Adversarial Networks (GANs) have recently achieved impressive results for many real-world applications, and many GAN variants have emerged with improvements in sample quality and training stability. However, they have not been…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 David Bau , Jun-Yan Zhu , Hendrik Strobelt , Bolei Zhou , Joshua B. Tenenbaum , William T. Freeman , Antonio Torralba

Vision-Language Models (VLMs) frequently "hallucinate" - generate plausible yet factually incorrect statements - posing a critical barrier to their trustworthy deployment. In this work, we propose a new paradigm for diagnosing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Lexiang Xiong , Qi Li , Jingwen Ye , Xinchao Wang

Vision-language models (VLMs) have recently shown remarkable capabilities in visual understanding and generation, but remain vulnerable to adversarial manipulations of visual content. Prior object-hiding attacks primarily rely on…

Cryptography and Security · Computer Science 2026-03-18 Amira Guesmi , Muhammad Shafique

A foveated image can be entirely reconstructed from a sparse set of samples distributed according to the retinal sensitivity of the human visual system, which rapidly decreases with increasing eccentricity. The use of Generative Adversarial…

Graphics · Computer Science 2023-04-18 Luca Surace , Marek Wernikowski , Cara Tursun , Karol Myszkowski , Radosław Mantiuk , Piotr Didyk

Large vision-language models (LVLMs) suffer from hallucination a lot, generating responses that apparently contradict to the image content occasionally. The key problem lies in its weak ability to comprehend detailed content in a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Zhiyang Chen , Yousong Zhu , Yufei Zhan , Zhaowen Li , Chaoyang Zhao , Jinqiao Wang , Ming Tang

Generative models are prone to hallucinations: plausible but incorrect structures absent in the ground truth. This issue is problematic in image restoration for safety-critical domains such as medical imaging, industrial inspection, and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Seunghoi Kim , Henry F. J. Tregidgo , Chen Jin , Matteo Figini , Daniel C. Alexander

The gap between sensing patterns of different face modalities remains a challenging problem in heterogeneous face recognition (HFR). This paper proposes an adversarial discriminative feature learning framework to close the sensing gap via…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Lingxiao Song , Man Zhang , Xiang Wu , Ran He

Face hallucination is a domain-specific super-resolution problem that aims to generate a high-resolution (HR) face image from a low-resolution~(LR) input. In contrast to the existing patch-wise super-resolution models that divide a face…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Yukai Shi , Guanbin Li , Qingxing Cao , Keze Wang , Liang Lin

Generative adversarial networks (GANs) are one powerful type of deep learning models that have been successfully utilized in numerous fields. They belong to a broader family called generative methods, which generate new data with a…

This paper presents a novel concept learning framework for enhancing model interpretability and performance in visual classification tasks. Our approach appends an unsupervised explanation generator to the primary classifier network and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Tanmay Garg , Deepika Vemuri , Vineeth N Balasubramanian
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