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Hallucination in large language models (LLMs) continues to be a significant issue, particularly in tasks like question answering, where models often generate plausible yet incorrect or irrelevant information. Although various methods have…

计算与语言 · 计算机科学 2026-04-09 Ziqin Luo , Yihao Quan , Xiaofeng Zhang , Xiaosong Yuan , Chen Shen

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. To tackle this challenge, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Jing Jin , Junhui Hou , Jie Chen , Sam Kwong , Jingyi Yu

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…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Umapada Pal

Most face super-resolution methods assume that low-resolution and high-resolution manifolds have similar local geometrical structure, hence learn local models on the lowresolution manifolds (e.g. sparse or locally linear embedding models),…

计算机视觉与模式识别 · 计算机科学 2015-12-21 Reuben Farrugia , Christine Guillemot

Multimodal large language models (MLLMs) frequently suffer from object hallucinations, yet the visual perceptual mechanism underlying this failure remains poorly understood. In this work, we reveal that hallucinations are strongly…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Quanjiang Li , Zhiming Liu , Wei Luo , Tingjin Luo , Chenping Hou

Inspired by the philosophy employed by human beings to determine whether a presented face example is genuine or not, i.e., to glance at the example globally first and then carefully observe the local regions to gain more discriminative…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Rizhao Cai , Haoliang Li , Shiqi Wang , Changsheng Chen , Alex Chichung Kot

Large language model hallucination represents a critical challenge where outputs deviate from factual accuracy due to distributional biases in training data. While recent investigations establish that specific hidden layers exhibit…

计算与语言 · 计算机科学 2025-09-29 Wenkai Wang , Vincent Lee , Yizhen Zheng

Recent works based on deep learning and facial priors have succeeded in super-resolving severely degraded facial images. However, the prior knowledge is not fully exploited in existing methods, since facial priors such as landmark and…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Cheng Ma , Zhenyu Jiang , Yongming Rao , Jiwen Lu , Jie Zhou

Vision-language models (VLMs) raise growing concerns about privacy, copyright, and bias, motivating machine unlearning to remove sensitive knowledge. However, existing methods primarily fine-tune the language decoder, leading to superficial…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Kaidi Jia , Yujie Lin , Chengyi Yang , Jiayao Ma , Jinsong Su

Recent deep learning based face recognition methods have achieved great performance, but it still remains challenging to recognize very low-resolution query face like 28x28 pixels when CCTV camera is far from the captured subject. Such face…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Hanyang Kong , Jian Zhao , Xiaoguang Tu , Junliang Xing , Shengmei Shen , Jiashi Feng

The performance of face detection has been largely improved with the development of convolutional neural network. However, the occlusion issue due to mask and sunglasses, is still a challenging problem. The improvement on the recall of…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Jianfeng Wang , Ye Yuan , Gang Yu

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…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Hadi Kazemi , Fariborz Taherkhani , Nasser M. Nasrabadi

Face hallucination is a generative task to super-resolve the facial image with low resolution while human perception of face heavily relies on identity information. However, previous face hallucination approaches largely ignore facial…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Kaipeng Zhang , Zhanpeng Zhang , Chia-Wen Cheng , Winston H. Hsu , Yu Qiao , Wei Liu , Tong Zhang

Multimodal large reasoning models (MLRMs) often suffer from hallucinations that stem not only from insufficient visual grounding but also from imbalanced allocation between perception and reasoning processes. Building upon recent…

人工智能 · 计算机科学 2026-03-10 Haolang Lu , Bolun Chu , WeiYe Fu , Guoshun Nan , Junning Liu , Minghui Pan , Qiankun Li , Yi Yu , Hua Wang , Kun Wang

General image super-resolution techniques have difficulties in recovering detailed face structures when applying to low resolution face images. Recent deep learning based methods tailored for face images have achieved improved performance…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Chaofeng Chen , Dihong Gong , Hao Wang , Zhifeng Li , Kwan-Yee K. Wong

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

Hallucination, the generation of factually incorrect information, remains a significant challenge for large language models (LLMs), especially in open-domain long-form generation. Existing approaches for detecting hallucination in long-form…

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…

计算机视觉与模式识别 · 计算机科学 2017-09-13 Lingxiao Song , Man Zhang , Xiang Wu , Ran He

Face Super-Resolution (SR) is a subfield of the SR domain that specifically targets the reconstruction of face images. The main challenge of face SR is to restore essential facial features without distortion. We propose a novel face SR…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Deokyun Kim , Minseon Kim , Gihyun Kwon , Dae-Shik Kim

Understanding human actions in videos requires more than raw pixel analysis; it relies on high-level semantic reasoning and effective integration of multimodal features. We propose a deep translational action recognition framework that…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Lei Wang , Piotr Koniusz