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Motivated by the need to study the molecular mechanism underlying Type 1 Diabetes (T1D) with the gene expression data collected from both the patients and healthy controls at multiple time points, we propose an innovative method for jointly…

统计方法学 · 统计学 2018-12-10 Bochao Jia , Faming Liang , the TEDDY Study Group

We present IQA-Spider, the first image quality assessment (IQA) framework that unifies reasoning, grounding, and referring into a single LMM-based framework for multi-granularity quality understanding. Existing LMM-based IQA methods…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Xinge Peng , Yiting Lu , Xin Li , Zhibo Chen

Diffusion models have recently emerged as a promising framework for Image Restoration (IR), owing to their ability to produce high-quality reconstructions and their compatibility with established methods. Existing methods for solving noisy…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Kyungsung Lee , Donggyu Lee , Myungjoo Kang

The problem of identifying change points in high-dimensional Gaussian graphical models (GGMs) in an online fashion is of interest, due to new applications in biology, economics and social sciences. The offline version of the problem, where…

统计理论 · 数学 2020-03-18 Hossein Keshavarz , George Michailidis

Image quality assessment (IQA) plays a critical role in optimizing radiation dose and developing novel medical imaging techniques in computed tomography (CT). Traditional IQA methods relying on hand-crafted features have limitations in…

图像与视频处理 · 电气工程与系统科学 2023-11-15 Tao Song , Ruizhi Hou , Lisong Dai , Lei Xiang

Standard Gaussian graphical models (GGMs) implicitly assume that the conditional independence among variables is common to all observations in the sample. However, in practice, observations are usually collected form heterogeneous…

统计方法学 · 统计学 2010-01-26 Abel Rodriguez , Alex Lenkoski , Adrian Dobra

Due to the scarcity of labeled samples in Image Quality Assessment (IQA) datasets, numerous recent studies have proposed multi-task based strategies, which explore feature information from other tasks or domains to boost the IQA task.…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Li Yu

The popularity of streaming videos with live, high-action content has led to an increased interest in High Frame Rate (HFR) videos. In this work we address the problem of frame rate dependent Video Quality Assessment (VQA) when the videos…

多媒体 · 计算机科学 2021-09-28 Pavan C Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Learning-based image quality assessment (IQA) has made remarkable progress in the past decade, but nearly all consider the two key components -- model and data -- in isolation. Specifically, model-centric IQA focuses on developing…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Peibei Cao , Dingquan Li , Kede Ma

We propose estimating Gaussian graphical models (GGMs) that are fair with respect to sensitive nodal attributes. Many real-world models exhibit unfair discriminatory behavior due to biases in data. Such discrimination is known to be…

机器学习 · 统计学 2024-06-17 Madeline Navarro , Samuel Rey , Andrei Buciulea , Antonio G. Marques , Santiago Segarra

Recent advances in diffusion models have led to a quantum leap in the quality of generative visual content. However, quantification of realism of the content is still challenging. Existing evaluation metrics, such as Inception Score and…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Yunzhuo Chen , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Image Quality Assessment (IQA) constitutes a fundamental task within the field of computer vision, yet it remains an unresolved challenge, owing to the intricate distortion conditions, diverse image contents, and limited availability of…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Kangmin Xu , Liang Liao , Jing Xiao , Chaofeng Chen , Haoning Wu , Qiong Yan , Weisi Lin

Image quality assessment (IQA) forms a natural and often straightforward undertaking for humans, yet effective automation of the task remains highly challenging. Recent metrics from the deep learning community commonly compare image pairs…

计算机视觉与模式识别 · 计算机科学 2022-11-11 William Thong , Jose Costa Pereira , Sarah Parisot , Ales Leonardis , Steven McDonagh

Semi-supervised learning enhances medical image segmentation by leveraging unlabeled data, reducing reliance on extensive labeled datasets. On the one hand, the distribution discrepancy between limited labeled data and abundant unlabeled…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Lianyuan Yu , Xiuzhen Guo , Ji Shi , Hongxiao Wang , Hongwei Li

This paper presents a novel strategy for high-fidelity image restoration by characterizing both local smoothness and nonlocal self-similarity of natural images in a unified statistical manner. The main contributions are three-folds. First,…

多媒体 · 计算机科学 2014-05-14 Jian Zhang , Debin Zhao , Ruiqin Xiong , Siwei Ma , Wen Gao

In recent years, deep neural networks have been utilized in a wide variety of applications including image generation. In particular, generative adversarial networks (GANs) are able to produce highly realistic pictures as part of tasks such…

图像与视频处理 · 电气工程与系统科学 2020-04-20 Hyunsuk Ko , Dae Yeol Lee , Seunghyun Cho , Alan C. Bovik

Recent advances in reasoning-induced image quality assessment (IQA) have demonstrated the power of reinforcement learning to rank (RL2R) for training vision-language models (VLMs) to assess perceptual quality. However, existing approaches…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Xiangyong Chen , Xiaochuan Lin , Haoran Liu , Xuan Li , Yichen Su , Xiangwei Guo

Text-to-video retrieval requires precise alignment between language and temporally rich audio-video signals. However, existing methods often emphasize visual cues while underutilizing audio semantics or relying on coarse fusion strategies,…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Bowen Yang , Yun Cao , Chen He , Xiaosu Su

Weakly-supervised semantic segmentation (WSSS), which aims to train segmentation models solely using image-level labels, has achieved significant attention. Existing methods primarily focus on generating high-quality pseudo labels using…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Wangyu Wu , Tianhong Dai , Xiaowei Huang , Fei Ma , Jimin Xiao

The popularity of image sharing on social media and the engagement it creates between users reflects the important role that visual context plays in everyday conversations. We present a novel task, Image-Grounded Conversations (IGC), in…