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Traditionally, data valuation (DV) is posed as a problem of equitably splitting the validation performance of a learning algorithm among the training data. As a result, the calculated data values depend on many design choices of the…

机器学习 · 计算机科学 2023-12-21 Hoang Anh Just , Feiyang Kang , Jiachen T. Wang , Yi Zeng , Myeongseob Ko , Ming Jin , Ruoxi Jia

Online reinforcement learning (RL) with sparse rewards poses a challenge partly because of the lack of feedback on states leading to the goal. Furthermore, expert offline data with reward signal is rarely available to provide this feedback…

机器学习 · 计算机科学 2025-03-25 Nitish Dashora , Dibya Ghosh , Sergey Levine

Blind video quality assessment (BVQA) plays an indispensable role in monitoring and improving the end-users' viewing experience in various real-world video-enabled media applications. As an experimental field, the improvements of BVQA…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Wei Sun , Wen Wen , Xiongkuo Min , Long Lan , Guangtao Zhai , Kede Ma

The data scaling law has been shown to significantly enhance the performance of large multi-modal models (LMMs) across various downstream tasks. However, in the domain of perceptual video quality assessment (VQA), the potential of scaling…

Compressed video quality enhancement (CVQE) is crucial for improving user experience with lossy video codecs like H.264/AVC, H.265/HEVC, and H.266/VVC. While deep learning based CVQE has driven significant progress, existing surveys still…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Xiem HoangVan , Dang BuiDinh , Sang NguyenQuang , Wen-Hsiao Peng

In this paper, we propose a deep learning framework based on randomized neural network. In particular, inspired by the principles of Random Vector Functional Link (RVFL) network, we present a deep RVFL network (dRVFL) with stacked layers.…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Rakesh Katuwal , P. N. Suganthan , M. Tanveer

Neural View Synthesis (NVS), such as NeRF and 3D Gaussian Splatting, effectively creates photorealistic scenes from sparse viewpoints, typically evaluated by quality assessment methods like PSNR, SSIM, and LPIPS. However, these…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Qiang Qu , Yiran Shen , Xiaoming Chen , Yuk Ying Chung , Weidong Cai , Tongliang Liu

Large language models (LLMs) trained via pretraining and supervised fine-tuning (SFT) can still produce harmful and misaligned outputs, or struggle in domains like math and coding. Reinforcement learning (RL)-based post-training methods,…

We introduce CausalVQA, a benchmark dataset for video question answering (VQA) composed of question-answer pairs that probe models' understanding of causality in the physical world. Existing VQA benchmarks either tend to focus on surface…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Aaron Foss , Chloe Evans , Sasha Mitts , Koustuv Sinha , Ammar Rizvi , Justine T. Kao

No-Reference Image Quality Assessment (NR-IQA) aims to assess the perceptual quality of images in accordance with human subjective perception. Unfortunately, existing NR-IQA methods are far from meeting the needs of predicting accurate…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Sidi Yang , Tianhe Wu , Shuwei Shi , Shanshan Lao , Yuan Gong , Mingdeng Cao , Jiahao Wang , Yujiu Yang

Video Quality Assessment (VQA) aims to evaluate video quality based on perceptual distortions and human preferences. Despite the promising performance of existing methods using Convolutional Neural Networks (CNNs) and Vision Transformers…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Wei-Ting Chen , Yu-Jiet Vong , Yi-Tsung Lee , Sy-Yen Kuo , Qiang Gao , Sizhuo Ma , Jian Wang

Visually Rich Documents (VRDs) play a vital role in domains such as academia, finance, healthcare, and marketing, as they convey information through a combination of text, layout, and visual elements. Traditional approaches to extracting…

计算与语言 · 计算机科学 2025-06-23 Yihao Ding , Soyeon Caren Han , Jean Lee , Eduard Hovy

Perceptual video quality assessment (VQA) is an integral component of many streaming and video sharing platforms. Here we consider the problem of learning perceptually relevant video quality representations in a self-supervised manner.…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

3D Visual Question-Answering (3D VQA) is pivotal for models to perceive the physical world and perform spatial reasoning. Answer-centric supervision is a commonly used training method for 3D VQA models. Many models that utilize this…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Shengli Zhou , Jianuo Zhu , Qilin Huang , Fangjing Wang , Yanfu Zhang , Feng Zheng

This paper develops a novel rating-based reinforcement learning approach that uses human ratings to obtain human guidance in reinforcement learning. Different from the existing preference-based and ranking-based reinforcement learning…

机器学习 · 计算机科学 2024-01-30 Devin White , Mingkang Wu , Ellen Novoseller , Vernon J. Lawhern , Nicholas Waytowich , Yongcan Cao

Contemporary face recognition (FR) models achieve near-ideal recognition performance in constrained settings, yet do not fully translate the performance to unconstrained (realworld) scenarios. To help improve the performance and stability…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Žiga Babnik , Naser Damer , Vitomir Štruc

Recent advancements in Large Video Language Models (LVLMs) have highlighted their potential for multi-modal understanding, yet evaluating their factual grounding in videos remains a critical unsolved challenge. To address this gap, we…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Meng Cao , Pengfei Hu , Yingyao Wang , Jihao Gu , Haoran Tang , Haoze Zhao , Chen Wang , Jiahua Dong , Wangbo Yu , Ge Zhang , Jun Song , Xiang Li , Bo Zheng , Ian Reid , Xiaodan Liang

The scaling of large language models to encode all the world's knowledge in model parameters is unsustainable and has exacerbated resource barriers. Retrieval-Augmented Generation (RAG) presents a potential solution, yet its application to…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Varun Nagaraj Rao , Siddharth Choudhary , Aditya Deshpande , Ravi Kumar Satzoda , Srikar Appalaraju

Face Recognition (FR) plays a crucial role in many critical (high-stakes) applications, where errors in the recognition process can lead to serious consequences. Face Image Quality Assessment (FIQA) techniques enhance FR systems by…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Žiga Babnik , Deepak Kumar Jain , Peter Peer , Vitomir Štruc

This paper concerns a deep learning approach to relevance ranking in information retrieval (IR). Existing deep IR models such as DSSM and CDSSM directly apply neural networks to generate ranking scores, without explicit understandings of…

信息检索 · 计算机科学 2019-07-23 Liang Pang , Yanyan Lan , Jiafeng Guo , Jun Xu , Jingfang Xu , Xueqi Cheng