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Diffusion models (DMs) have demonstrated an unparalleled ability to create diverse and high-fidelity images from text prompts. However, they are also well-known to vary substantially regarding both prompt adherence and quality. Negative…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Alakh Desai , Nuno Vasconcelos

Video saliency prediction aims to identify the regions in a video that attract human attention and gaze, driven by bottom-up features from the video and top-down processes like memory and cognition. Among these top-down influences, language…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Yolo Yunlong Tang , Gen Zhan , Li Yang , Yiting Liao , Chenliang Xu

Imitation Learning offers a promising approach to learn directly from data without requiring explicit models, simulations, or detailed task definitions. During inference, actions are sampled from the learned distribution and executed on the…

Robotics · Computer Science 2025-10-28 Amirreza Razmjoo , Sylvain Calinon , Michael Gienger , Fan Zhang

Super-resolution remains a promising technique to enhance the quality of low-resolution images. This study introduces CATformer (Contrastive Adversarial Transformer), a novel neural network integrating diffusion-inspired feature refinement…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Qinyi Tian , Spence Cox , Laura E. Dalton

Forecasting the life-cycle trajectory of a newly launched product is important for launch planning, resource allocation, and early risk assessment. This task is especially difficult in the pre-launch and early post-launch phases, when…

Machine Learning · Computer Science 2026-04-23 Ruihan Zhou , Zishi Zhang , Jinhui Han , Yijie Peng , Xiaowei Zhang

Safety-critical scenarios are infrequent in natural driving environments but hold significant importance for the training and testing of autonomous driving systems. The prevailing approach involves generating safety-critical scenarios…

Machine Learning · Computer Science 2024-10-14 Yuting Xie , Xianda Guo , Cong Wang , Kunhua Liu , Long Chen

The remarkable success of large-scale contrastive pre-training has been largely driven by by vast yet static datasets. However, as the scaling paradigm evolves, this paradigm encounters a fundamental challenge when applied to dynamic data…

Machine Learning · Computer Science 2025-11-25 Xiaoyu Yang , Jie Lu , En Yu , Wei Duan

In recent years, deep face recognition methods have demonstrated impressive results on in-the-wild datasets. However, these methods have shown a significant decline in performance when applied to real-world low-resolution benchmarks like…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Hossein Kashiani , Nasser M. Nasrabadi

Contextual clinical reasoning demands robust inference grounded in complex, heterogeneous clinical records. While state-of-the-art fine-tuning, in-context learning (ICL), and retrieval-augmented generation (RAG) enable knowledge exposure,…

Quantitative Methods · Quantitative Biology 2026-04-09 Chuang Zhao , Hongke Zhao , Xiaofang Zhou , Xiaomeng Li

Recent research has focused on designing neural samplers that amortize the process of sampling from unnormalized densities. However, despite significant advancements, they still fall short of the state-of-the-art MCMC approach, Parallel…

Cross-domain recommender (CDR) systems aim to transfer knowledge from data-rich domains to data-sparse ones, alleviating sparsity and cold-start issues present in conventional single-domain recommenders. However, many CDR approaches rely on…

Information Retrieval · Computer Science 2026-03-03 Ziyin Xiao , Toyotaro Suzumura

We study Comparative Preference Classification (CPC) which aims at predicting whether a preference comparison exists between two entities in a given sentence and, if so, which entity is preferred over the other. High-quality CPC models can…

Computation and Language · Computer Science 2021-09-10 Zeyu Li , Yilong Qin , Zihan Liu , Wei Wang

Diffusion model deployment has been suffering from high energy consumption and inference latency despite its superior performance in visual generation tasks. Dynamic voltage and frequency scaling (DVFS) offers a promising solution to…

Hardware Architecture · Computer Science 2026-04-13 Jinqi Wen , Tong Xie , Runsheng Wang , Meng Li

Diffusion-based generative models (DGMs) have recently attracted attention in speech enhancement research (SE) as previous works showed a remarkable generalization capability. However, DGMs are also computationally intensive, as they…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Chenda Li , Samuele Cornell , Shinji Watanabe , Yanmin Qian

Continuous diffusion models have demonstrated remarkable performance in data generation across various domains, yet their efficiency remains constrained by two critical limitations: (1) the local adjacency structure of the forward Markov…

Machine Learning · Statistics 2025-05-29 Xunpeng Huang , Yingyu Lin , Nikki Lijing Kuang , Hanze Dong , Difan Zou , Yian Ma , Tong Zhang

Reranking plays a crucial role in modern multi-stage recommender systems by rearranging the initial ranking list to model interplay between items. Considering the inherent challenges of reranking such as combinatorial searching space, some…

Information Retrieval · Computer Science 2023-08-15 Xiao Lin , Xiaokai Chen , Chenyang Wang , Hantao Shu , Linfeng Song , Biao Li , Peng jiang

Simulation is critical for safety evaluation in autonomous driving, particularly in capturing complex interactive behaviors. However, generating realistic and controllable traffic scenarios in long-tail situations remains a significant…

Artificial Intelligence · Computer Science 2025-05-28 Haohong Lin , Xin Huang , Tung Phan-Minh , David S. Hayden , Huan Zhang , Ding Zhao , Siddhartha Srinivasa , Eric M. Wolff , Hongge Chen

Learning domain adaptive policies that can generalize to unseen transition dynamics, remains a fundamental challenge in learning-based control. Substantial progress has been made through domain representation learning to capture…

Machine Learning · Computer Science 2026-03-31 Pengcheng Wang , Qinghang Liu , Haotian Lin , Yiheng Li , Guojian Zhan , Masayoshi Tomizuka , Yixiao Wang

Reading comprehension (RC) has been studied in a variety of datasets with the boosted performance brought by deep neural networks. However, the generalization capability of these models across different domains remains unclear. To alleviate…

Computation and Language · Computer Science 2020-07-28 Yu Cao , Meng Fang , Baosheng Yu , Joey Tianyi Zhou

Diffusion Probabilistic Models (DPMs) have achieved significant success in generative tasks. However, their training and sampling processes suffer from the issue of distribution mismatch. During the denoising process, the input data…

Machine Learning · Computer Science 2025-02-25 Zekun Wang , Mingyang Yi , Shuchen Xue , Zhenguo Li , Ming Liu , Bing Qin , Zhi-Ming Ma