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This research focuses on the development and enhancement of text-to-image denoising diffusion models, addressing key challenges such as limited sample diversity and training instability. By incorporating Classifier-Free Guidance (CFG) and…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Rajdeep Roshan Sahu

Feature selection is fundamental to robust data-centric AI, but most existing methods optimize predictive performance under a single data distribution. This often selects spurious features that fail under distribution shifts. Motivated by…

机器学习 · 计算机科学 2026-03-24 Arun Vignesh Malarkkan , Xinyuan Wang , Kunpeng Liu , Denghui Zhang , Yanjie Fu

Recent breakthroughs in radiance fields have significantly advanced 3D scene reconstruction and novel view synthesis (NVS) in autonomous driving. Nevertheless, critical limitations persist: reconstruction-based methods exhibit substantial…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Yingshuang Zou , Yikang Ding , Chuanrui Zhang , Jiazhe Guo , Bohan Li , Xiaoyang Lyu , Feiyang Tan , Xiaojuan Qi , Haoqian Wang

The detection and grounding of manipulated content in multimodal data has emerged as a critical challenge in media forensics. While existing benchmarks demonstrate technical progress, they suffer from misalignment artifacts that poorly…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Jinjie Shen , Yaxiong Wang , Lechao Cheng , Nan Pu , Zhun Zhong

Recently, several point-based image editing methods (e.g., DragDiffusion, FreeDrag, DragNoise) have emerged, yielding precise and high-quality results based on user instructions. However, these methods often make insufficient use of…

计算机视觉与模式识别 · 计算机科学 2024-12-04 DuoSheng Chen , Binghui Chen , Yifeng Geng , Liefeng Bo

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…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Alakh Desai , Nuno Vasconcelos

Single Domain Generalization (SDG) aims to train models that maintain consistent performance across diverse scenarios using data from a single source. While latent diffusion models (LDMs) show promise for augmenting limited source data, our…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Hao Li , Yubin Xiao , Ke Liang , Mengzhu Wang , Long Lan , Kenli Li , Xinwang Liu

Adapting text-to-image (T2I) latent diffusion models (LDMs) to video editing has shown strong visual fidelity and controllability, but challenges remain in maintaining causal relationships inherent to the video data generating process.…

With the rapid advancement of diffusion-based generative models, Stable Diffusion (SD) has emerged as a state-of-the-art framework for high-fidelity im-age synthesis. However, existing SD models suffer from suboptimal feature aggregation,…

图形学 · 计算机科学 2025-07-21 Zhen-Qi Chen , Yuan-Fu Yang

Local feature detection and description play an important role in many computer vision tasks, which are designed to detect and describe keypoints in "any scene" and "any downstream task". Data-driven local feature learning methods need to…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Jingqian Wu , Rongtao Xu , Zach Wood-Doughty , Changwei Wang , Shibiao Xu , Edmund Y. Lam

While text-to-video diffusion models have advanced significantly, creating coherent long-form content remains unreliable due to stochastic sampling artifacts. This necessitates generating multiple candidates, yet verifying them creates a…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Daewon Yoon , Hyeongseok Lee , Wonsik Shin , Sangyu Han , Nojun Kwak

We present a novel image editing scenario termed Text-grounded Object Generation (TOG), defined as generating a new object in the real image spatially conditioned by textual descriptions. Existing diffusion models exhibit limitations of…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Xiangtian Xue , Jiasong Wu , Youyong Kong , Lotfi Senhadji , Huazhong Shu

Open-vocabulary segmentation models such as SAM3 perform well across broad categories via text prompting, yet degrade when target classes are visually underrepresented in pretraining or depart from canonical depictions-limitations text…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Abderrahmene Boudiaf , Irfan Hussain , Sajid Javed

Machine learning methods, such as diffusion models, are widely explored as a promising way to accelerate high-fidelity fluid dynamics computation via a super-resolution process from faster-to-compute low-fidelity input. However, existing…

计算工程、金融与科学 · 计算机科学 2025-12-24 Ruoyan Li , Zijie Huang , Haixin Wang , Guancheng Wan , Yizhou Sun , Wei Wang

Diffusion transformers (DiTs) have emerged as a dominant architecture for text-to-image generation, yet their performance drops when generating at resolutions beyond their training range. Existing training-free approaches mitigate this by…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Javad Rajabi , Kimia Shaban , Koorosh Roohi , David B. Lindell , Babak Taati

Semi-supervised learning addresses label scarcity and high annotation costs in medical image segmentation by exploiting the latent information in unlabeled data to enhance model performance. Traditional discriminative segmentation relies on…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Kaiwen Huang , Yi Zhou , Yizhe Zhang , Jingxiong Li , Tao Zhou

Deep-learning video super-resolution has progressed rapidly, but climate applications typically super-resolve (increase resolution) either space or time, and joint spatiotemporal models are often designed for a single pair of…

机器学习 · 计算机科学 2026-04-24 Max Defez , Filippo Quarenghi , Mathieu Vrac , Stephan Mandt , Tom Beucler

Due to storage and bandwidth limitations, videos transmitted over the Internet often exhibit low quality, characterized by low-resolution and compression artifacts. Although video super-resolution (VSR) is an efficient video enhancing…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Hongyu An , Xinfeng Zhang , Shijie Zhao , Li Zhang , Ruiqin Xiong

Guidance techniques are simple yet effective for improving conditional generation in diffusion models. Albeit their empirical success, the practical implementation of guidance diverges significantly from its theoretical motivation. In this…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Zhengqi Gao , Kaiwen Zha , Tianyuan Zhang , Zihui Xue , Duane S. Boning

With efficient appearance learning models, Discriminative Correlation Filter (DCF) has been proven to be very successful in recent video object tracking benchmarks and competitions. However, the existing DCF paradigm suffers from two major…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Tianyang Xu , Zhen-Hua Feng , Xiao-Jun Wu , Josef Kittler