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Solving inverse problems without any training involves using a pretrained generative model and making appropriate modifications to the generation process to avoid finetuning of the generative model. While recent methods have explored the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ashwini Pokle , Matthew J. Muckley , Ricky T. Q. Chen , Brian Karrer

Vision-Language Models (VLMs) have demonstrated strong performance on multimodal reasoning tasks, but their deployment remains challenging due to high inference latency and computational cost, particularly when processing high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Putu Indah Githa Cahyani , Komang David Dananjaya Suartana , Novanto Yudistira

Leveraging the large generative prior of the flow transformer for tuning-free image editing requires authentic inversion to project the image into the model's domain and a flexible invariance control mechanism to preserve non-target…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Pengcheng Xu , Boyuan Jiang , Xiaobin Hu , Donghao Luo , Qingdong He , Jiangning Zhang , Chengjie Wang , Yunsheng Wu , Charles Ling , Boyu Wang

Portrait Fidelity Generation is a prominent research area in generative models.Current methods face challenges in generating full-body images with low-resolution faces, especially in multi-ID photo phenomenon.To tackle these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Zhaoli Deng , Fanyi Wang , Junkang Zhang , Fan Chen , Meng Zhang , Wendong Zhang , Wen Liu , Zhenpeng Mi

Text-guided image generation and editing using diffusion models have achieved remarkable advancements. Among these, tuning-free methods have gained attention for their ability to perform edits without extensive model adjustments, offering…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Wenyi Mo , Tianyu Zhang , Yalong Bai , Bing Su , Ji-Rong Wen

Diffusion Large Language Models (DLLMs) promise fast parallel generation, yet open-source DLLMs still face a severe quality-speed trade-off: accelerating decoding by revealing multiple tokens often causes substantial quality degradation. We…

Computation and Language · Computer Science 2026-05-19 Fanqin Zeng , Feng Hong , Geng Yu , Huangjie Zheng , Xiaofeng Cao , Ya Zhang , Bo Han , Yanfeng Wang , Jiangchao Yao

We present FreeMorph, the first tuning-free method for image morphing that accommodates inputs with different semantics or layouts. Unlike existing methods that rely on finetuning pre-trained diffusion models and are limited by time…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Yukang Cao , Chenyang Si , Jinghao Wang , Ziwei Liu

Text-driven diffusion models have significantly advanced the image editing performance by using text prompts as inputs. One crucial step in text-driven image editing is to invert the original image into a latent noise code conditioned on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Ruibin Li , Ruihuang Li , Song Guo , Lei Zhang

Adapter-based methods are commonly used to enhance model performance with minimal additional complexity, especially in video editing tasks that require frame-to-frame consistency. By inserting small, learnable modules into pretrained…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Xinyuan Song , Yangfan He , Sida Li , Jianhui Wang , Hongyang He , Xinhang Yuan , Ruoyu Wang , Jiaqi Chen , Keqin Li , Kuan Lu , Menghao Huo , Binxu Li , Pei Liu

Despite their remarkable performance, modern Diffusion Transformers are hindered by substantial resource requirements during inference, stemming from the fixed and large amount of compute needed for each denoising step. In this work, we…

Video question-answering is a fundamental task in the field of video understanding. Although current vision--language models (VLMs) equipped with Video Transformers have enabled temporal modeling and yielded superior results, they are at…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria

In recent years, deep learning methods have been extensively developed for inverse imaging problems (IIPs), encompassing supervised, self-supervised, and generative approaches. Most of these methods require large amounts of labeled or…

Image and Video Processing · Electrical Eng. & Systems 2025-12-04 Ismail Alkhouri , Evan Bell , Avrajit Ghosh , Shijun Liang , Rongrong Wang , Saiprasad Ravishankar

This paper presents a video inversion approach for zero-shot video editing, which models the input video with low-rank representation during the inversion process. The existing video editing methods usually apply the typical 2D DDIM…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Maomao Li , Yu Li , Tianyu Yang , Yunfei Liu , Dongxu Yue , Zhihui Lin , Dong Xu

In this work, we address dynamic view synthesis from monocular videos as an inverse problem in a training-free setting. By redesigning the noise initialization phase of a pre-trained video diffusion model, we enable high-fidelity dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Hidir Yesiltepe , Pinar Yanardag

Diffusion models have quickly risen in popularity for their ability to model complex distributions and perform effective posterior sampling. Unfortunately, the iterative nature of these generative models makes them computationally expensive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tristan S. W. Stevens , Oisín Nolan , Jean-Luc Robert , Ruud J. G. van Sloun

Due to lack of fully publicly available text-to-video models, current video editing methods tend to build on pre-trained text-to-image generation models, however, they still face grand challenges in dealing with the local editing of video…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Deyin Liu , Lin Yuanbo Wu , Xianghua Xie

Diffusion Transformers (DiT) have attracted significant attention in research. However, they suffer from a slow convergence rate. In this paper, we aim to accelerate DiT training without any architectural modification. We identify the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Jingfeng Yao , Wang Cheng , Wenyu Liu , Xinggang Wang

In recent years, diffusion models have demonstrated remarkable success in high-fidelity image synthesis. However, fine-tuning these models for specialized domains, such as medical imaging, remains challenging due to limited domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Ruchir Namjoshi , Nagasai Thadishetty , Vignesh Kumar , Hemanth Venkateshwara

Collecting multi-view driving scenario videos to enhance the performance of 3D visual perception tasks presents significant challenges and incurs substantial costs, making generative models for realistic data an appealing alternative. Yet,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Junpeng Jiang , Gangyi Hong , Miao Zhang , Hengtong Hu , Kun Zhan , Rui Shao , Liqiang Nie

The paper presents a new method of depth estimation dedicated for free-viewpoint television (FTV). The estimation is performed for segments and thus their size can be used to control a trade-off between the quality of depth maps and the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Dawid Mieloch , Olgierd Stankiewicz , Marek Domański