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Diffusion models have demonstrated their capability to synthesize high-quality and diverse images from textual prompts. However, simultaneous control over both global contexts (e.g., object layouts and interactions) and local details (e.g.,…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Moyuru Yamada

Recent advances in generative modeling with diffusion processes (DPs) enabled breakthroughs in image synthesis. Despite impressive image quality, these models have various prompt compliance problems, including low recall in generating…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Deepak Sridhar , Abhishek Peri , Rohith Rachala , Nuno Vasconcelos

For low-level computer vision and image processing ML tasks, training on large datasets is critical for generalization. However, the standard practice of relying on real-world images primarily from the Internet comes with image quality,…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Gyeongmin Choe , Beibei Du , Seonghyeon Nam , Xiaoyu Xiang , Bo Zhu , Rakesh Ranjan

Denosing diffusion model, as a generative model, has received a lot of attention in the field of image generation recently, thanks to its powerful generation capability. However, diffusion models have not yet received sufficient research in…

计算机视觉与模式识别 · 计算机科学 2023-04-12 ZiHan Cao , ShiQi Cao , Xiao Wu , JunMing Hou , Ran Ran , Liang-Jian Deng

We propose an effective denoising diffusion model for generating high-resolution images (e.g., 1024$\times$512), trained on small-size image patches (e.g., 64$\times$64). We name our algorithm Patch-DM, in which a new feature collage…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Zheng Ding , Mengqi Zhang , Jiajun Wu , Zhuowen Tu

Diffusion models have been widely used for conditional data cross-modal generation tasks such as text-to-image and text-to-video. However, state-of-the-art models still fail to align the generated visual concepts with high-level semantics…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Zizhao Hu , Shaochong Jia , Mohammad Rostami

The class-conditional image generation based on diffusion models is renowned for generating high-quality and diverse images. However, most prior efforts focus on generating images for general categories, e.g., 1000 classes in ImageNet-1k. A…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Ziying Pan , Kun Wang , Gang Li , Feihong He , Yongxuan Lai

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

Video models have recently been applied with success to problems in content generation, novel view synthesis, and, more broadly, world simulation. Many applications in generation and transfer rely on conditioning these models, typically…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Edoardo A. Dominici , Thomas Deixelberger , Konstantinos Vardis , Markus Steinberger

Low-light photography produces images with low signal-to-noise ratios due to limited photons. In such conditions, common approximations like the Gaussian noise model fall short, and many denoising techniques fail to remove noise…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Liying Lu , Raphaël Achddou , Sabine Süsstrunk

Diffusion models have revolutionized image generation and editing, producing state-of-the-art results in conditioned and unconditioned image synthesis. While current techniques enable user control over the degree of change in an image edit,…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Eran Levin , Ohad Fried

Denoising Diffusion models have exhibited remarkable capabilities in image generation. However, generating high-quality samples requires a large number of iterations. Knowledge distillation for diffusion models is an effective method to…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Shengzhe Zhou , Zejian Lee , Shengyuan Zhang , Lefan Hou , Changyuan Yang , Guang Yang , Zhiyuan Yang , Lingyun Sun

Recently, diffusion models have shown remarkable results in image synthesis by gradually removing noise and amplifying signals. Although the simple generative process surprisingly works well, is this the best way to generate image data? For…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Sangyun Lee , Hyungjin Chung , Jaehyeon Kim , Jong Chul Ye

Diffusion models generate images with an unprecedented level of quality, but how can we freely rearrange image layouts? Recent works generate controllable scenes via learning spatially disentangled latent codes, but these methods do not…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Jiawei Ren , Mengmeng Xu , Jui-Chieh Wu , Ziwei Liu , Tao Xiang , Antoine Toisoul

Few-shot image synthesis entails generating diverse and realistic images of novel categories using only a few example images. While multiple recent efforts in this direction have achieved impressive results, the existing approaches are…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Parul Gupta , Munawar Hayat , Abhinav Dhall , Thanh-Toan Do

Pixel diffusion aims to generate images directly in pixel space in an end-to-end fashion. This approach avoids the limitations of VAE in the two-stage latent diffusion, offering higher model capacity. Existing pixel diffusion models suffer…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Zehong Ma , Longhui Wei , Shuai Wang , Shiliang Zhang , Qi Tian

The depth completion task is a critical problem in autonomous driving, involving the generation of dense depth maps from sparse depth maps and RGB images. Most existing methods employ a spatial propagation network to iteratively refine the…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ming Yuan , Chuang Zhang , Lei He , Qing Xu , Jianqiang Wang

Deep denoising models require extensive real-world training data, which is challenging to acquire. Current noise synthesis techniques struggle to accurately model complex noise distributions. We propose a novel Realistic Noise Synthesis…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Qi Wu , Mingyan Han , Ting Jiang , Chengzhi Jiang , Jinting Luo , Man Jiang , Haoqiang Fan , Shuaicheng Liu

Diffusion models generate high-quality images through progressive denoising but are computationally intensive due to large model sizes and repeated sampling. Knowledge distillation, which transfers knowledge from a complex teacher to a…

机器学习 · 计算机科学 2025-04-04 Dohyun Kim , Sehwan Park , Geonhee Han , Seung Wook Kim , Paul Hongsuck Seo

Recent progress with conditional image diffusion models has been stunning, and this holds true whether we are speaking about models conditioned on a text description, a scene layout, or a sketch. Unconditional image diffusion models are…

计算机视觉与模式识别 · 计算机科学 2023-06-22 William Harvey , Frank Wood