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Recent advances in 3D generative models have rapidly improved image-to-3D synthesis quality, enabling higher-resolution geometry and more realistic appearance. Yet fidelity, which measures pixel-level faithfulness of the generated 3D asset…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Dong-Yang Li , Wang Zhao , Yuxin Chen , Wenbo Hu , Meng-Hao Guo , Fang-Lue Zhang , Ying Shan , Shi-Min Hu

Most urban applications necessitate building footprints in the form of concise vector graphics with sharp boundaries rather than pixel-wise raster images. This need contrasts with the majority of existing methods, which typically generate…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Haojia Yu , Han Hu , Bo Xu , Qisen Shang , Zhendong Wang , Qing Zhu

Deep networks are increasingly being applied to problems involving image synthesis, e.g., generating images from textual descriptions and reconstructing an input image from a compact representation. Supervised training of image-synthesis…

机器学习 · 计算机科学 2017-01-25 Jake Snell , Karl Ridgeway , Renjie Liao , Brett D. Roads , Michael C. Mozer , Richard S. Zemel

Diffusion models face a fundamental trade-off between generation quality and computational efficiency. Latent Diffusion Models (LDMs) offer an efficient solution but suffer from potential information loss and non-end-to-end training. In…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Zhennan Chen , Junwei Zhu , Xu Chen , Jiangning Zhang , Xiaobin Hu , Hanzhen Zhao , Chengjie Wang , Jian Yang , Ying Tai

Pixel-level fine-grained image editing remains an open challenge. Previous works fail to achieve an ideal trade-off between control granularity and inference speed. They either fail to achieve pixel-level fine-grained control, or their…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Pengxiang Cai , Zhiwei Liu , Guibo Zhu , Yunfang Niu , Jinqiao Wang

Pixel binning is considered one of the most prominent solutions to tackle the hardware limitation of smartphone cameras. Despite numerous advantages, such an image sensor has to appropriate an artefact-prone non-Bayer colour filter array…

计算机视觉与模式识别 · 计算机科学 2021-04-20 SMA Sharif , Rizwan Ali Naqvi , Mithun Biswas

Recent advances in diffusion models have driven remarkable progress in image generation. However, the generation process remains computationally intensive, and users often need to iteratively refine prompts to achieve the desired results,…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yi Wei , Shunpu Tang , Liang Zhao , Qiangian Yang

Dataset distillation aims to compress a dataset into a much smaller one so that a model trained on the distilled dataset achieves high accuracy. Current methods frame this as maximizing the distilled classification accuracy for a budget of…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Asaf Shul , Eliahu Horwitz , Yedid Hoshen

Shadows are essential for realistic image compositing. Physics-based shadow rendering methods require 3D geometries, which are not always available. Deep learning-based shadow synthesis methods learn a mapping from the light information to…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Yichen Sheng , Yifan Liu , Jianming Zhang , Wei Yin , A. Cengiz Oztireli , He Zhang , Zhe Lin , Eli Shechtman , Bedrich Benes

Autoregressive models have achieved significant success in image generation. However, unlike the inherent hierarchical structure of image information in the spectral domain, standard autoregressive methods typically generate pixels…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Zhihao Huang , Xi Qiu , Yukuo Ma , Yifu Zhou , Junjie Chen , Hongyuan Zhang , Chi Zhang , Xuelong Li

In this paper, we propose a multi-stage and high-resolution model for image synthesis that uses fine-grained attributes and masks as input. With a fine-grained attribute, the proposed model can detailedly constrain the features of the…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Pengyang Li , Donghui Wang

Recent advances in diffusion-based generative models have demonstrated significant potential in augmenting scarce datasets for object detection tasks. Nevertheless, most recent models rely on resource-intensive full fine-tuning of…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Alvaro Patricio , Atabak Dehban , Rodrigo Ventura

Pre-trained diffusion models excel at generating high-quality images but remain inherently limited by their native training resolution. Recent training-free approaches have attempted to overcome this constraint by introducing interventions…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hong-Phuc Lai , Phong Nguyen , Anh Tran

The primary challenge in accelerating image super-resolution lies in reducing computation while maintaining performance and adaptability. Motivated by the observation that high-frequency regions (e.g., edges and textures) are most critical…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Wei Shang , Dongwei Ren , Wanying Zhang , Pengfei Zhu , Qinghua Hu , Wangmeng Zuo

Recent advances in image-based 3D human shape estimation have been driven by the significant improvement in representation power afforded by deep neural networks. Although current approaches have demonstrated the potential in real world…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Shunsuke Saito , Tomas Simon , Jason Saragih , Hanbyul Joo

Diffusion models have been shown to implicitly generate visual content autoregressively in the frequency domain, where low-frequency components are generated earlier in the denoising process while high-frequency details emerge only in later…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Howard Xiao , Brian Chao , Lior Yariv , Gordon Wetzstein

The diffusion model performs remarkable in generating high-dimensional content but is computationally intensive, especially during training. We propose Progressive Growing of Diffusion Autoencoder (PaGoDA), a novel pipeline that reduces the…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Dongjun Kim , Chieh-Hsin Lai , Wei-Hsiang Liao , Yuhta Takida , Naoki Murata , Toshimitsu Uesaka , Yuki Mitsufuji , Stefano Ermon

A novel method for detecting CNN-generated images, called Attentive PixelHop (or A-PixelHop), is proposed in this work. It has three advantages: 1) low computational complexity and a small model size, 2) high detection performance against a…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Yao Zhu , Xinyu Wang , Hong-Shuo Chen , Ronald Salloum , C. -C. Jay Kuo

Over-segmentation of an image into superpixels has become a useful tool for solving various problems in image processing and computer vision. Reflection symmetry is quite prevalent in both natural and man-made objects and is an essential…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Rajendra Nagar , Shanmuganathan Raman

Edge detection, as a fundamental task in computer vision, has garnered increasing attention. The advent of deep learning has significantly advanced this field. However, recent deep learning-based methods generally face two significant…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Changsong Liu , Wei Zhang , Yanyan Liu , Mingyang Li , Wenlin Li , Yimeng Fan , Xiangnan Bai , Liang Zhang