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Despite significant improvements on the image generation performance of Generative Adversarial Networks (GANs), generations with low visual fidelity still have been observed. As widely used metrics for GANs focus more on the overall…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Haedong Jeong , Jiyeon Han , Jaesik Choi

This paper tackles the problem of learning a finer representation than the one provided by training labels. This enables fine-grained category retrieval of images in a collection annotated with coarse labels only. Our network is learned…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Hugo Touvron , Alexandre Sablayrolles , Matthijs Douze , Matthieu Cord , Hervé Jégou

Advances in unsupervised learning of object-representations have culminated in the development of a broad range of methods for unsupervised object segmentation and interpretable object-centric scene generation. These methods, however, are…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Martin Engelcke , Oiwi Parker Jones , Ingmar Posner

Conventional physically based rendering (PBR) pipelines generate photorealistic images through computationally intensive light transport simulations. Although recent deep learning approaches leverage diffusion model priors with geometry…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Shenghao Zhang , Runtao Liu , Christopher Schroers , Yang Zhang

Computing the gradient of an image is a common step in computer vision pipelines. The image gradient quantifies the magnitude and direction of edges in an image and is used in creating features for downstream machine learning tasks.…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Shouvik Mani

Training-free guided sampling in diffusion models leverages off-the-shelf pre-trained networks, such as an aesthetic evaluation model, to guide the generation process. Current training-free guided sampling algorithms obtain the guidance…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Jiachun Pan , Hanshu Yan , Jun Hao Liew , Jiashi Feng , Vincent Y. F. Tan

Per-scene optimization methods such as 3D Gaussian Splatting provide state-of-the-art novel view synthesis quality but extrapolate poorly to under-observed areas. Methods that leverage generative priors to correct artifacts in these areas…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Riccardo de Lutio , Tobias Fischer , Yen-Yu Chang , Yuxuan Zhang , Jay Zhangjie Wu , Xuanchi Ren , Tianchang Shen , Katarina Tothova , Zan Gojcic , Haithem Turki

In recent years, learning-based color and tone enhancement methods for photos have become increasingly popular. However, most learning-based image enhancement methods just learn a mapping from one distribution to another based on one…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Shiqi Gao , Huiyu Duan , Xinyue Li , Kang Fu , Yicong Peng , Qihang Xu , Yuanyuan Chang , Jia Wang , Xiongkuo Min , Guangtao Zhai

This work investigates how the traditional image classification pipelines can be extended into a deep architecture, inspired by recent successes of deep neural networks. We propose a deep boosting framework based on layer-by-layer joint…

计算机视觉与模式识别 · 计算机科学 2015-08-12 Zhanglin Peng , Ya Li , Zhaoquan Cai , Liang Lin

Recently, generated images could reach very high quality, even human eyes could not tell them apart from real images. Although there are already some methods for detecting generated images in current forensic community, most of these…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Xinsheng Xuan , Bo Peng , Wei Wang , Jing Dong

Diffusion language models (DLMs) have recently demonstrated capabilities that complement standard autoregressive (AR) models, particularly in non-sequential generation and bidirectional editing. Although recent work has shown that…

机器学习 · 计算机科学 2026-05-11 Fred Zhangzhi Peng , Alexis Fox , Anru R. Zhang , Alexander Tong

Drawing on recent advancements in diffusion models for text-to-image generation, identity-preserved personalization has made significant progress in accurately capturing specific identities with just a single reference image. However,…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Yi Wu , Ziqiang Li , Heliang Zheng , Chaoyue Wang , Bin Li

Synthetic data generation is an important application of machine learning in the field of medical imaging. While existing approaches have successfully applied fine-tuned diffusion models for synthesizing medical images, we explore potential…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Lakshmi Nair

Rectified Flow text-to-image models surpass diffusion models in image quality and text alignment, but adapting ReFlow for real-image editing remains challenging. We propose a new real-image editing method for ReFlow by analyzing the…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Jimyeong Kim , Jungwon Park , Yeji Song , Nojun Kwak , Wonjong Rhee

Recent text-guided image editing (TIE) models have made remarkable progress, yet edited images still frequently suffer from fine-grained issues such as unnatural objects, lighting mismatch, and unexpected changes. Existing refinement…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Zitong Xu , Huiyu Duan , Yifei Nie , Mingda Du , Sijing Wu , Xiongkuo Min , Tianyi Zheng , Jian Zhang , Shusong Xu , Jinwei Chen , Bo Li , Guangtao Zhai

Although diffusion models can generate high-quality human images, their applications are limited by the instability in generating hands with correct structures. In this paper, we introduce RHanDS, a conditional diffusion-based framework…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Chengrui Wang , Pengfei Liu , Min Zhou , Ming Zeng , Xubin Li , Tiezheng Ge , Bo zheng

Generative models, including diffusion and flow-based models, often exhibit systematic biases that degrade sample quality, particularly in high-dimensional settings. We revisit refinement methods and show that effective bias correction can…

机器学习 · 计算机科学 2026-01-30 Xin Peng , Ang Gao

The task of image generation started to receive some attention from artists and designers to inspire them in new creations. However, exploiting the results of deep generative models such as Generative Adversarial Networks can be long and…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Baptiste Rozière , Morgane Riviere , Olivier Teytaud , Jérémy Rapin , Yann LeCun , Camille Couprie

Accurate camera calibration is a fundamental task for 3D perception, especially when dealing with real-world, in-the-wild environments where complex optical distortions are common. Existing methods often rely on pre-rectified images or…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Liuyue Xie , Jiancong Guo , Ozan Cakmakci , Andre Araujo , Laszlo A. Jeni , Zhiheng Jia

Layers have become indispensable tools for professional artists, allowing them to build a hierarchical structure that enables independent control over individual visual elements. In this paper, we propose LayeringDiff, a novel pipeline for…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Kyoungkook Kang , Gyujin Sim , Geonung Kim , Donguk Kim , Seungho Nam , Sunghyun Cho