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Unified multimodal understanding and generation models recently have achieve significant improvement in image generation capability, yet a large gap remains in instruction following and detail preservation compared to systems that tightly…

We present ASSET, a neural architecture for automatically modifying an input high-resolution image according to a user's edits on its semantic segmentation map. Our architecture is based on a transformer with a novel attention mechanism.…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Difan Liu , Sandesh Shetty , Tobias Hinz , Matthew Fisher , Richard Zhang , Taesung Park , Evangelos Kalogerakis

Unsupervised semantic segmentation is a challenging task that segments images into semantic groups without manual annotation. Prior works have primarily focused on leveraging prior knowledge of semantic consistency or priori concepts from…

计算机视觉与模式识别 · 计算机科学 2023-10-30 Mengcheng Lan , Xinjiang Wang , Yiping Ke , Jiaxing Xu , Litong Feng , Wayne Zhang

This paper addresses the task of semantic segmentation in computer vision, aiming to achieve precise pixel-wise classification. We investigate the joint training of models for semantic edge detection and semantic segmentation, which has…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Dan Zhang , Rui Zheng , Luosang Gadeng , Pei Yang

While recent developments in text-to-image generative models have led to a suite of high-performing methods capable of producing creative imagery from free-form text, there are several limitations. By analyzing the cross-attention…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Aishwarya Agarwal , Srikrishna Karanam , K J Joseph , Apoorv Saxena , Koustava Goswami , Balaji Vasan Srinivasan

Diffusion models have recently received increasing research attention for their remarkable transfer abilities in semantic segmentation tasks. However, generating fine-grained segmentation masks with diffusion models often requires…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Koichi Namekata , Amirmojtaba Sabour , Sanja Fidler , Seung Wook Kim

Diffusion Transformers (DiT) have become the de-facto model for generating high-quality visual content like videos and images. A huge bottleneck is the attention mechanism where complexity scales quadratically with resolution and video…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Ruichen Chen , Keith G. Mills , Liyao Jiang , Chao Gao , Di Niu

We present a deep learning strategy that enables, for the first time, contrast-agnostic semantic segmentation of completely unpreprocessed brain MRI scans, without requiring additional training or fine-tuning for new modalities. Classical…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Benjamin Billot , Douglas Greve , Koen Van Leemput , Bruce Fischl , Juan Eugenio Iglesias , Adrian V. Dalca

Monocular depth estimation and semantic segmentation are two fundamental goals of scene understanding. Due to the advantages of task interaction, many works study the joint task learning algorithm. However, most existing methods fail to…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Tianxiao Gao , Wu Wei , Zhongbin Cai , Zhun Fan , Shane Xie , Xinmei Wang , Qiuda Yu

We introduce segmentation-free guidance, a novel method designed for text-to-image diffusion models like Stable Diffusion. Our method does not require retraining of the diffusion model. At no additional compute cost, it uses the diffusion…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Kambiz Azarian , Debasmit Das , Qiqi Hou , Fatih Porikli

Existing EEG-driven image reconstruction methods often overlook spatial attention mechanisms, limiting fidelity and semantic coherence. To address this, we propose a dual-conditioning framework that combines EEG embeddings with spatial…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Igor Abramov , Ilya Makarov

We explore the role of attention mechanism during inference in text-conditional diffusion models. Empirical observations suggest that cross-attention outputs converge to a fixed point after several inference steps. The convergence time…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Haozhe Liu , Wentian Zhang , Jinheng Xie , Francesco Faccio , Mengmeng Xu , Tao Xiang , Mike Zheng Shou , Juan-Manuel Perez-Rua , Jürgen Schmidhuber

Generating high-quality labeled image datasets is crucial for training accurate and robust machine learning models in the field of computer vision. However, the process of manually labeling real images is often time-consuming and costly. To…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Michael Shenoda , Edward Kim

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Edge detection is typically viewed as a pixel-level classification problem mainly addressed by discriminative methods. Recently, generative edge detection methods, especially diffusion model based solutions, are initialized in the edge…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Caixia Zhou , Yaping Huang , Mochu Xiang , Jiahui Ren , Haibin Ling , Jing Zhang

Diffusion-based editing enables realistic modification of local image regions, making AI-generated content harder to detect. Existing AIGC detection benchmarks focus on classifying entire images, overlooking the localization of…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Hai Ci , Ziheng Peng , Pei Yang , Yingxin Xuan , Mike Zheng Shou

Test-time scaling through reward-guided generation remains largely unexplored for discrete diffusion models despite its potential as a promising alternative. In this work, we introduce Iterative Reward-Guided Refinement (IterRef), a novel…

机器学习 · 计算机科学 2025-11-11 Sanghyun Lee , Sunwoo Kim , Seungryong Kim , Jongho Park , Dongmin Park

While vision-language models like CLIP have shown remarkable success in open-vocabulary tasks, their application is currently confined to image-level tasks, and they still struggle with dense predictions. Recent works often attribute such…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuhang Yang , Jinhong Deng , Wen Li , Lixin Duan

Image segmentation based on continual learning exhibits a critical drop of performance, mainly due to catastrophic forgetting and background shift, as they are required to incorporate new classes continually. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Weijia Wu , Yuzhong Zhao , Zhuang Li , Lianlei Shan , Hong Zhou , Mike Zheng Shou

High-quality pixel-level annotations of medical images are essential for supervised segmentation tasks, but obtaining such annotations is costly and requires medical expertise. To address this challenge, we propose a novel coarse-to-fine…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Anghong Du , Nay Aung , Theodoros N. Arvanitis , Stefan K. Piechnik , Joao A C Lima , Steffen E. Petersen , Le Zhang