activity
20242026
most citedPixel-level and Semantic-level Adjustable Super-resolution: A Dual-LoRA Approach

1 citations · 1 across the 11 of their papers we have counts for

collaborators

15 papers

cs.CV2026

Two Halves are More than One: Phase-wise Velocity Distillation for Fast and High-Quality Image Generation

Zhen Guo, Rongyuan Wu, Qiaosi Yi +3

Recent diffusion-based image generation backbones have grown substantially in scale, making the network inference cost increase rapidly. While diffusion distillation techniques can…

cs.CV2026

LDM-is-AE: Latent Diffusion Model is an Auto-Encoder for End-to-End Image Generation

Zhengqiang Zhang, Lingchen Sun, Rongyuan Wu +4

Latent Diffusion Models (LDMs) typically adopt a two-stage pipeline: an auto-encoder (AE) is first pre-trained to define a latent space, then a diffusion model is trained to perfor…

cs.CV2026

PixRestore: Unified Image Restoration via Pixel Diffusion Transformer

Lingchen Sun, Rongyuan Wu, Xiangtao Kong +6

Unified image restoration (UIR) aims to recover high-quality (HQ) content from low-quality (LQ) images with different degradations using a single model. Most recent methods adapt l…

cs.CV2026

Text-Vision Co-Instructed Image Editing

Chenxi Xie, Yuhui Wu, Qiaosi Yi +1

Existing image editing methods can be generally categorized into textual instruction-based and visual prompt-based ones. Textual instructions are semantically expressive, but are l…

cs.CV2026

NTIRE 2026 The Second Challenge on Day and Night Raindrop Removal for Dual-Focused Images: Methods and Results

Xin Li, Yeying Jin, Suhang Yao +95

This paper presents an overview of the NTIRE 2026 Second Challenge on Day and Night Raindrop Removal for Dual-Focused Images. Building upon the success of the first edition, this c…

cs.CV2026

LoViF 2026 Challenge on Real-World All-in-One Image Restoration: Methods and Results

Xiang Chen, Hao Li, Jiangxin Dong +54

This paper presents a review for the LoViF Challenge on Real-World All-in-One Image Restoration. The challenge aimed to advance research on real-world all-in-one image restoration…

cs.CV2026

GDPO-SR: Group Direct Preference Optimization for One-Step Generative Image Super-Resolution

Qiaosi Yi, Shuai Li, Rongyuan Wu +3

Recently, reinforcement learning (RL) has been employed for improving generative image super-resolution (ISR) performance. However, the current efforts are focused on multi-step ge…

cs.CV2026

CoCoEdit: Content-Consistent Image Editing via Region Regularized Reinforcement Learning

Yuhui Wu, Chenxi Xie, Ruibin Li +3

Image editing has achieved impressive results with the development of large-scale generative models. However, existing models mainly focus on the editing effects of intended object…

cs.CV2025

DPO-SR: Direct Perceptual Preference Optimization for Real-World Image Super-Resolution

Rongyuan Wu, Lingchen Sun, Zhengqiang Zhang +5

Benefiting from pre-trained text-to-image (T2I) diffusion models, real-world image super-resolution (Real-ISR) methods can synthesize rich and realistic details. However, due to th…

cs.CV2025

Fine-structure Preserved Real-world Image Super-resolution via Transfer VAE Training

Qiaosi Yi, Shuai Li, Rongyuan Wu +3

Impressive results on real-world image super-resolution (Real-ISR) have been achieved by employing pre-trained stable diffusion (SD) models. However, one critical issue of such met…

cs.CV2025

DNAEdit: Direct Noise Alignment for Text-Guided Rectified Flow Editing

Chenxi Xie, Minghan Li, Shuai Li +3

Leveraging the powerful generation capability of large-scale pretrained text-to-image models, training-free methods have demonstrated impressive image editing results. Conventional…

eess.IV2025

NTIRE 2025 the 2nd Restore Any Image Model (RAIM) in the Wild Challenge

Jie Liang, Radu Timofte, Qiaosi Yi +7

In this paper, we present a comprehensive overview of the NTIRE 2025 challenge on the 2nd Restore Any Image Model (RAIM) in the Wild. This challenge established a new benchmark for…

cs.CV2025

NTIRE 2025 Challenge on Day and Night Raindrop Removal for Dual-Focused Images: Methods and Results

Xin Li, Yeying Jin, Xin Jin +134

This paper reviews the NTIRE 2025 Challenge on Day and Night Raindrop Removal for Dual-Focused Images. This challenge received a wide range of impressive solutions, which are devel…

cs.CV2024★ 1 cited

Pixel-level and Semantic-level Adjustable Super-resolution: A Dual-LoRA Approach

Lingchen Sun, Rongyuan Wu, Zhiyuan Ma +3

Diffusion prior-based methods have shown impressive results in real-world image super-resolution (SR). However, most existing methods entangle pixel-level and semantic-level SR obj…

cs.CV2024

NTIRE 2024 Restore Any Image Model (RAIM) in the Wild Challenge

Jie Liang, Radu Timofte, Qiaosi Yi +6

In this paper, we review the NTIRE 2024 challenge on Restore Any Image Model (RAIM) in the Wild. The RAIM challenge constructed a benchmark for image restoration in the wild, inclu…