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Pengyang Ling

11 accepted papers

2026

DiCache: Let Diffusion Model Determine Its Own Cache

ICLR 2026poster

Recent years have witnessed the rapid development of acceleration techniques for diffusion models, especially caching-based acceleration methods. These studies seek to answer two fundamental questions: _"When to cache"_ and _"How to use cache"_, typically relying on predefined empirical laws or data…

Cited by 0SourcecodeScholar
2026

Fine-Grained GRPO for Precise Preference Alignment in Flow Models

CVPR 2026

The incorporation of online reinforcement learning (RL) into diffusion and flow-based generative models has recently gained attention as a powerful paradigm for aligning model behavior with human preferences. By leveraging stochastic sampling via Stochastic Differential Equations (SDEs) during the d

Cited by 0SourcecodeScholar
2025

ByTheWay: Boost Your Text-to-Video Generation Model to Higher Quality in a Training-free Way

CVPR 2025poster

The text-to-video (T2V) generation models, offering convenient visual creation, have recently garnered increasing attention. Despite their substantial potential, the generated videos may present artifacts, including structural implausibility, temporal inconsistency, and a lack of motion, often resul…

2025

HiFlow: Training-free High-Resolution Image Generation with Flow-Aligned Guidance

NeurIPS 2025poster

Text-to-image (T2I) diffusion/flow models have drawn considerable attention recently due to their remarkable ability to deliver flexible visual creations. Still, high-resolution image synthesis presents formidable challenges due to the scarcity and complexity of high-resolution content. Recent appro…

Cited by 0SourceScholar
2025

Improving Visual and Downstream Performance of Low-Light Enhancer with Vision Foundation Models Collaboration

CVPR 2025poster

In this paper, we observe that the collaboration of various foundation models can perceive semantic and degraded information within images, thereby guiding the low-light enhancement process. Specifically, we propose a self-supervised low-light enhancement framework based on the multiple foundation m…

Cited by 0SourcePDFScholar
2025

MotionClone: Training-Free Motion Cloning for Controllable Video Generation

ICLR 2025poster

Motion-based controllable video generation offers the potential for creating captivating visual content. Existing methods typically necessitate model training to encode particular motion cues or incorporate fine-tuning to inject certain motion patterns, resulting in limited flexibility and generaliz…

Cited by 34SourcePDFScholar
2025

Towards Better & Faster Autoregressive Image Generation: From the Perspective of Entropy

NeurIPS 2025poster

In this work, we first revisit the sampling issues in current autoregressive (AR) image generation models and identify that image tokens, unlike text tokens, exhibit lower information density and non-uniform spatial distribution. Accordingly, we present an entropy-informed decoding strategy that fac…

Cited by 0SourceScholar
2024

FreeDrag: Feature Dragging for Reliable Point-based Image Editing

CVPR 2024poster

To serve the intricate and varied demands of image editing precise and flexible manipulation in image content is indispensable. Recently Drag-based editing methods have gained impressive performance. However these methods predominantly center on point dragging resulting in two noteworthy drawbacks n…

2024

Masked Pre-training Enables Universal Zero-shot Denoiser

NeurIPS 2024poster

In this work, we observe that model trained on vast general images via masking strategy, has been naturally embedded with their distribution knowledge, thus spontaneously attains the underlying potential for strong image denoising. Based on this observation, we propose a novel zero-shot denoising pa…

2024

Stronger Fewer & Superior: Harnessing Vision Foundation Models for Domain Generalized Semantic Segmentation

CVPR 2024poster

In this paper we first assess and harness various Vision Foundation Models (VFMs) in the context of Domain Generalized Semantic Segmentation (DGSS). Driven by the motivation that Leveraging Stronger pre-trained models and Fewer trainable parameters for Superior generalizability we introduce a robust…

2023

Disentangle then Parse: Night-time Semantic Segmentation with Illumination Disentanglement

ICCV 2023poster

Most prior semantic segmentation methods have been developed for day-time scenes, while typically underperforming in night-time scenes due to insufficient and complicated lighting conditions. In this work, we tackle this challenge by proposing a novel night-time semantic segmentation paradigm, i.e.,…

Cited by 11PDFcodeScholar