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Zhiheng Liu

21 accepted papers

2026

INT vs. FP: A Comprehensive Study of Fine-Grained Low-bit Quantization Formats

ICML 2026poster

Modern AI hardware, such as Nvidia's Blackwell architecture, is increasingly embracing low-precision floating-point (FP) formats to handle the pervasive activation outliers in Large Language Models (LLMs). Despite this industry trend, a unified comparison of FP and integer (INT) quantization across …

Cited by 0SourceScholar
2026

OneStory: Coherent Multi-Shot Video Generation with Adaptive Memory

CVPR 2026

Storytelling in real-world videos often unfolds through multiple shots--discontinuous yet semantically connected clips that together convey a coherent narrative. However, existing multi-shot video generation (MSV) methods struggle to effectively model long-range cross-shot context, as they rely on l

Cited by 0SourceScholar
2026

Scaling Zero-Shot Reference-to-Video Generation

CVPR 2026

Reference-to-video (R2V) generation aims to synthesize videos that align with a text prompt while preserving the subject identity from reference images. However, current R2V methods are hindered by the reliance on explicit reference image-video-text triplets, whose construction is highly expensive a

Cited by 0SourcecodeScholar
2026

TUNA: Taming Unified Visual Representations for Native Unified Multimodal Models

CVPR 2026

Unified multimodal models (UMMs) aim to jointly perform multimodal understanding and generation within a single framework. We present TUNA, a native UMM that builds a unified continuous visual representation by cascading a VAE encoder with a representation encoder. This unified representation space

Cited by 0SourceScholar
2026

VecGlypher: Unified Vector Glyph Generation with Language Models

CVPR 2026

Vector glyphs are the atomic units of digital typography, yet most learning-based pipelines still depend on carefully curated exemplar sheets and raster-to-vector postprocessing, which limits accessibility and editability. We introduce VecGlypher, a single multimodal language model that generates hi

Cited by 0SourcecodeScholar
2025

AniDoc: Animation Creation Made Easier

CVPR 2025poster

The production of 2D animation follows an industry-standard workflow, encompassing four essential stages: character design, keyframe animation, in-betweening, and coloring. Our research focuses on reducing the labor costs in the above process by harnessing the potential of increasingly powerful gene…

Cited by 9SourcePDFScholar
2025

MagicQuill: An Intelligent Interactive Image Editing System

CVPR 2025poster

As a highly practical application, image editing encounters a variety of user demands and thus prioritizes excellent ease of use. In this paper, we unveil MagicQuill, an integrated image editing system designed to support users in swiftly actualizing their creativity. Our system starts with a stream…

2025

MangaNinja: Line Art Colorization with Precise Reference Following

CVPR 2025highlight

Derived from diffusion models, MangaNinja specializes in the task of reference-guided line art colorization. We incorporate two thoughtful designs to ensure precise character detail transcription, including a patch shuffling module to facilitate correspondence learning between the reference color im…

Cited by 3SourcePDFScholar
2025

Soundwave: Less is More for Speech-Text Alignment in LLMs

ACL 2025long

Existing end-to-end speech large language models (LLMs) usually rely on large-scale annotated data for training, while data-efficient training has not been discussed in depth. We focus on two fundamental problems between speech and text: the representation space gap and sequence length inconsistency…

2025

The Matrix: Infinite-Horizon World Generation with Real-Time Moving Control

NeurIPS 2025poster

We present The Matrix, a foundational realistic world simulator capable of generating infinitely long 720p high-fidelity real-scene video streams with real-time, responsive control in both first- and third-person perspectives. Trained on limited supervised data from video games like Forza Horizon 5…

Cited by 0SourceScholar
2025

ViewPoint: Panoramic Video Generation with Pretrained Diffusion Models

NeurIPS 2025poster

Panoramic video generation aims to synthesize 360-degree immersive videos, holding significant importance in the fields of VR, world models, and spatial intelligence. Existing works fail to synthesize high-quality panoramic videos due to the inherent modality gap between panoramic data and perspecti…

Cited by 0SourceScholar
2025

WorldWeaver: Generating Long-Horizon Video Worlds via Rich Perception

NeurIPS 2025poster

Generative video modeling has made significant strides, yet ensuring structural and temporal consistency over long sequences remains a challenge. Current methods predominantly rely on RGB signals, leading to accumulated errors in object structure and motion over extended durations. To address these…

Cited by 0SourceScholar
2024

CCM: Real-Time Controllable Visual Content Creation Using Text-to-Image Consistency Models

ICML 2024poster

Consistency Models (CMs) have showed a promise in creating high-quality images with few steps. However, the way to add new conditional controls to the pre-trained CMs has not been explored. In this paper, we explore the pivotal subject of leveraging the generative capacity and efficiency of consiste…

Cited by 4SourcePDFScholar
2024

DreamClean: Restoring Clean Image Using Deep Diffusion Prior

ICLR 2024poster

Image restoration poses a garners substantial interest due to the exponential surge in demands for recovering high-quality images from diverse mobile camera devices, adverse lighting conditions, suboptimal shooting environments, and frequent image compression for efficient transmission purposes. Yet…

Cited by 9SourcePDFScholar
2024

DreamVideo: Composing Your Dream Videos with Customized Subject and Motion

CVPR 2024poster

Customized generation using diffusion models has made impressive progress in image generation but remains unsatisfactory in the challenging video generation task as it requires the controllability of both subjects and motions. To that end we present DreamVideo a novel approach to generating personal…

2024

Hypercorrelation Evolution for Video Class-Incremental Learning

AAAI 2024technical

Video class-incremental learning aims to recognize new actions while restricting the catastrophic forgetting of old ones, whose representative samples can only be saved in limited memory. Semantically variable subactions are susceptible to class confusion due to data imbalance. While existing method…

2024

LivePhoto: Real Image Animation with Text-guided Motion Control

ECCV 2024poster

"Despite the recent progress in text-to-video generation, existing studies usually overlook the issue that only spatial contents but not temporal motions in synthesized videos are under the control of text. Towards such a challenge, this work presents a practical system, named , which allows users t…

2023

Cones: Concept Neurons in Diffusion Models for Customized Generation

ICML 2023oral

Human brains respond to semantic features of presented stimuli with different neurons. This raises the question of whether deep neural networks admit a similar behavior pattern. To investigate this phenomenon, this paper identifies a small cluster of neurons associated with a specific subject in a d…

Cited by 119SourcePDFScholar
2023

Customizable Image Synthesis with Multiple Subjects

NeurIPS 2023poster

Synthesizing images with user-specified subjects has received growing attention due to its practical applications. Despite the recent success in single subject customization, existing algorithms suffer from high training cost and low success rate along with increased number of subjects. Towards cont…

Cited by 84SourcePDFScholar
2022

CamMap: Extrinsic Calibration of Non-Overlapping Cameras Based on SLAM Map Alignment

RA-L 2022

Multiple cameras have emerged as a promising technology for robots and vehicles due to their broad fields of view (FoV) and high resolution. However, there are often limited or no overlapping FoVs among cameras, bringing challenges to estimating extrinsic camera parameters. To overcome this problem,

Cited by 12SourceScholar