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Tiezheng Ge

25 accepted papers

2026

Flowing Backwards: Improving Normalizing Flows via Reverse Representation Alignment

AAAI 2026technical

Normalizing Flows (NFs) are a class of generative models distinguished by a mathematically invertible architecture, where the forward pass transforms data into a latent space for density estimation, and the reverse pass generates new samples from this space. This characteristic creates an intrinsic

Cited by 0SourcePDFScholar
2026

Identity-Preserving Image-to-Video Generation via Reward-Guided Optimization

CVPR 2026

Recent advances in image-to-video (I2V) generation have achieved remarkable progress in synthesizing high-quality, temporally coherent videos from static images. Among all the applications of I2V, human-centric video generation includes a large portion. However, existing I2V models encounter difficu

Cited by 0SourcecodeScholar
2026

Mem-PAL: Towards Memory-based Personalized Dialogue Assistants for Long-term User-Agent Interaction

AAAI 2026technical

With the rise of smart personal devices, service-oriented human-agent interactions have become increasingly prevalent. This trend highlights the need for personalized dialogue assistants that can understand user-specific traits to accurately interpret requirements and tailor responses to individual

Cited by 0SourcePDFScholar
2026

Video Echoed in Music: Semantic, Temporal, and Rhythmic Alignment for Video-to-Music Generation

AAAI 2026technical

Video-to-Music generation seeks to generate musically appropriate background music that enhances audiovisual immersion for videos. However, current approaches suffer from two critical limitations: 1) incomplete representation of video details, leading to weak alignment, and 2) inadequate temporal an

Cited by 0SourcePDFScholar
2025

Differentiable Solver Search for Fast Diffusion Sampling

ICML 2025poster

Diffusion models have demonstrated remarkable generation quality but at the cost of numerous function evaluations. Recently, advanced ODE-based solvers have been developed to mitigate the substantial computational demands of reverse-diffusion solving under limited sampling steps. However, these solv…

Cited by 0SourcePDFScholar
2025

Do not Abstain! Identify and Solve the Uncertainty

ACL 2025long

Despite the widespread application of Large Language Models (LLMs) across various domains, they frequently exhibit overconfidence when encountering uncertain scenarios, yet existing solutions primarily rely on evasive responses (e.g., “I don’t know”) overlooks the opportunity of identifying and addr…

Cited by 0SourcePDFScholar
2025

Minimal Impact ControlNet: Advancing Multi-ControlNet Integration

ICLR 2025poster

With the advancement of diffusion models, there is a growing demand for high-quality, controllable image generation, particularly through methods that utilize one or multiple control signals based on ControlNet. However, in current ControlNet training, each control is designed to influence all areas…

Cited by 0SourcePDFScholar
2025

RHanDS: Refining Malformed Hands for Generated Images with Decoupled Structure and Style Guidance

AAAI 2025technical

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 designed to refine malformed hands by utilizing decoupled struc…

2025

VC4VG: Optimizing Video Captions for Text-to-Video Generation

EMNLP 2025

Recent advances in text-to-video (T2V) generation highlight the critical role of high-quality video-text pairs in training models capable of producing coherent and instruction-aligned videos. However, strategies for optimizing video captions specifically for T2V training remain underexplored. In thi

2024

Accelerating Image Generation with Sub-path Linear Approximation Model

ECCV 2024oral

"Diffusion models have significantly advanced the state of the art in image, audio, and video generation tasks. However, their applications in practical scenarios are hindered by slow inference speed. Drawing inspiration from the consistency models, we propose the Sub-Path Linear Approximation Model…

Cited by 10SourcePDFScholar
2024

ConceptMath: A Bilingual Concept-wise Benchmark for Measuring Mathematical Reasoning of Large Language Models

ACL 2024findings

This paper introduces ConceptMath, a bilingual (English and Chinese), fine-grained benchmark that evaluates concept-wise mathematical reasoning of Large Language Models (LLMs). Unlike traditional benchmarks that evaluate general mathematical reasoning with an average accuracy, ConceptMath systemical…

2024

E2-LLM: Efficient and Extreme Length Extension of Large Language Models

ACL 2024findings

Training Large Language Models (LLMs) to process extensive context lengths incurs prohibitive computational costs. Prevailing techniques for extending context capabilities in LLMs typically require not only additional training procedures but also access to datasets with long context (e.g., sequences…

Cited by 23SourcePDFScholar
2024

Exploring DCN-like architecture for fast image generation with arbitrary resolution

NeurIPS 2024poster

Arbitrary-resolution image generation still remains a challenging task in AIGC, as it requires handling varying resolutions and aspect ratios while maintaining high visual quality. Existing transformer-based diffusion methods suffer from quadratic computation cost and limited resolution extrapolatio…

Cited by 0SourcePDFScholar
2024

MT-Bench-101: A Fine-Grained Benchmark for Evaluating Large Language Models in Multi-Turn Dialogues

ACL 2024long

The advent of Large Language Models (LLMs) has drastically enhanced dialogue systems. However, comprehensively evaluating the dialogue abilities of LLMs remains a challenge. Previous benchmarks have primarily focused on single-turn dialogues or provided coarse-grained and incomplete assessments of m…

2024

Synchronized Video Storytelling: Generating Video Narrations with Structured Storyline

ACL 2024long

Video storytelling is engaging multimedia content that utilizes video and its accompanying narration to share a story and attract the audience, where a key challenge is creating narrations for recorded visual scenes. Previous studies on dense video captioning and video story generation have made som…

2023

CF-Font: Content Fusion for Few-Shot Font Generation

CVPR 2023poster

Content and style disentanglement is an effective way to achieve few-shot font generation. It allows to transfer the style of the font image in a source domain to the style defined with a few reference images in a target domain. However, the content feature extracted using a representative font migh…

2023

Unsupervised Domain Adaption With Pixel-Level Discriminator for Image-Aware Layout Generation

CVPR 2023poster

Layout is essential for graphic design and poster generation. Recently, applying deep learning models to generate layouts has attracted increasing attention. This paper focuses on using the GAN-based model conditioned on image contents to generate advertising poster graphic layouts, which requires a…

Cited by 19SourcePDFScholar
2022

CapOnImage: Context-driven Dense-Captioning on Image

EMNLP 2022main

Existing image captioning systems are dedicated to generating narrative captions for images, which are spatially detached from theimage in presentation. However, texts can also be used as decorations on the image to highlight the key points and increase theattractiveness of images. In this work, we…

Cited by 8SourcePDFScholar
2022

Composition-aware Graphic Layout GAN for Visual-Textual Presentation Designs

IJCAI 2022poster

In this paper, we study the graphic layout generation problem of producing high-quality visual-textual presentation designs for given images. We note that image compositions, which contain not only global semantics but also spatial information, would largely affect layout results. Hence, we propose…

2022

Learning Pixel-Level Distinctions for Video Highlight Detection

CVPR 2022poster

The goal of video highlight detection is to select the most attractive segments from a long video to depict the most interesting parts of the video. Existing methods typically focus on modeling relationship between different video segments in order to learning a model that can assign highlight score…

Cited by 30PDFScholar
2022

Motion Transformer for Unsupervised Image Animation

ECCV 2022poster

"Image animation aims to animate a source image by using motion learned from a driving video. Current state-of-the-art methods typically use convolutional neural networks (CNNs) to predict motion information, such as motion keypoints and corresponding local transformations. However, these CNN based…

2022

Motion and Appearance Adaptation for Cross-Domain Motion Transfer

ECCV 2022poster

"Motion transfer aims to transfer the motion of a driving video to a source image. When there are considerable differences between object in the driving video and that in the source image, traditional single domain motion transfer approaches often produce notable artifacts; for example, the synthesi…

Cited by 11SourcePDFScholar
2022

Structure-Aware Motion Transfer With Deformable Anchor Model

CVPR 2022poster

Given a source image and a driving video depicting the same object type, the motion transfer task aims to generate a video by learning the motion from the driving video while preserving the appearance from the source image. In this paper, we propose a novel structure-aware motion modeling approach,…

Cited by 51PDFcodeScholar
2021

Efficient Optimal Selection for Composited Advertising Creatives with Tree Structure

AAAI 2021technical

Ad creatives are one of the prominent mediums for online e-commerce advertisements. Ad creatives with enjoyable visual appearance may increase the click-through rate (CTR) of products. Ad creatives are typically handcrafted by advertisers and then delivered to the advertising platforms for advertise…