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Liqing Zhang

50 accepted papers

2026

AVGGT: Rethinking Global Attention for Accelerating VGGT

CVPR 2026

Models such as VGGT and \pi^3 have shown strong multi-view 3D performance, but their heavy reliance on global self-attention results in high computational cost. Existing sparse-attention variants offer partial speedups, yet lack a systematic analysis of how global attention contributes to multi-view

Cited by 0SourceScholar
2026

FW-VTON: FLATTENING-AND-WARPING FOR PERSON-TO-PERSON VIRTUAL TRY-ON

ICASSP 2026poster

Traditional virtual try-on methods primarily focus on the garment-to-person try-on task, which requires flat garment representations. In contrast, this paper introduces a novel approach to the person-to-person try-on task. Unlike the garment-to-person try-on task, the person-to-person task only invo…

Cited by 0SourcePDFScholar
2026

FakeXplain: AI-Generated Image Detection via Human-Aligned Grounded Reasoning

ICLR 2026poster

The rapid rise of image generation calls for detection methods that are both interpretable and reliable. Existing approaches, though accurate, act as black boxes and fail to generalize to out-of-distribution data, while multi-modal large language models (MLLMs) provide reasoning ability but often ha…

Cited by 0SourcecodeScholar
2026

High-Quality Full-Head 3D Avatar Generation from Any Single Portrait Image

AAAI 2026technical

In this work, we introduce a novel high-fidelity full-head 3D avatar generation method from a single image, regardless of perspective, style, expression, or accessories. Prior works often fail to preserve consistent head geometry and facial details, primarily due to their limited capacity in modelin

Cited by 0SourcePDFScholar
2026

Locate-Then-Examine: Grounded Region Reasoning Improves Detection of AI-Generated Images

CVPR 2026

The rapid growth of AI-generated imagery has blurred the boundary between real and synthetic content, raising practical concerns for digital integrity. Vision-language models (VLMs) can provide natural language explanations, but standard one-pass classifiers often miss subtle artifacts in high-quali

Cited by 0SourceScholar
2025

Divide and Conquer: Exploring Language-centric Tree Reasoning for Video Question-Answering

ICML 2025poster

Video Question-Answering (VideoQA) remains challenging in achieving advanced cognitive reasoning due to the uncontrollable and opaque reasoning processes in existing Multimodal Large Language Models (MLLMs). To address this issue, we propose a novel Language-centric Tree Reasoning (LTR) framework th…

Cited by 0SourcePDFScholar
2025

Pedestrian Motion Reconstruction: A Large-scale Benchmark via Mixed Reality Rendering with Multiple Perspectives and Modalities

ICLR 2025poster

Reconstructing pedestrian motion from dynamic sensors, with a focus on pedestrian intention, is crucial for advancing autonomous driving safety. However, this task is challenging due to data limitations arising from technical complexities, safety, and cost concerns. We introduce the Pedestrian Motio…

Cited by 0SourcePDFScholar
2025

Rethinking Classifier Re-Training in Long-Tailed Recognition: Label Over-Smooth Can Balance

ICLR 2025poster

In the field of long-tailed recognition, the Decoupled Training paradigm has shown exceptional promise by dividing training into two stages: representation learning and classifier re-training. While previous work has tried to improve both stages simultaneously, this complicates isolating the effect…

Cited by 0SourcePDFScholar
2024

Align and Aggregate: Compositional Reasoning with Video Alignment and Answer Aggregation for Video Question-Answering

CVPR 2024poster

Despite the recent progress made in Video Question-Answering (VideoQA) these methods typically function as black-boxes making it difficult to understand their reasoning processes and perform consistent compositional reasoning. To address these challenges we propose a model-agnostic Video Alignment a…

Cited by 4SourcePDFScholar
2024

DomainGallery: Few-shot Domain-driven Image Generation by Attribute-centric Finetuning

NeurIPS 2024poster

The recent progress in text-to-image models pretrained on large-scale datasets has enabled us to generate various images as long as we provide a text prompt describing what we want. Nevertheless, the availability of these models is still limited when we expect to generate images that fall into a spe…

2024

Hierarchical Attacks on Large-Scale Graph Neural Networks

ICASSP 2024accepted

In this paper, we present a novel hierarchical approach to adversarial attacks targeting Graph Neural Networks (GNNs), tailored to overcome the complexities inherent in large-scale poisoning attacks. Traditional global attack strategies often fail to yield effective results on extensive graph struct…

Cited by 0SourceScholar
2024

Painterly Image Harmonization by Learning from Painterly Objects

AAAI 2024technical

Given a composite image with photographic object and painterly background, painterly image harmonization targets at stylizing the composite object to be compatible with the background. Despite the competitive performance of existing painterly harmonization works, they did not fully leverage the pain…

2024

Progressive Painterly Image Harmonization from Low-Level Styles to High-Level Styles

AAAI 2024technical

Painterly image harmonization aims to harmonize a photographic foreground object on the painterly background. Different from previous auto-encoder based harmonization networks, we develop a progressive multi-stage harmonization network, which harmonizes the composite foreground from low-level styles…

2024

WeditGAN: Few-Shot Image Generation via Latent Space Relocation

AAAI 2024technical

In few-shot image generation, directly training GAN models on just a handful of images faces the risk of overfitting. A popular solution is to transfer the models pretrained on large source domains to small target ones. In this work, we introduce WeditGAN, which realizes model transfer by editing th…

2023

Amodal Instance Segmentation via Prior-Guided Expansion

AAAI 2023technical

Amodal instance segmentation aims to infer the amodal mask, including both the visible part and occluded part of each object instance. Predicting the occluded parts is challenging. Existing methods often produce incomplete amodal boxes and amodal masks, probably due to lacking visual evidences to ex…

Cited by 9SourcePDFScholar
2023

Deep Image Harmonization with Globally Guided Feature Transformation and Relation Distillation

ICCV 2023poster

Given a composite image, image harmonization aims to adjust the foreground illumination to be consistent with background. Previous methods have explored transforming foreground features to achieve competitive performance. In this work, we show that using global information to guide foreground featur…

Cited by 12PDFcodeScholar
2023

Few-Shot Defect Image Generation via Defect-Aware Feature Manipulation

AAAI 2023technical

The performances of defect inspection have been severely hindered by insufficient defect images in industries, which can be alleviated by generating more samples as data augmentation. We propose the first defect image generation method in the challenging few-shot cases. Given just a handful of defec…

2023

Geometric Inductive Biases for Identifiable Unsupervised Learning of Disentangled Representations

AAAI 2023technical

The model identifiability is a considerable issue in the unsupervised learning of disentangled representations. The PCA inductive biases revealed recently for unsupervised disentangling in VAE-based models are shown to improve local alignment of latent dimensions with principal components of the dat…

2022

Deep Video Harmonization With Color Mapping Consistency

IJCAI 2022poster

Video harmonization aims to adjust the foreground of a composite video to make it compatible with the background. So far, video harmonization has only received limited attention and there is no public dataset for video harmonization. In this work, we construct a new video harmonization dataset HYouT…

2022

DeltaGAN: Towards Diverse Few-Shot Image Generation with Sample-Specific Delta

ECCV 2022poster

"Learning to generate new images for a novel category based on only a few images, named as few-shot image generation, has attracted increasing research interest. Several state-of-the-art works have yielded impressive results, but the diversity is still limited. In this work, we propose a novel Delta…

2022

Evo-ViT: Slow-Fast Token Evolution for Dynamic Vision Transformer

AAAI 2022technical

Vision transformers (ViTs) have recently received explosive popularity, but the huge computational cost is still a severe issue. Since the computation complexity of ViT is quadratic with respect to the input sequence length, a mainstream paradigm for computation reduction is to reduce the number of…

2022

From Representation to Reasoning: Towards Both Evidence and Commonsense Reasoning for Video Question-Answering

CVPR 2022poster

Video understanding has achieved great success in representation learning, such as video caption, video object grounding, and video descriptive question-answer. However, current methods still struggle on video reasoning, including evidence reasoning and commonsense reasoning. To facilitate deeper vi…

Cited by 69PDFcodeScholar
2022

High-Resolution Image Harmonization via Collaborative Dual Transformations

CVPR 2022poster

Given a composite image, image harmonization aims to adjust the foreground to make it compatible with the background. High-resolution image harmonization is in high demand, but still remains unexplored. Conventional image harmonization methods learn global RGB-to-RGB transformation which could effor…

Cited by 101PDFcodeScholar
2022

Human-Centric Image Cropping with Partition-Aware and Content-Preserving Features

ECCV 2022poster

"Image cropping aims to find visually appealing crops in an image, which is an important yet challenging task. In this paper, we consider a specific and practical application: human-centric image cropping, which focuses on the depiction of a person. To this end, we propose a human-centric image crop…

2022

Weak-shot Semantic Segmentation via Dual Similarity Transfer

NeurIPS 2022accept

Semantic segmentation is a practical and active task, but severely suffers from the expensive cost of pixel-level labels when extending to more classes in wider applications. To this end, we focus on the problem named weak-shot semantic segmentation, where the novel classes are learnt from cheaper i…

2022

XYLayoutLM: Towards Layout-Aware Multimodal Networks for Visually-Rich Document Understanding

CVPR 2022poster

Recently, various multimodal networks for Visually-Rich Document Understanding(VRDU) have been proposed, showing the promotion of transformers by integrating visual and layout information with the text embeddings. However, most existing approaches utilize the position embeddings to incorporate the s…

Cited by 105PDFScholar
2021

Activity Image-to-Video Retrieval by Disentangling Appearance and Motion

AAAI 2021technical

With the rapid emergence of video data, image-to-video retrieval has attracted much attention. There are two types of image-to-video retrieval: instance-based and activity-based. The former task aims to retrieve videos containing the same main objects as the query image, while the latter focuses on…

Cited by 26SourcePDFScholar
2021

Depth Privileged Object Detection in Indoor Scenes via Deformation Hallucination

AAAI 2021technical

RGB-D object detection has achieved significant advance, because depth provides complementary geometric information to RGB images. Considering depth images are unavailable in some scenarios, we focus on depth privileged object detection in indoor scenes, where the depth images are only available in…

Cited by 7SourcePDFScholar
2021

Mixed Supervised Object Detection by Transferring Mask Prior and Semantic Similarity

NeurIPS 2021poster

Object detection has achieved promising success, but requires large-scale fully-annotated data, which is time-consuming and labor-extensive. Therefore, we consider object detection with mixed supervision, which learns novel object categories using weak annotations with the help of full annotations o…

2021

Parallel Multi-Resolution Fusion Network for Image Inpainting

ICCV 2021poster

Conventional deep image inpainting methods are based on auto-encoder architecture, in which the spatial details of images will be lost in the down-sampling process, leading to the degradation of generated results. Also, the structure information in deep layers and texture information in shallow laye…

Cited by 39PDFScholar
2021

Weak-shot Fine-grained Classification via Similarity Transfer

NeurIPS 2021poster

Recognizing fine-grained categories remains a challenging task, due to the subtle distinctions among different subordinate categories, which results in the need of abundant annotated samples. To alleviate the data-hungry problem, we consider the problem of learning novel categories from web data wit…

2020

DoveNet: Deep Image Harmonization via Domain Verification

CVPR 2020poster

Image composition is an important operation in image processing, but the inconsistency between foreground and background significantly degrades the quality of composite image. Image harmonization, aiming to make the foreground compatible with the background, is a promising yet challenging task. Howe…

Cited by 260PDFcodeScholar
2018

Exploring Motor Imagery Eeg Patterns for Stroke Patients with Deep Neural Networks

ICASSP 2018accepted

Studies show that motor imagery based Brain-Computer Interface (BCI) systems can be utilized therapeutically in stroke rehabilitation. Efficient decoding of subjects' motor intentions is essential in BCI-based rehabilitation systems to manipulate a neural prosthesis or other devices for motor relear…

Cited by 0SourceScholar
2017

Non-blind image deconvolution using deep dual-pathway rectifier neural network

ICASSP 2017accepted

Recently deep neural networks have been successfully used for natural image deconvolution. Whereas the existing methods usually involve an inversion of the blur followed by a denoising step. In this paper we propose a pure learning approach to learn a mapping from a blurred patch to a clean patch di…

Cited by 0SourceScholar
2015

Object Proposal by Multi-Branch Hierarchical Segmentation

CVPR 2015poster

Hierarchical segmentation based object proposal methods have become an important step in modern object detection paradigm. However, standard single-way hierarchical methods are fundamentally flawed in that the errors in early steps cannot be corrected and accumulate. In this work, we propose a novel…

Cited by 45SourcePDFScholar