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Haichuan Song

14 accepted papers

2026

$\alpha$Matte4K & $\mu$Matting: Dataset and Model for Ultra-Micro Precision Alpha Video Matting

CVPR 2026

High-resolution human video matting aims to predict accurate alpha mattes for semi-transparent regions while ensuring temporal consistency across frames. Despite notable progress, current methods still fail to achieve a satisfactory trade-off between quality and efficiency, with limitations in subje

Cited by 0SourcecodeScholar
2026

A Geometric Perspective on Optimizing Vector Quantized Latent Diffusion Model for Image Restoration

AAAI 2026technical

In this paper, we investigate the limitations of the Vector Quantized Latent Diffusion Model (VQ-LDM) in restoration tasks. We identify a performance gap between the Vector Quantization (VQ) and Diffusion Model components, manifested as a significant discrepancy between the reconstruction quality of

Cited by 0SourcePDFScholar
2026

Feed-Forward Taylor-Gaussians-Flow: Towards Non-uniform Motion for Novel View Synthesis from Monocular Video

ICML 2026poster

Long-term non-uniform motion poses a significant challenge for feed-forward Novel View Synthesis (\textbf{NVS}), as it requires modeling higher-order motion, such as acceleration. Existing methods primarily rely on deformation fields or scene flow, which are limited to first-order approximations. Du…

Cited by 0SourceScholar
2026

Towards Privacy-Protected Generalized Gaze Estimation Using Diffusion Models and Domain Stability Adaptation Framework

AAAI 2026technical

Modern gaze estimation models can accurately predict human gaze from facial images. However, due to privacy concerns and intricate data collection procedures, gaze estimation datasets are typically smaller and less diverse compared to those for other vision tasks, which directly leads to poor genera

Cited by 0SourcePDFScholar
2025

Explicit Depth-Aware Blurry Video Frame Interpolation Guided by Differential Curves

CVPR 2025poster

Blurry video frame interpolation (BVFI), which aims to generate high-frame-rate clear videos from low-frame-rate blurry inputs, is a challenging yet significant task in computer vision. Current state-of-the-art approaches typically rely on linear or quadratic models to estimate intermediate motion.…

Cited by 0SourcePDFScholar
2025

SparseRecon: Neural Implicit Surface Reconstruction from Sparse Views with Feature and Depth Consistencies

ICCV 2025poster

Surface reconstruction from sparse views aims to reconstruct a 3D shape or scene from few RGB images. The latest methods are either generalization-based or overfitting-based. However, the generalization-based methods do not generalize well on views that were unseen during training, while the reconst…

2025

U-CAN: Unsupervised Point Cloud Denoising with Consistency-Aware Noise2Noise Matching

NeurIPS 2025poster

Point clouds captured by scanning sensors are often perturbed by noise, which have a highly negative impact on downstream tasks (e.g. surface reconstruction and shape understanding). Previous works mostly focus on training neural networks with noisy-clean point cloud pairs for learning denoising pri…

Cited by 0SourcecodeScholar
2022

Optimization over Disentangled Encoding: Unsupervised Cross-Domain Point Cloud Completion via Occlusion Factor Manipulation

ECCV 2022poster

"Recently, studies considering domain gaps in shape completion attracted more attention, due to the undesirable performance of supervised methods on real scans. They only noticed the gap in input scans, but ignored the gap in output prediction, which is specific for completion. In this paper, we dis…

2022

Task-Level Self-Supervision for Cross-Domain Few-Shot Learning

AAAI 2022technical

Learning with limited labeled data is a long-standing problem. Among various solutions, episodic training progres-sively classifies a series of few-shot tasks and thereby is as-sumed to be beneficial for improving the model’s generalization ability. However, recent studies show that it is eveninferi…

Cited by 16SourcePDFScholar
2021

Omni-Supervised Point Cloud Segmentation via Gradual Receptive Field Component Reasoning

CVPR 2021poster

Hidden features in neural network usually fail to learn informative representation for 3D segmentation as supervisions are only given on output prediction, while this can be solved by omni-scale supervision on intermediate layers. In this paper, we bring the first omni-scale supervision method to po…

Cited by 61PDFcodeScholar
2020

Face Anti-Spoofing via Disentangled Representation Learning

ECCV 2020poster

Face anti-spoofing is crucial to the security of face recognition systems. Previous approaches focus on developing discriminative models based on the features extracted from images, which may be still entangled between spoof patterns and real persons. In this paper, motivated by the disentangled rep…

Cited by 180SourcePDFScholar
2020

Latent Regularized Generative Dual Adversarial Network For Abnormal Detection

IJCAI 2020poster

With the development of adversarial attack in deep learning, it is critical for abnormal detector to not only discover the out-of-distribution samples but also provide defence against the adversarial attacker. Since few previous universal detector is known to work well on both tasks, we consider aga…

Cited by 0SourcePDFScholar
2020

Residual Attention Network for Wavelet Domain Super-Resolution

ICASSP 2020accepted

Single-image super-resolution plays an important role in computer vision area. However, previous works using convolutional neural networks perform badly when reconstructing high frequency details, result in over-smooth and lacking of textural information in the output. At the same time, super-resolu…

Cited by 0SourceScholar
2019

Learning the Spiral Sharing Network with Minimum Salient Region Regression for Saliency Detection

ICASSP 2019accepted

With the development of convolutional neural networks (CNNs), saliency detection methods have made a big progress in recent years. However, the previous methods sometimes mistakenly highlight the non-salient region, especially in complex backgrounds. To solve this problem, a two-stage method for sal…

Cited by 0SourceScholar