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Tianchen Zhao

20 accepted papers

2026

Decoupling Vision and Language: Codebook Anchored Visual Adaptation

CVPR 2026

Large Vision-Language Models (LVLMs) use their vision encoders to translate images into representations for downstream reasoning, but the encoders often underperform in domain-specific visual tasks such as medical image diagnosis or fine-grained classification, where representation errors can cascad

Cited by 0SourceScholar
2026

PM-KVQ: Progressive Mixed-precision KV Cache Quantization for Long-CoT LLMs

ICLR 2026poster

Recently, significant progress has been made in developing reasoning-capable Large Language Models (LLMs) through long Chain-of-Thought (CoT) techniques. However, this long-CoT reasoning process imposes substantial memory overhead due to the large Key-Value (KV) Cache memory overhead. Post-training…

Cited by 0SourcecodeScholar
2025

Model Diagnosis and Correction via Linguistic and Implicit Attribute Editing

CVPR 2025poster

How can we troubleshoot a deep visual model, i.e., understand why it makes certain mistakes and further take action to correct its behavior? We design a Model Diagnosis and Correction system (MDC), an automated framework that analyzes the pattern of errors, proposes candidate causes of attributes, c…

Cited by 0SourcePDFScholar
2025

Optimal Transport-Guided Source-Free Adaptation for Face Anti-Spoofing

CVPR 2025poster

Developing a face anti-spoofing model that meets the security requirements of clients worldwide is challenging due to the domain gap between training datasets and the diverse end-user test data. Moreover, for security and privacy reasons, it is undesirable for clients to share a large amount of thei…

Cited by 0SourcePDFScholar
2025

PAROAttention: Pattern-Aware ReOrdering for Efficient Sparse and Quantized Attention in Visual Generation Models

NeurIPS 2025poster

In visual generation, the quadratic complexity of attention mechanisms results in high memory and computational costs, especially for longer token sequences required in high-resolution image or multi-frame video generation. To address this, prior research has explored techniques such as sparsificati…

Cited by 0SourceScholar
2025

Salient Concept-Aware Generative Data Augmentation

NeurIPS 2025poster

Recent generative data augmentation methods conditioned on both image and text prompts struggle to balance between fidelity and diversity, as it is challenging to preserve essential image details while aligning with varied text prompts. This challenge arises because representations in the synthesis…

Cited by 0SourceScholar
2025

ViDiT-Q: Efficient and Accurate Quantization of Diffusion Transformers for Image and Video Generation

ICLR 2025poster

Diffusion transformers have demonstrated remarkable performance in visual generation tasks, such as generating realistic images or videos based on textual instructions. However, larger model sizes and multi-frame processing for video generation lead to increased computational and memory costs, posin…

2024

DiTFastAttn: Attention Compression for Diffusion Transformer Models

NeurIPS 2024poster

Diffusion Transformers (DiT) excel at image and video generation but face computational challenges due to the quadratic complexity of self-attention operators. We propose DiTFastAttn, a post-training compression method to alleviate the computational bottleneck of DiT. We identify three key redundanc…

Cited by 19SourcePDFScholar
2024

FlashEval: Towards Fast and Accurate Evaluation of Text-to-image Diffusion Generative Models

CVPR 2024poster

In recent years there has been significant progress in the development of text-to-image generative models. Evaluating the quality of the generative models is one essential step in the development process. Unfortunately the evaluation process could consume a significant amount of computational resour…

2024

Rad-NeRF: Ray-decoupled Training of Neural Radiance Field

NeurIPS 2024poster

Although the neural radiance field (NeRF) exhibits high-fidelity visualization on the rendering task, it still suffers from rendering defects, especially in complex scenes. In this paper, we delve into the reason for the unsatisfactory performance and conjecture that it comes from interference in th…

2023

Ada3D : Exploiting the Spatial Redundancy with Adaptive Inference for Efficient 3D Object Detection

ICCV 2023poster

Voxel-based methods have achieved state-of-the-art performance for 3D object detection in autonomous driving. However, their significant computational and memory costs pose a challenge for their application to resource-constrained vehicles. One reason for this high resource consumption is the presen…

Cited by 17PDFcodeScholar
2023

Dynamic Ensemble of Low-Fidelity Experts: Mitigating NAS “Cold-Start”

AAAI 2023technical

Predictor-based Neural Architecture Search (NAS) employs an architecture performance predictor to improve the sample efficiency. However, predictor-based NAS suffers from the severe ``cold-start'' problem, since a large amount of architecture-performance data is required to get a working predictor.…

2023

Memory-Oriented Structural Pruning for Efficient Image Restoration

AAAI 2023technical

Deep learning (DL) based methods have significantly pushed forward the state-of-the-art for image restoration (IR) task. Nevertheless, DL-based IR models are highly computation- and memory-intensive. The surging demands for processing higher-resolution images and multi-task paralleling in practical…

Cited by 4SourcePDFScholar
2022

CodedVTR: Codebook-Based Sparse Voxel Transformer With Geometric Guidance

CVPR 2022poster

Transformers have gained much attention by outperforming convolutional neural networks in many 2D vision tasks. However, they are known to have generalization problems and rely on massive-scale pre-training and sophisticated training techniques. When applying to 3D tasks, the irregular data structur…

Cited by 10PDFcodeScholar
2022

TA-GATES: An Encoding Scheme for Neural Network Architectures

NeurIPS 2022accept

Neural architecture search tries to shift the manual design of neural network (NN) architectures to algorithmic design. In these cases, the NN architecture itself can be viewed as data and needs to be modeled. A better modeling could help explore novel architectures automatically and open the black…

2020

A Generic Graph-based Neural Architecture Encoding Scheme for Predictor-based NAS

ECCV 2020poster

This work proposes a novel Graph-based neural ArchiTecture Encoding Scheme, a.k.a. GATES, to improve the predictor-based neural architecture search. Specifically, different from existing graph-based schemes, GATES models the operations as the transformation of the propagating information, which mimi…

2020

DSA: More Efficient Budgeted Pruning via Differentiable Sparsity Allocation

ECCV 2020poster

Budgeted pruning is the problem of pruning under resource constraints. In budgeted pruning, how to distribute the resources across layers (i.e., sparsity allocation) is the key problem. Traditional methods solve it by discretely searching for the layer-wise pruning ratios, which lacks efficiency. In…

Cited by 139SourcePDFScholar
2019

Adversarial Defense via Learning to Generate Diverse Attacks

ICCV 2019poster

With the remarkable success of deep learning, Deep Neural Networks (DNNs) have been applied as dominant tools to various machine learning domains. Despite this success, however, it has been found that DNNs are surprisingly vulnerable to malicious attacks; adding a small, perceptually indistinguishab…

Cited by 99PDFcodeScholar
2019

Diversity-Sensitive Conditional Generative Adversarial Networks

ICLR 2019poster

We propose a simple yet highly effective method that addresses the mode-collapse problem in the Conditional Generative Adversarial Network (cGAN). Although conditional distributions are multi-modal (i.e., having many modes) in practice, most cGAN approaches tend to learn an overly simplified distr…

Cited by 253SourcePDFScholar