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Cheng Liu

35 accepted papers

2026

From Large to Small: Transferring CUDA Optimization Expertise via Reasoning Graph

ICLR 2026poster

Despite significant evolution of CUDA programming and domain-specific libraries, effectively utilizing GPUs with massively parallel engines remains difficult. Large language models (LLMs) show strong potential in generating optimized CUDA code from sequential code. However, using LLMs in practice fa…

Cited by 0SourceScholar
2026

Learning Whom to Align With: Progressive Anomaly Combination Detection for Partially View-Aligned Clustering

AAAI 2026technical

Partially View-aligned Clustering (PVC) addresses the challenge of partial view alignment in multi-view learning by leveraging complementary and consistent information. While existing PVC methods show promise, most rely on distance-based strategies that are sensitive to view-specific details and noi

Cited by 0SourcePDFScholar
2026

LoopLLM: Transferable Energy-Latency Attacks in LLMs via Repetitive Generation

AAAI 2026technical

As large language models (LLMs) scale, their inference incurs substantial computational resources, exposing them to energy-latency attacks, where crafted prompts induce high energy and latency cost. Existing attack methods aim to prolong output by delaying the generation of termination symbols. Howe

Cited by 0SourcePDFScholar
2026

MakeAnything: Harnessing Diffusion Transformers for Multi-Domain Procedural Sequence Generation

CVPR 2026

A hallmark of human intelligence is the ability to create complex artifacts through structured multi-step processes. Generating procedural tutorials with AI is a longstanding but challenging goal, facing three key obstacles: (1) scarcity of multi-task procedural datasets, (2) maintaining logical con

Cited by 44SourcecodeScholar
2026

Refinement Contrastive Learning of Cell–Gene Associations for Unsupervised Cell Type Identification

AAAI 2026technical

Unsupervised cell type identification is crucial for uncovering and characterizing heterogeneous populations in single cell omics studies. Although a range of clustering methods have been developed, most focus exclusively on intrinsic cellular structure and ignore the pivotal role of cell-gene assoc

Cited by 0SourcePDFScholar
2026

TTA-Bench: A Comprehensive Benchmark for Evaluating Text-to-Audio Models

AAAI 2026technical

Text-to-Audio (TTA) generation has made rapid progress, but current evaluation methods remain narrow, focusing mainly on perceptual quality while overlooking robustness, generalization, and ethical concerns. We present TTA-Bench, a comprehensive benchmark for evaluating TTA models across functional

Cited by 0SourcePDFScholar
2025

Boosting Lightweight Camouflaged Object Detection with Multi-Scale Context and Boundary Awareness

ICASSP 2025accepted

To adapt to the resource-limited environment, this study introduces the lightweight boundary-aware camouflaged object detection(COD) network LMABnet. We enhance the feature representation capability of the lightweight network through a multi-scale feature fusion architecture, while effectively avoid…

Cited by 0SourceScholar
2025

ChildMandarin: A Comprehensive Mandarin Speech Dataset for Young Children Aged 3-5

ACL 2025long

Automatic speech recognition (ASR) systems have advanced significantly with models like Whisper, Conformer, and self-supervised frameworks such as Wav2vec 2.0 and HuBERT. However, developing robust ASR models for young children’s speech remains challenging due to differences in pronunciation, tone,…

2025

CodeTool: Enhancing Programmatic Tool Invocation of LLMs via Process Supervision

ACL 2025long

Tool invocation significantly enhances the capabilities of Large Language Models (LLMs), yet challenges persist, particularly in complex task scenarios. Current methods, such as instruction-enhanced reasoning and supervised fine-tuning, often result in unnecessarily long reasoning paths and face dif…

Cited by 0SourcePDFScholar
2025

CogDual: Enhancing Dual Cognition of LLMs via Reinforcement Learning with Implicit Rule-Based Rewards

EMNLP 2025

Role-Playing Language Agents (RPLAs) have emerged as a significant application direction for Large Language Models (LLMs). Existing approaches typically rely on prompt engineering or supervised fine-tuning to enable models to imitate character behaviors in specific scenarios, but often neglect the u

Cited by 0SourcePDFScholar
2025

Graph Coarsening via Supervised Granular-Ball for Scalable Graph Neural Network Training

AAAI 2025technical

Graph Neural Networks (GNNs) have demonstrated significant achievements in processing graph data, yet scalability remains a substantial challenge. To address this, numerous graph coarsening methods have been developed. However, most existing coarsening methods are training-dependent, leading to lowe…

2025

Joint Edge and Regional Depth Enhancement Network for Camouflaged Object Detection

ICASSP 2025accepted

Camouflaged object detection (COD) is a task of identifying and locating target objects that are camouflaged, masked, or confused. Research claims that depth cues can provide effective object location cues. However, depth images often contain noise interference, which may negatively affect object re…

Cited by 0SourceScholar
2025

MusicEval: A Generative Music Dataset with Expert Ratings for Automatic Text-to-Music Evaluation

ICASSP 2025accepted

The technology for generating music from textual descriptions has seen rapid advancements. However, evaluating text-to-music (TTM) systems remains a significant challenge, primarily due to the difficulty of balancing performance and cost with existing objective and subjective evaluation methods. In…

Cited by 0SourceScholar
2025

OmniConsistency: Learning Style-Agnostic Consistency from Paired Stylization Data

NeurIPS 2025poster

Diffusion models have advanced image stylization significantly, yet two core challenges persist: (1) maintaining consistent stylization in complex scenes, particularly identity, composition, and fine details, and (2) preventing style degradation in image-to-image pipelines with style LoRAs. GPT-4o's…

Cited by 0SourcecodeScholar
2025

PRESS: Defending Privacy in Retrieval-Augmented Generation via Embedding Space Shifting

ICASSP 2025accepted

Retrieval-augmented generation (RAG) expands the capabilities of large language models (LLMs) in various applications by integrating relevant information retrieved from external data sources. However, the RAG systems are exposed to substantial privacy risks during the information retrieval process,…

Cited by 0SourceScholar
2025

Prompt-augmented Feature with Cross-domain Contrastive Learning for Efficient Multi-domain Sentiment Analysis

ICASSP 2025accepted

Pre-trained language models (PrLMs) demonstrate impressive performance on the sentiment analysis task. However, the large number of trainable parameters brings about heavy computational costs, which become more serious in multi-domain scenarios. In this paper, we propose to extract multi-layer featu…

Cited by 0SourceScholar
2025

S2R: Teaching LLMs to Self-verify and Self-correct via Reinforcement Learning

ACL 2025long

Recent studies have demonstrated the effectiveness of LLM test-time scaling. However, existing approaches to incentivize LLMs’ deep thinking abilities generally require large-scale data or significant training efforts. Meanwhile, it remains unclear how to improve the thinking abilities of less power…

2024

Feature Structure Matching for Multi-source Sentiment Analysis with Efficient Adaptive Tuning

COLING 2024main

Recently, fine-tuning the large pre-trained language models on the labeled sentiment dataset achieves appealing performance. However, the obtained model may not generalize well to the other domains due to the domain shift, and it is expensive to update the entire parameters within the large models.…

2024

Learning Degradation-unaware Representation with Prior-based Latent Transformations for Blind Face Restoration

CVPR 2024poster

Blind face restoration focuses on restoring high-fidelity details from images subjected to complex and unknown degradations while preserving identity information. In this paper we present a Prior-based Latent Transformation approach (PLTrans) which is specifically designed to learn a degradation-una…

Cited by 4SourcePDFScholar
2024

LinNet: Linear Network for Efficient Point Cloud Representation Learning

NeurIPS 2024poster

Point-based methods have made significant progress, but improving their scalability in large-scale 3D scenes is still a challenging problem. In this paper, we delve into the point-based method and develop a simpler, faster, stronger variant model, dubbed as LinNet. In particular, we first propose th…

Cited by 1SourcePDFScholar
2024

Ordering-Based Causal Discovery for Linear and Nonlinear Relations

NeurIPS 2024poster

Identifying causal relations from purely observational data typically requires additional assumptions on relations and/or noise. Most current methods restrict their analysis to datasets that are assumed to have pure linear or nonlinear relations, which is often not reflective of real-world datasets…

2024

RetouchFormer: Semi-supervised High-Quality Face Retouching Transformer with Prior-Based Selective Self-Attention

AAAI 2024technical

Face retouching is to beautify a face image, while preserving the image content as much as possible. It is a promising yet challenging task to remove face imperfections and fill with normal skin. Generic image enhancement methods are hampered by the lack of imperfection localization, which often res…

Cited by 1SourcePDFScholar
2024

SCTrans: Multi-scale scRNA-seq Sub-vector Completion Transformer for Gene-selective Cell Type Annotation

IJCAI 2024poster

Cell type annotation is pivotal to single-cell RNA sequencing data (scRNA-seq)-based biological and medical analysis, e.g., identifying biomarkers, exploring cellular heterogeneity, and understanding disease mechanisms. The previous annotation methods typically learn a nonlinear mapping to infer cel…

Cited by 0SourcePDFScholar
2023

Adaptive Risk-Tendency: Nano Drone Navigation in Cluttered Environments with Distributional Reinforcement Learning

ICRA 2023poster

Enabling the capability of assessing risk and making risk-aware decisions is essential to applying reinforcement learning to safety-critical robots like drones. In this paper, we investigate a specific case where a nano quadcopter robot learns to navigate an apriori-unknown cluttered environment und…

Cited by 24SourcecodeScholar
2023

MA-BERT: Towards Matrix Arithmetic-only BERT Inference by Eliminating Complex Non-Linear Functions

ICLR 2023poster

Due to their superior results, Transformer-based models such as BERT have become de facto standards in many Natural Language Processing (NLP) applications. However, the intensive use of complex non-linear functions within the Transformer architecture impairs its computing efficiency and complicates…

Cited by 9SourcePDFScholar
2023

S${2}$ Loop: A Lightweight Spectral-Spatio Loop Closure Detector for Resource-Constrained Platforms

RA-L 2023

Visual loop closure detection is an essential backend task for long-term vSLAM applications. However, prior works cannot simultaneously meet the requirements of high recall and low computing and memory overhead, which prohibits their applicability to resource-constrained platforms. In this work we p

Cited by 1SourceScholar
2023

Text-Guided Unsupervised Latent Transformation for Multi-Attribute Image Manipulation

CVPR 2023poster

Great progress has been made in StyleGAN-based image editing. To associate with preset attributes, most existing approaches focus on supervised learning for semantically meaningful latent space traversal directions, and each manipulation step is typically determined for an individual attribute. To a…

Cited by 3SourcePDFScholar
2022

Asymmetric Mutual Learning for Multi-source Unsupervised Sentiment Adaptation with Dynamic Feature Network

COLING 2022main

Recently, fine-tuning the pre-trained language model (PrLM) on labeled sentiment datasets demonstrates impressive performance. However, collecting labeled sentiment dataset is time-consuming, and fine-tuning the whole PrLM brings about much computation cost. To this end, we focus on multi-source uns…

2021

PicoVO: A Lightweight RGB-D Visual Odometry Targeting Resource-Constrained IoT Devices

ICRA 2021poster

Ego-motion estimation with 3D perception using visual odometry (VO) is known to be robust and economical among the existing odometry techniques. However, existing VO solutions are typically both computation intensive and memory intensive, which dramatically inhibits their deployment in IoT platforms…

Cited by 12SourceScholar
2020

Linear Symmetric Quantization of Neural Networks for Low-precision Integer Hardware

ICLR 2020poster

With the proliferation of specialized neural network processors that operate on low-precision integers, the performance of Deep Neural Network inference becomes increasingly dependent on the result of quantization. Despite plenty of prior work on the quantization of weights or activations for neural…

Cited by 87SourceScholar
2019

Mutual Learning of Complementary Networks via Residual Correction for Improving Semi-Supervised Classification

CVPR 2019oral

Deep mutual learning jointly trains multiple essential networks having similar properties to improve semi-supervised classification. However, the commonly used consistency regularization between the outputs of the networks may not fully leverage the difference between them. In this paper, we explore…

Cited by 44PDFScholar
2018

Active Sensing for Measuring Contact of Thin Film Gecko-Inspired Adhesives

RA-L 2018

Active sensing provides a way to assess whether a thin film of gecko-inspired adhesive has made good contact with a surface. This knowledge is useful for applications like gripping objects in space where a failed grasp could lead to loss of the object. Our active sensing approach uses Lamb waves in

Cited by 11SourceScholar