Search Results for author: Kwang-Ting Cheng

Found 70 papers, 42 papers with code

Efficient and accurate neural field reconstruction using resistive memory

no code implementations15 Apr 2024 Yifei Yu, Shaocong Wang, Woyu Zhang, Xinyuan Zhang, Xiuzhe Wu, Yangu He, Jichang Yang, Yue Zhang, Ning Lin, Bo wang, Xi Chen, Songqi Wang, Xumeng Zhang, Xiaojuan Qi, Zhongrui Wang, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

The GE harnesses the intrinsic stochasticity of resistive memory for efficient input encoding, while the PE achieves precise weight mapping through a Hardware-Aware Quantization (HAQ) circuit.

Novel View Synthesis Quantization

Resistive Memory-based Neural Differential Equation Solver for Score-based Diffusion Model

no code implementations8 Apr 2024 Jichang Yang, Hegan Chen, Jia Chen, Songqi Wang, Shaocong Wang, Yifei Yu, Xi Chen, Bo wang, Xinyuan Zhang, Binbin Cui, Ning Lin, Meng Xu, Yi Li, Xiaoxin Xu, Xiaojuan Qi, Zhongrui Wang, Xumeng Zhang, Dashan Shang, Han Wang, Qi Liu, Kwang-Ting Cheng, Ming Liu

Demonstrating equivalent generative quality to the software baseline, our system achieved remarkable enhancements in generative speed for both unconditional and conditional generation tasks, by factors of 64. 8 and 156. 5, respectively.

Edge-computing

MedIAnomaly: A comparative study of anomaly detection in medical images

1 code implementation6 Apr 2024 Yu Cai, Weiwen Zhang, Hao Chen, Kwang-Ting Cheng

Anomaly detection (AD) aims at detecting abnormal samples that deviate from the expected normal patterns.

Anomaly Classification Anomaly Detection +2

SAMCT: Segment Any CT Allowing Labor-Free Task-Indicator Prompts

1 code implementation20 Mar 2024 Xian lin, Yangyang Xiang, Zhehao Wang, Kwang-Ting Cheng, Zengqiang Yan, Li Yu

Specifically, based on SAM, SAMCT is further equipped with a U-shaped CNN image encoder, a cross-branch interaction module, and a task-indicator prompt encoder.

Prompt-Guided Adaptive Model Transformation for Whole Slide Image Classification

no code implementations19 Mar 2024 Yi Lin, Zhengjie ZHU, Kwang-Ting Cheng, Hao Chen

To address this issue, we propose PAMT, a novel Prompt-guided Adaptive Model Transformation framework that enhances MIL classification performance by seamlessly adapting pre-trained models to the specific characteristics of histopathology data.

Image Classification Multiple Instance Learning +1

Rethinking Autoencoders for Medical Anomaly Detection from A Theoretical Perspective

no code implementations14 Mar 2024 Yu Cai, Hao Chen, Kwang-Ting Cheng

To the best of our knowledge, this is the first effort to theoretically clarify the principles and design philosophy of AE for anomaly detection.

Anomaly Detection Philosophy

Iterative Online Image Synthesis via Diffusion Model for Imbalanced Classification

no code implementations13 Mar 2024 Shuhan LI, Yi Lin, Hao Chen, Kwang-Ting Cheng

In this paper, we introduce an Iterative Online Image Synthesis (IOIS) framework to address the class imbalance problem in medical image classification.

Image Classification Image Generation +3

DoRA: Weight-Decomposed Low-Rank Adaptation

4 code implementations14 Feb 2024 Shih-Yang Liu, Chien-Yi Wang, Hongxu Yin, Pavlo Molchanov, Yu-Chiang Frank Wang, Kwang-Ting Cheng, Min-Hung Chen

By employing DoRA, we enhance both the learning capacity and training stability of LoRA while avoiding any additional inference overhead.

Boundary and Relation Distillation for Semantic Segmentation

no code implementations24 Jan 2024 Dong Zhang, Pingcheng Dong, Xinting Hu, Long Chen, Kwang-Ting Cheng

Concurrently, the relation distillation transfers implicit relations from the teacher model to the student model using pixel-level self-relation as a bridge, ensuring that the student's mask has strong target region connectivity.

Implicit Relations Knowledge Distillation +2

BoNuS: Boundary Mining for Nuclei Segmentation with Partial Point Labels

1 code implementation15 Jan 2024 Yi Lin, Zeyu Wang, Dong Zhang, Kwang-Ting Cheng, Hao Chen

To alleviate this problem, in this paper, we propose a weakly-supervised nuclei segmentation method that only requires partial point labels of nuclei.

Multiple Instance Learning Segmentation

Random resistive memory-based deep extreme point learning machine for unified visual processing

no code implementations14 Dec 2023 Shaocong Wang, Yizhao Gao, Yi Li, Woyu Zhang, Yifei Yu, Bo wang, Ning Lin, Hegan Chen, Yue Zhang, Yang Jiang, Dingchen Wang, Jia Chen, Peng Dai, Hao Jiang, Peng Lin, Xumeng Zhang, Xiaojuan Qi, Xiaoxin Xu, Hayden So, Zhongrui Wang, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

Our random resistive memory-based deep extreme point learning machine may pave the way for energy-efficient and training-friendly edge AI across various data modalities and tasks.

CMOSE: Comprehensive Multi-Modality Online Student Engagement Dataset with High-Quality Labels

no code implementations14 Dec 2023 Chi-Hsuan Wu, Shih-Yang Liu, Xijie Huang, Xingbo Wang, Rong Zhang, Luca Minciullo, Wong Kai Yiu, Kenny Kwan, Kwang-Ting Cheng

We also developed a training mechanism, MocoRank, to handle the intra-class variation, the ordinal relationship between different classes, and the data imbalance problem.

Fewer is More: Boosting LLM Reasoning with Reinforced Context Pruning

no code implementations14 Dec 2023 Xijie Huang, Li Lyna Zhang, Kwang-Ting Cheng, Fan Yang, Mao Yang

In this work, we propose CoT-Influx, a novel approach that pushes the boundary of few-shot Chain-of-Thoughts (CoT) learning to improve LLM mathematical reasoning.

Arithmetic Reasoning Few-Shot Learning +3

Pruning random resistive memory for optimizing analogue AI

no code implementations13 Nov 2023 Yi Li, Songqi Wang, Yaping Zhao, Shaocong Wang, Woyu Zhang, Yangu He, Ning Lin, Binbin Cui, Xi Chen, Shiming Zhang, Hao Jiang, Peng Lin, Xumeng Zhang, Xiaojuan Qi, Zhongrui Wang, Xiaoxin Xu, Dashan Shang, Qi Liu, Kwang-Ting Cheng, Ming Liu

Here, we report a universal solution, software-hardware co-design using structural plasticity-inspired edge pruning to optimize the topology of a randomly weighted analogue resistive memory neural network.

Audio Classification Image Segmentation +1

LLM-FP4: 4-Bit Floating-Point Quantized Transformers

1 code implementation25 Oct 2023 Shih-Yang Liu, Zechun Liu, Xijie Huang, Pingcheng Dong, Kwang-Ting Cheng

Our method, for the first time, can quantize both weights and activations in the LLaMA-13B to only 4-bit and achieves an average score of 63. 1 on the common sense zero-shot reasoning tasks, which is only 5. 8 lower than the full-precision model, significantly outperforming the previous state-of-the-art by 12. 7 points.

Common Sense Reasoning Quantization

Bi-Modality Medical Image Synthesis Using Semi-Supervised Sequential Generative Adversarial Networks

no code implementations27 Aug 2023 Xin Yang, Yi Lin, Zhiwei Wang, Xin Li, Kwang-Ting Cheng

A method for measuring the synthesis complexity is proposed to automatically determine the synthesis order in our sequential GAN.

Generative Adversarial Network Image Generation

Radiomics-Informed Deep Learning for Classification of Atrial Fibrillation Sub-Types from Left-Atrium CT Volumes

1 code implementation14 Aug 2023 Weihang Dai, Xiaomeng Li, Taihui Yu, Di Zhao, Jun Shen, Kwang-Ting Cheng

Furthermore, we ensure complementary information is learned by deep and radiomic features by designing a novel feature de-correlation loss.

feature selection

Variation-aware Vision Transformer Quantization

1 code implementation1 Jul 2023 Xijie Huang, Zhiqiang Shen, Kwang-Ting Cheng

We also find that the variations in ViTs cause training oscillations, bringing instability during quantization-aware training (QAT).

Knowledge Distillation Model Compression +1

Efficient Quantization-aware Training with Adaptive Coreset Selection

1 code implementation12 Jun 2023 Xijie Huang, Zechun Liu, Shih-Yang Liu, Kwang-Ting Cheng

Compared with previous coreset selection methods, our method significantly improves QAT performance with different dataset fractions.

Model Compression Quantization

FCA: Taming Long-tailed Federated Medical Image Classification by Classifier Anchoring

1 code implementation1 May 2023 Jeffry Wicaksana, Zengqiang Yan, Kwang-Ting Cheng

To overcome this, we propose federated classifier anchoring (FCA) by adding a personalized classifier at each client to guide and debias the federated model through consistency learning.

Federated Learning Image Classification +3

Compete to Win: Enhancing Pseudo Labels for Barely-supervised Medical Image Segmentation

2 code implementations15 Apr 2023 Huimin Wu, Xiaomeng Li, Yiqun Lin, Kwang-Ting Cheng

This study investigates barely-supervised medical image segmentation where only few labeled data, i. e., single-digit cases are available.

Image Segmentation Pancreas Segmentation +3

Few Shot Medical Image Segmentation with Cross Attention Transformer

1 code implementation24 Mar 2023 Yi Lin, Yufan Chen, Kwang-Ting Cheng, Hao Chen

Our proposed network mines the correlations between the support image and query image, limiting them to focus only on useful foreground information and boosting the representation capacity of both the support prototype and query features.

Few-Shot Learning Image Segmentation +3

Boosting Convolution with Efficient MLP-Permutation for Volumetric Medical Image Segmentation

no code implementations23 Mar 2023 Yi Lin, Xiao Fang, Dong Zhang, Kwang-Ting Cheng, Hao Chen

Recently, the advent of vision Transformer (ViT) has brought substantial advancements in 3D dataset benchmarks, particularly in 3D volumetric medical image segmentation (Vol-MedSeg).

Image Segmentation Semantic Segmentation +1

Vessel-Promoted OCT to OCTA Image Translation by Heuristic Contextual Constraints

1 code implementation13 Mar 2023 Shuhan LI, Dong Zhang, Xiaomeng Li, Chubin Ou, Lin An, Yanwu Xu, Kwang-Ting Cheng

In this paper, we propose a novel framework, TransPro, that translates 3D Optical Coherence Tomography (OCT) images into exclusive 3D OCTA images using an image translation pattern.

Translation

Semi-Supervised Deep Regression with Uncertainty Consistency and Variational Model Ensembling via Bayesian Neural Networks

1 code implementation15 Feb 2023 Weihang Dai, Xiaomeng Li, Kwang-Ting Cheng

In this work, we propose a novel approach to semi-supervised regression, namely Uncertainty-Consistent Variational Model Ensembling (UCVME), which improves training by generating high-quality pseudo-labels and uncertainty estimates for heteroscedastic regression.

Age Estimation regression

Oscillation-free Quantization for Low-bit Vision Transformers

1 code implementation4 Feb 2023 Shih-Yang Liu, Zechun Liu, Kwang-Ting Cheng

In addition, we also found that the interdependence between quantized weights in $\textit{query}$ and $\textit{key}$ of a self-attention layer makes ViT vulnerable to oscillation.

Quantization

Randomized Quantization: A Generic Augmentation for Data Agnostic Self-supervised Learning

1 code implementation ICCV 2023 Huimin Wu, Chenyang Lei, Xiao Sun, Peng-Shuai Wang, Qifeng Chen, Kwang-Ting Cheng, Stephen Lin, Zhirong Wu

Self-supervised representation learning follows a paradigm of withholding some part of the data and tasking the network to predict it from the remaining part.

Data Augmentation Quantization +2

Cyclical Self-Supervision for Semi-Supervised Ejection Fraction Prediction from Echocardiogram Videos

1 code implementation20 Oct 2022 Weihang Dai, Xiaomeng Li, Xinpeng Ding, Kwang-Ting Cheng

We also introduce teacher-student distillation to distill the information from LV segmentation masks into an end-to-end LVEF regression model that only requires video inputs.

LV Segmentation regression +2

Dual-distribution discrepancy with self-supervised refinement for anomaly detection in medical images

1 code implementation9 Oct 2022 Yu Cai, Hao Chen, Xin Yang, Yu Zhou, Kwang-Ting Cheng

Due to the high-cost annotations of abnormal images, most methods utilize only known normal images during training and identify samples deviating from the normal profile as anomalies in the testing phase.

Anomaly Detection Self-Supervised Learning

Graph Reasoning Transformer for Image Parsing

no code implementations20 Sep 2022 Dong Zhang, Jinhui Tang, Kwang-Ting Cheng

In this paper, we propose a novel Graph Reasoning Transformer (GReaT) for image parsing to enable image patches to interact following a relation reasoning pattern.

Relation

Dynamic Sub-Cluster-Aware Network for Few-Shot Skin Disease Classification

1 code implementation3 Jul 2022 Shuhan LI, Xiaomeng Li, Xiaowei Xu, Kwang-Ting Cheng

To achieve the objective of the second branch, we present a cluster loss to learn image similarities via unsupervised clustering.

Classification Clustering +3

BATFormer: Towards Boundary-Aware Lightweight Transformer for Efficient Medical Image Segmentation

2 code implementations29 Jun 2022 Xian lin, Li Yu, Kwang-Ting Cheng, Zengqiang Yan

Specifically, to fully explore the benefits of transformers in long-range dependency establishment, a cross-scale global transformer (CGT) module is introduced to jointly utilize multiple small-scale feature maps for richer global features with lower computational complexity.

Image Segmentation Medical Image Segmentation +3

FedIIC: Towards Robust Federated Learning for Class-Imbalanced Medical Image Classification

1 code implementation28 Jun 2022 Nannan Wu, Li Yu, Xin Yang, Kwang-Ting Cheng, Zengqiang Yan

In this paper, we present a privacy-preserving FL method named FedIIC to combat class imbalance from two perspectives: feature learning and classifier learning.

Contrastive Learning Federated Learning +3

Dual-Distribution Discrepancy for Anomaly Detection in Chest X-Rays

1 code implementation8 Jun 2022 Yu Cai, Hao Chen, Xin Yang, Yu Zhou, Kwang-Ting Cheng

Subsequently, inter-discrepancy between the two modules, and intra-discrepancy inside the module that is trained on only normal images are designed as anomaly scores to indicate anomalies.

One-Class Classification

FedMix: Mixed Supervised Federated Learning for Medical Image Segmentation

1 code implementation4 May 2022 Jeffry Wicaksana, Zengqiang Yan, Dong Zhang, Xijie Huang, Huimin Wu, Xin Yang, Kwang-Ting Cheng

To relax this assumption, in this work, we propose a label-agnostic unified federated learning framework, named FedMix, for medical image segmentation based on mixed image labels.

Federated Learning Image Segmentation +4

Stereo Neural Vernier Caliper

1 code implementation21 Mar 2022 Shichao Li, Zechun Liu, Zhiqiang Shen, Kwang-Ting Cheng

We propose a new object-centric framework for learning-based stereo 3D object detection.

3D Object Detection Object +1

Nuclei Segmentation with Point Annotations from Pathology Images via Self-Supervised Learning and Co-Training

1 code implementation16 Feb 2022 Yi Lin, Zhiyong Qu, Hao Chen, Zhongke Gao, Yuexiang Li, Lili Xia, Kai Ma, Yefeng Zheng, Kwang-Ting Cheng

Third, a self-supervised visual representation learning method is tailored for nuclei segmentation of pathology images that transforms the hematoxylin component images into the H&E stained images to gain better understanding of the relationship between the nuclei and cytoplasm.

Representation Learning Segmentation +2

Vision Transformer Slimming: Multi-Dimension Searching in Continuous Optimization Space

1 code implementation CVPR 2022 Arnav Chavan, Zhiqiang Shen, Zhuang Liu, Zechun Liu, Kwang-Ting Cheng, Eric Xing

This paper explores the feasibility of finding an optimal sub-model from a vision transformer and introduces a pure vision transformer slimming (ViT-Slim) framework.

Data-Free Neural Architecture Search via Recursive Label Calibration

no code implementations3 Dec 2021 Zechun Liu, Zhiqiang Shen, Yun Long, Eric Xing, Kwang-Ting Cheng, Chas Leichner

We identify that the NAS task requires the synthesized data (we target at image domain here) with enough semantics, diversity, and a minimal domain gap from the natural images.

Neural Architecture Search

Nonuniform-to-Uniform Quantization: Towards Accurate Quantization via Generalized Straight-Through Estimation

1 code implementation CVPR 2022 Zechun Liu, Kwang-Ting Cheng, Dong Huang, Eric Xing, Zhiqiang Shen

The nonuniform quantization strategy for compressing neural networks usually achieves better performance than its counterpart, i. e., uniform strategy, due to its superior representational capacity.

Quantization

Joint stereo 3D object detection and implicit surface reconstruction

1 code implementation25 Nov 2021 Shichao Li, Kwang-Ting Cheng

We present a new learning-based framework S-3D-RCNN that can recover accurate object orientation in SO(3) and simultaneously predict implicit shapes for outdoor rigid objects from stereo RGB images.

3D Object Detection Hallucination +4

Exploring Feature Representation Learning for Semi-supervised Medical Image Segmentation

1 code implementation22 Nov 2021 Huimin Wu, Xiaomeng Li, Kwang-Ting Cheng

A stage-adaptive contrastive learning method is proposed, containing a boundary-aware contrastive loss that takes advantage of the labeled images in the first stage, as well as a prototype-aware contrastive loss to optimize both labeled and pseudo labeled images in the second stage.

Contrastive Learning Image Segmentation +4

Automated Pulmonary Embolism Detection from CTPA Images Using an End-to-End Convolutional Neural Network

no code implementations10 Nov 2021 Yi Lin, Jianchao Su, Xiang Wang, Xiang Li, Jingen Liu, Kwang-Ting Cheng, Xin Yang

We have evaluated our approach using the 20 CTPA test dataset from the PE challenge, achieving a sensitivity of 78. 9%, 80. 7% and 80. 7% at 2 false positives per volume at 0mm, 2mm and 5mm localization error, which is superior to the state-of-the-art methods.

Pulmonary Embolism Detection

R2F: A Remote Retraining Framework for AIoT Processors with Computing Errors

no code implementations7 Jul 2021 Dawen Xu, Meng He, Cheng Liu, Ying Wang, Long Cheng, Huawei Li, Xiaowei Li, Kwang-Ting Cheng

It takes the remote AIoT processor with soft errors in the training loop such that the on-site computing errors can be learned with the application data on the server and the retrained models can be resilient to the soft errors.

How Do Adam and Training Strategies Help BNNs Optimization?

no code implementations21 Jun 2021 Zechun Liu, Zhiqiang Shen, Shichao Li, Koen Helwegen, Dong Huang, Kwang-Ting Cheng

We show the regularization effect of second-order momentum in Adam is crucial to revitalize the weights that are dead due to the activation saturation in BNNs.

LENAS: Learning-based Neural Architecture Search and Ensemble for 3D Radiotherapy Dose Prediction

no code implementations12 Jun 2021 Yi Lin, Yanfei Liu, Hao Chen, Xin Yang, Kai Ma, Yefeng Zheng, Kwang-Ting Cheng

To the best of our knowledge, this is the first attempt to investigate NAS and knowledge distillation in ensemble learning, especially in the field of medical image analysis.

Ensemble Learning Knowledge Distillation +1

S2-BNN: Bridging the Gap Between Self-Supervised Real and 1-bit Neural Networks via Guided Distribution Calibration

1 code implementation CVPR 2021 Zhiqiang Shen, Zechun Liu, Jie Qin, Lei Huang, Kwang-Ting Cheng, Marios Savvides

In this paper, we focus on this more difficult scenario: learning networks where both weights and activations are binary, meanwhile, without any human annotated labels.

Contrastive Learning Self-Supervised Learning

Partial Is Better Than All: Revisiting Fine-tuning Strategy for Few-shot Learning

no code implementations8 Feb 2021 Zhiqiang Shen, Zechun Liu, Jie Qin, Marios Savvides, Kwang-Ting Cheng

A common practice for this task is to train a model on the base set first and then transfer to novel classes through fine-tuning (Here fine-tuning procedure is defined as transferring knowledge from base to novel data, i. e. learning to transfer in few-shot scenario.)

Few-Shot Learning

Cascaded deep monocular 3D human pose estimation with evolutionary training data

1 code implementation CVPR 2020 Shichao Li, Lei Ke, Kevin Pratama, Yu-Wing Tai, Chi-Keung Tang, Kwang-Ting Cheng

End-to-end deep representation learning has achieved remarkable accuracy for monocular 3D human pose estimation, yet these models may fail for unseen poses with limited and fixed training data.

Data Augmentation Monocular 3D Human Pose Estimation +3

Joint Multi-Dimension Pruning via Numerical Gradient Update

no code implementations18 May 2020 Zechun Liu, Xiangyu Zhang, Zhiqiang Shen, Zhe Li, Yichen Wei, Kwang-Ting Cheng, Jian Sun

To tackle these three naturally different dimensions, we proposed a general framework by defining pruning as seeking the best pruning vector (i. e., the numerical value of layer-wise channel number, spacial size, depth) and construct a unique mapping from the pruning vector to the pruned network structures.

Binarizing MobileNet via Evolution-based Searching

no code implementations CVPR 2020 Hai Phan, Zechun Liu, Dang Huynh, Marios Savvides, Kwang-Ting Cheng, Zhiqiang Shen

Inspired by one-shot architecture search frameworks, we manipulate the idea of group convolution to design efficient 1-Bit Convolutional Neural Networks (CNNs), assuming an approximately optimal trade-off between computational cost and model accuracy.

ReActNet: Towards Precise Binary Neural Network with Generalized Activation Functions

4 code implementations ECCV 2020 Zechun Liu, Zhiqiang Shen, Marios Savvides, Kwang-Ting Cheng

In this paper, we propose several ideas for enhancing a binary network to close its accuracy gap from real-valued networks without incurring any additional computational cost.

Facial age estimation by deep residual decision making

2 code implementations28 Aug 2019 Shichao Li, Kwang-Ting Cheng

Residual representation learning simplifies the optimization problem of learning complex functions and has been widely used by traditional convolutional neural networks.

Age Estimation Decision Making +1

Latent Weights Do Not Exist: Rethinking Binarized Neural Network Optimization

3 code implementations NeurIPS 2019 Koen Helwegen, James Widdicombe, Lukas Geiger, Zechun Liu, Kwang-Ting Cheng, Roeland Nusselder

Together, the redefinition of latent weights as inertia and the introduction of Bop enable a better understanding of BNN optimization and open up the way for further improvements in training methodologies for BNNs.

Visualizing the decision-making process in deep neural decision forest

1 code implementation19 Apr 2019 Shichao Li, Kwang-Ting Cheng

Deep neural decision forest (NDF) achieved remarkable performance on various vision tasks via combining decision tree and deep representation learning.

Decision Making General Classification +2

Semi-supervised mp-MRI Data Synthesis with StitchLayer and Auxiliary Distance Maximization

no code implementations17 Dec 2018 Zhiwei Wang, Yi Lin, Kwang-Ting Cheng, Xin Yang

Experimental results show that our method can effectively synthesize a large variety of mpMRI images which contain meaningful CS PCa lesions, display a good visual quality and have the correct paired relationship.

Synthesizing Multi-Parameter Magnetic Resonance Imaging (Mp-Mri) Data

Bi-Real Net: Binarizing Deep Network Towards Real-Network Performance

1 code implementation4 Nov 2018 Zechun Liu, Wenhan Luo, Baoyuan Wu, Xin Yang, Wei Liu, Kwang-Ting Cheng

To address the training difficulty, we propose a training algorithm using a tighter approximation to the derivative of the sign function, a magnitude-aware gradient for weight updating, a better initialization method, and a two-step scheme for training a deep network.

Depth Estimation

Cannot find the paper you are looking for? You can Submit a new open access paper.