Search Results for author: Zhijie Wang

Found 17 papers, 6 papers with code

PromptCharm: Text-to-Image Generation through Multi-modal Prompting and Refinement

1 code implementation6 Mar 2024 Zhijie Wang, Yuheng Huang, Da Song, Lei Ma, Tianyi Zhang

However, prompting remains challenging for novice users due to the complexity of the stable diffusion model and the non-trivial efforts required for iteratively editing and refining the text prompts.

Image Inpainting Prompt Engineering +1

Look Before You Leap: An Exploratory Study of Uncertainty Measurement for Large Language Models

no code implementations16 Jul 2023 Yuheng Huang, Jiayang Song, Zhijie Wang, Shengming Zhao, Huaming Chen, Felix Juefei-Xu, Lei Ma

In particular, we experiment with twelve uncertainty estimation methods and four LLMs on four prominent natural language processing (NLP) tasks to investigate to what extent uncertainty estimation techniques could help characterize the prediction risks of LLMs.

Code Generation Hallucination +1

Benchmarking Robustness of AI-Enabled Multi-sensor Fusion Systems: Challenges and Opportunities

no code implementations6 Jun 2023 Xinyu Gao, Zhijie Wang, Yang Feng, Lei Ma, Zhenyu Chen, Baowen Xu

Multi-Sensor Fusion (MSF) based perception systems have been the foundation in supporting many industrial applications and domains, such as self-driving cars, robotic arms, and unmanned aerial vehicles.

Benchmarking Depth Completion +5

Is Model Attention Aligned with Human Attention? An Empirical Study on Large Language Models for Code Generation

no code implementations2 Jun 2023 Bonan Kou, Shengmai Chen, Zhijie Wang, Lei Ma, Tianyi Zhang

Through a quantitative experiment and a user study, we confirmed that, among twelve different attention computation methods, attention computed by the perturbation-based method is most aligned with human attention and is constantly favored by human programmers.

Code Generation

Towards Efficient Deep Hashing Retrieval: Condensing Your Data via Feature-Embedding Matching

1 code implementation29 May 2023 Tao Feng, Jie Zhang, Peizheng Wang, Zhijie Wang

The expenses involved in training state-of-the-art deep hashing retrieval models have witnessed an increase due to the adoption of more sophisticated models and large-scale datasets.

Dataset Condensation Deep Hashing

DeepSeer: Interactive RNN Explanation and Debugging via State Abstraction

1 code implementation2 Mar 2023 Zhijie Wang, Yuheng Huang, Da Song, Lei Ma, Tianyi Zhang

The core of DeepSeer is a state abstraction method that bundles semantically similar hidden states in an RNN model and abstracts the model as a finite state machine.

Explainable Artificial Intelligence (XAI)

DeepLens: Interactive Out-of-distribution Data Detection in NLP Models

1 code implementation2 Mar 2023 Da Song, Zhijie Wang, Yuheng Huang, Lei Ma, Tianyi Zhang

In this work, we propose DeepLens, an interactive system that helps users detect and explore OOD issues in massive text corpora.

Text Clustering

An Exploratory Study of AI System Risk Assessment from the Lens of Data Distribution and Uncertainty

no code implementations13 Dec 2022 Zhijie Wang, Yuheng Huang, Lei Ma, Haruki Yokoyama, Susumu Tokumoto, Kazuki Munakata

More importantly, it also lacks systematic investigation on how to perform the risk assessment for AI systems from unit level to system level.

AI-driven Mobile Apps: an Explorative Study

1 code implementation3 Dec 2022 Yinghua Li, Xueqi Dang, Haoye Tian, Tiezhu Sun, Zhijie Wang, Lei Ma, Jacques Klein, Tegawende F. Bissyande

In this paper, we conduct the most extensive empirical study on 56, 682 published AI apps from three perspectives: dataset characteristics, development issues, and user feedback and privacy.

Common Corruption Robustness of Point Cloud Detectors: Benchmark and Enhancement

no code implementations12 Oct 2022 Shuangzhi Li, Zhijie Wang, Felix Juefei-Xu, Qing Guo, Xingyu Li, Lei Ma

Then, for the first attempt, we construct a benchmark based on the physical-aware common corruptions for point cloud detectors, which contains a total of 1, 122, 150 examples covering 7, 481 scenes, 25 common corruption types, and 6 severities.

Autonomous Driving Cloud Detection +4

Rethinking Unsupervised Domain Adaptation for Semantic Segmentation

2 code implementations30 Jun 2022 Zhijie Wang, Masanori Suganuma, Takayuki Okatani

Due to its high annotation cost, researchers have developed many UDA methods for semantic segmentation, which assume no labeled sample is available in the target domain.

Semantic Segmentation Unsupervised Domain Adaptation

ArchRepair: Block-Level Architecture-Oriented Repairing for Deep Neural Networks

no code implementations26 Nov 2021 Hua Qi, Zhijie Wang, Qing Guo, Jianlang Chen, Felix Juefei-Xu, Lei Ma, Jianjun Zhao

In this work, as the first attempt, we initiate to repair DNNs by jointly optimizing the architecture and weights at a higher (i. e., block) level.

Cross-Region Domain Adaptation for Class-level Alignment

no code implementations14 Sep 2021 Zhijie Wang, Xing Liu, Masanori Suganuma, Takayuki Okatani

To cope with this, we propose a method that applies adversarial training to align two feature distributions in the target domain.

Semantic Segmentation Synthetic-to-Real Translation +1

Improved Few-shot Segmentation by Redefinition of the Roles of Multi-level CNN Features

no code implementations14 Sep 2021 Zhijie Wang, Masanori Suganuma, Takayuki Okatani

This study is concerned with few-shot segmentation, i. e., segmenting the region of an unseen object class in a query image, given support image(s) of its instances.

CarveNet: Carving Point-Block for Complex 3D Shape Completion

no code implementations28 Jul 2021 Qing Guo, Zhijie Wang, Felix Juefei-Xu, Di Lin, Lei Ma, Wei Feng, Yang Liu

3D point cloud completion is very challenging because it heavily relies on the accurate understanding of the complex 3D shapes (e. g., high-curvature, concave/convex, and hollowed-out 3D shapes) and the unknown & diverse patterns of the partially available point clouds.

Data Augmentation Point Cloud Completion

Deep Learning Models to Predict Pediatric Asthma Emergency Department Visits

no code implementations25 Jul 2019 Xiao Wang, Zhijie Wang, Yolande M. Pengetnze, Barry S. Lachman, Vikas Chowdhry

Pediatric asthma is the most prevalent chronic childhood illness, afflicting about 6. 2 million children in the United States.

Management regression

Supervised Descriptor Learning for Multi-Output Regression

no code implementations CVPR 2015 Xiantong Zhen, Zhijie Wang, Mengyang Yu, Shuo Li

In this paper, we propose a novel supervised descriptor learning (SDL) algorithm to establish a discriminative and compact feature representation for multi-output regression.

Head Pose Estimation regression

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