Search Results for author: Chang Sun

Found 17 papers, 3 papers with code

Recent Trends of Multimodal Affective Computing: A Survey from NLP Perspective

1 code implementation11 Sep 2024 Guimin Hu, Yi Xin, Weimin Lyu, Haojian Huang, Chang Sun, Zhihong Zhu, Lin Gui, Ruichu Cai

The goal of this survey is to explore the current landscape of multimodal affective research, identify development trends, and highlight the similarities and differences across various tasks, offering a comprehensive report on the recent progress in multimodal affective computing from an NLP perspective.

Aspect-Based Sentiment Analysis Emotion Recognition in Conversation +2

Enhancing context models for point cloud geometry compression with context feature residuals and multi-loss

no code implementations11 Jul 2024 Chang Sun, Hui Yuan, Shuai Li, Xin Lu, Raouf Hamzaoui

In point cloud geometry compression, context models usually use the one-hot encoding of node occupancy as the label, and the cross-entropy between the one-hot encoding and the probability distribution predicted by the context model as the loss function.

Enhancing octree-based context models for point cloud geometry compression with attention-based child node number prediction

no code implementations11 Jul 2024 Chang Sun, Hui Yuan, Xiaolong Mao, Xin Lu, Raouf Hamzaoui

The proposed module can predict the number of occupied child nodes and map it into an 8- dimensional vector to assist the context model in predicting the probability distribution of the occupancy of the current node for efficient entropy coding.

Generative AI for Synthetic Data Across Multiple Medical Modalities: A Systematic Review of Recent Developments and Challenges

no code implementations27 Jun 2024 Mahmoud Ibrahim, Yasmina Al Khalil, Sina Amirrajab, Chang Sun, Marcel Breeuwer, Josien Pluim, Bart Elen, Gokhan Ertaylan, Michel Dumontier

While conditional models incorporating class labels, segmentation masks and image translations are prevalent, there is a gap in utilizing prior clinical knowledge and patient-specific context, suggesting a need for more personalized synthesis approaches and emphasizing the importance of tailoring generative approaches to the unique characteristics of medical data.

Benchmarking Clinical Knowledge

JEP-KD: Joint-Embedding Predictive Architecture Based Knowledge Distillation for Visual Speech Recognition

no code implementations4 Mar 2024 Chang Sun, Hong Yang, Bo Qin

Visual Speech Recognition (VSR) tasks are generally recognized to have a lower theoretical performance ceiling than Automatic Speech Recognition (ASR), owing to the inherent limitations of conveying semantic information visually.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

KDSM: An uplift modeling framework based on knowledge distillation and sample matching

no code implementations6 Mar 2023 Chang Sun, Qianying Li, Guanxiang Wang, Sihao Xu, Yitong Liu

The teacher model is the uplift decision tree (UpliftDT), whose structure is exploited to construct counterfactual sample pairs, and the pairwise incremental prediction is treated as another objective for the student model.

counterfactual Knowledge Distillation +1

TAPS Responsibility Matrix: A tool for responsible data science by design

no code implementations2 Feb 2023 Visara Urovi, Remzi Celebi, Chang Sun, Linda Rieswijk, Michael Erard, Arif Yilmaz, Kody Moodley, Parveen Kumar, Michel Dumontier

However, guidance on the responsibilities of the data scientists and the other involved actors in a data science project is typically missing.

Management

Physical Logic Enhanced Network for Small-Sample Bi-Layer Metallic Tubes Bending Springback Prediction

no code implementations20 Sep 2022 Chang Sun, Zili Wang, Shuyou Zhang, Le Wang, Jianrong Tan

In the second stage, under the physical logic, the PE-NET is assembled by ES-NET and SP-NET and then fine-tuned with the small sample BMT dataset and composite loss function.

Digital-twin-enhanced metal tube bending forming real-time prediction method based on Multi-source-input MTL

no code implementations3 Jul 2022 Chang Sun, Zili Wang, Shuyou Zhang, Taotao Zhou, Jie Li, Jianrong Tan

To address this issue, a digital-twin-enhanced (DT-enhanced) metal tube bending forming real-time prediction method based on multi-source-input multi-task learning (MTL) is proposed.

Multi-Task Learning

Improving Correlation Capture in Generating Imbalanced Data using Differentially Private Conditional GANs

no code implementations28 Jun 2022 Chang Sun, Johan van Soest, Michel Dumontier

Finally, we present the balance between data utility and privacy in synthetic data generation considering the different data structure and characteristics of real-world datasets such as imbalance variables, abnormal distributions, and sparsity of data.

Privacy Preserving Synthetic Data Generation

A Lightweight Dual-Domain Attention Framework for Sparse-View CT Reconstruction

no code implementations19 Feb 2022 Chang Sun, Ken Deng, Yitong Liu, Hongwen Yang

After the restored Radon data is reconstructed to an image, the image is sent into the second CAGAN trained for recovering the details, so that a high-quality image is obtained.

Computed Tomography (CT) CT Reconstruction

Real-Time Limited-View CT Inpainting and Reconstruction with Dual Domain Based on Spatial Information

no code implementations19 Jan 2021 Ken Deng, Chang Sun, Yitong Liu, Hongwen Yang

In stage one, to better utilize prior information in the Radon domain, we design an adversarial autoencoder to complement the Radon data.

SSIM Video Inpainting

A Lightweight Structure Aimed to Utilize Spatial Correlation for Sparse-View CT Reconstruction

no code implementations19 Jan 2021 Yitong Liu, Ken Deng, Chang Sun, Hongwen Yang

Sparse-view computed tomography (CT) is known as a widely used approach to reduce radiation dose while accelerating imaging through lowered projection views and correlated calculations.

Computed Tomography (CT) CT Reconstruction +1

Knowledge Graphs Evolution and Preservation -- A Technical Report from ISWS 2019

no code implementations22 Dec 2020 Nacira Abbas, Kholoud Alghamdi, Mortaza Alinam, Francesca Alloatti, Glenda Amaral, Claudia d'Amato, Luigi Asprino, Martin Beno, Felix Bensmann, Russa Biswas, Ling Cai, Riley Capshaw, Valentina Anita Carriero, Irene Celino, Amine Dadoun, Stefano De Giorgis, Harm Delva, John Domingue, Michel Dumontier, Vincent Emonet, Marieke van Erp, Paola Espinoza Arias, Omaima Fallatah, Sebastián Ferrada, Marc Gallofré Ocaña, Michalis Georgiou, Genet Asefa Gesese, Frances Gillis-Webber, Francesca Giovannetti, Marìa Granados Buey, Ismail Harrando, Ivan Heibi, Vitor Horta, Laurine Huber, Federico Igne, Mohamad Yaser Jaradeh, Neha Keshan, Aneta Koleva, Bilal Koteich, Kabul Kurniawan, Mengya Liu, Chuangtao Ma, Lientje Maas, Martin Mansfield, Fabio Mariani, Eleonora Marzi, Sepideh Mesbah, Maheshkumar Mistry, Alba Catalina Morales Tirado, Anna Nguyen, Viet Bach Nguyen, Allard Oelen, Valentina Pasqual, Heiko Paulheim, Axel Polleres, Margherita Porena, Jan Portisch, Valentina Presutti, Kader Pustu-Iren, Ariam Rivas Mendez, Soheil Roshankish, Sebastian Rudolph, Harald Sack, Ahmad Sakor, Jaime Salas, Thomas Schleider, Meilin Shi, Gianmarco Spinaci, Chang Sun, Tabea Tietz, Molka Tounsi Dhouib, Alessandro Umbrico, Wouter van den Berg, Weiqin Xu

Although linked open data (LOD) is one knowledge graph, it is the closest realisation (and probably the only one) to a public FAIR Knowledge Graph (KG) of everything.

Common Sense Reasoning Knowledge Graphs

Deep reinforcement learning for optical systems: A case study of mode-locked lasers

no code implementations10 Jun 2020 Chang Sun, Eurika Kaiser, Steven L. Brunton, J. Nathan Kutz

We demonstrate that deep reinforcement learning (deep RL) provides a highly effective strategy for the control and self-tuning of optical systems.

Navigate reinforcement-learning +4

Privacy-Preserving Generalized Linear Models using Distributed Block Coordinate Descent

1 code implementation8 Nov 2019 Erik-Jan van Kesteren, Chang Sun, Daniel L. Oberski, Michel Dumontier, Lianne Ippel

We conclude that our method is a viable approach for vertically partitioned data analysis with a wide range of real-world applications.

Privacy Preserving

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