Search Results for author: Zhen Jia

Found 8 papers, 3 papers with code

Human Image Generation: A Comprehensive Survey

no code implementations17 Dec 2022 Zhen Jia, Zhang Zhang, Liang Wang, Tieniu Tan

Image and video synthesis has become a blooming topic in computer vision and machine learning communities along with the developments of deep generative models, due to its great academic and application value.

Data Augmentation Image Generation +2

DRAformer: Differentially Reconstructed Attention Transformer for Time-Series Forecasting

no code implementations11 Jun 2022 Benhan Li, Shengdong Du, Tianrui Li, Jie Hu, Zhen Jia

Time-series forecasting plays an important role in many real-world scenarios, such as equipment life cycle forecasting, weather forecasting, and traffic flow forecasting.

Time Series Forecasting Weather Forecasting

Manifoldron: Direct Space Partition via Manifold Discovery

2 code implementations14 Jan 2022 Dayang Wang, Feng-Lei Fan, Bo-Jian Hou, Hao Zhang, Zhen Jia, Boce Zhou, Rongjie Lai, Hengyong Yu, Fei Wang

A neural network with the widely-used ReLU activation has been shown to partition the sample space into many convex polytopes for prediction.

BIG-bench Machine Learning

Complex Temporal Question Answering on Knowledge Graphs

1 code implementation18 Sep 2021 Zhen Jia, Soumajit Pramanik, Rishiraj Saha Roy, Gerhard Weikum

This work presents EXAQT, the first end-to-end system for answering complex temporal questions that have multiple entities and predicates, and associated temporal conditions.

Entity Embeddings Knowledge Graphs +1

Focal and Efficient IOU Loss for Accurate Bounding Box Regression

no code implementations20 Jan 2021 Yi-Fan Zhang, Weiqiang Ren, Zhang Zhang, Zhen Jia, Liang Wang, Tieniu Tan

(ii) Most of the loss functions ignore the imbalance problem in BBR that the large number of anchor boxes which have small overlaps with the target boxes contribute most to the optimization of BBR.

object-detection Object Detection +2

TEQUILA: Temporal Question Answering over Knowledge Bases

no code implementations9 Aug 2019 Zhen Jia, Abdalghani Abujabal, Rishiraj Saha Roy, Jannik Stroetgen, Gerhard Weikum

An important case, addressed here, is that of temporal questions, where cues for temporal relations need to be discovered and handled.

Question Answering

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