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Zichen Tian

6 accepted papers

2023

Towards Efficient Use of Multi-Scale Features in Transformer-Based Object Detectors

CVPR 2023poster

Multi-scale features have been proven highly effective for object detection but often come with huge and even prohibitive extra computation costs, especially for the recent Transformer-based detectors. In this paper, we propose Iterative Multi-scale Feature Aggregation (IMFA) - a generic paradigm th…

2022

Fourier Document Restoration for Robust Document Dewarping and Recognition

CVPR 2022poster

State-of-the-art document dewarping techniques learn to predict 3-dimensional information of documents which are prone to errors while dealing with documents with irregular distortions or large variations in depth. This paper presents FDRNet, a Fourier Document Restoration Network that can restore d…

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