Search Results for author: Yifang Xu

Found 9 papers, 2 papers with code

Pyramid Feature Attention Network for Monocular Depth Prediction

no code implementations3 Mar 2024 Yifang Xu, Chenglei Peng, Ming Li, Yang Li, Sidan Du

Deep convolutional neural networks (DCNNs) have achieved great success in monocular depth estimation (MDE).

Depth Prediction Monocular Depth Estimation

GPTSee: Enhancing Moment Retrieval and Highlight Detection via Description-Based Similarity Features

no code implementations3 Mar 2024 Yunzhuo Sun, Yifang Xu, Zien Xie, Yukun Shu, Sidan Du

First, MiniGPT-4 is employed to generate the detailed description of the video frame and rewrite the query statement, fed into the encoder as new features.

Highlight Detection Moment Retrieval +3

MH-DETR: Video Moment and Highlight Detection with Cross-modal Transformer

no code implementations29 Apr 2023 Yifang Xu, Yunzhuo Sun, Yang Li, Yilei Shi, Xiaoxiang Zhu, Sidan Du

With the increasing demand for video understanding, video moment and highlight detection (MHD) has emerged as a critical research topic.

Highlight Detection Video Understanding

Learning-based Natural Geometric Matching with Homography Prior

no code implementations13 Jul 2018 Yifang Xu, Tianli Liao, Jing Chen

Then, we parametrize homography transformation with 9 parameters in full connected layer of our network, to better characterize large viewpoint variations compared with affine transformation.

Geometric Matching

Coarse-to-fine Seam Estimation for Image Stitching

no code implementations24 May 2018 Tianli Liao, Jing Chen, Yifang Xu

For pixels on the seam, we develop a patch-point evaluation algorithm concentrating more on the correlation and variation of them.

Image Stitching

Ratio-Preserving Half-Cylindrical Warps for Natural Image Stitching

no code implementations18 Mar 2018 Yifang Xu, Jing Chen, Tianli Liao

The pixel selection strategy then samples the points in horizontal and reconstructs the image via interpolation to further reduce horizontal distortion by maintaining the ratio as similarity.

Image Stitching

Quasi-homography warps in image stitching

no code implementations27 Jan 2017 Nan Li, Yifang Xu, Chao Wang

The naturalness of warps is gaining extensive attentions in image stitching.

Image Stitching

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