Search Results for author: Kai-Fu Yang

Found 9 papers, 2 papers with code

Weak Supervision with Arbitrary Single Frame for Micro- and Macro-expression Spotting

no code implementations21 Mar 2024 Wang-Wang Yu, Xian-Shi Zhang, Fu-Ya Luo, Yijun Cao, Kai-Fu Yang, Hong-Mei Yan, Yong-Jie Li

Frame-level micro- and macro-expression spotting methods require time-consuming frame-by-frame observation during annotation.

Contrastive Learning Pseudo Label

Nighttime Thermal Infrared Image Colorization with Feedback-based Object Appearance Learning

1 code implementation24 Oct 2023 Fu-Ya Luo, Shu-Lin Liu, Yi-Jun Cao, Kai-Fu Yang, Chang-Yong Xie, Yong liu, Yong-Jie Li

Extensive experiments illustrate that the proposed FoalGAN is not only effective for appearance learning of small objects, but also outperforms other image translation methods in terms of semantic preservation and edge consistency for the NTIR2DC task.

Colorization Generative Adversarial Network +2

Memory-Guided Collaborative Attention for Nighttime Thermal Infrared Image Colorization

1 code implementation5 Aug 2022 Fu-Ya Luo, Yi-Jun Cao, Kai-Fu Yang, Yong-Jie Li

Nighttime thermal infrared (NTIR) image colorization, also known as translation of NTIR images into daytime color images (NTIR2DC), is a promising research direction to facilitate nighttime scene perception for humans and intelligent systems under unfavorable conditions (e. g., complete darkness).

Colorization Generative Adversarial Network +5

Learning to Adapt to Light

no code implementations16 Feb 2022 Kai-Fu Yang, Cheng Cheng, Shi-Xuan Zhao, Xian-Shi Zhang, Yong-Jie Li

Light adaptation or brightness correction is a key step in improving the contrast and visual appeal of an image.

Image Enhancement Tone Mapping

Line Drawings of Natural Scenes Guide Visual Attention

no code implementations19 Dec 2019 Kai-Fu Yang, Wen-Wen Jiang, Teng-Fei Zhan, Yong-Jie Li

In order to verify the specific roles of scene layout and regional cues in guiding visual attention, we executed a psychophysical experiment to record the human fixations on line drawings of natural scenes with an eye-tracking system in this work.

Salient Structure Detection by Context-Guided Visual Search

no code implementations17 May 2015 Kai-Fu Yang, Hui Li, Chao-Yi Li, Yong-Jie Li

We define the task of salient structure (SS) detection to unify the saliency-related tasks like fixation prediction, salient object detection, and other detection of structures of interest.

Bayesian Inference Object +3

Nearest Descent, In-Tree, and Clustering

no code implementations7 Dec 2014 Teng Qiu, Kai-Fu Yang, Chao-Yi Li, Yong-Jie Li

In particular, the rule of ND works to select the nearest node in the descending direction of potential as the parent node of each node, which is in essence different from the classical Gradient Descent or Steepest Descent.

Clustering

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