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Agricultural image semantic segmentation is a pivotal component of modern agriculture, facilitating accurate visual data analysis to improve crop management, optimize resource utilization, and boost overall productivity. This study proposes…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Chee Mei Ling , Thangarajah Akilan , Aparna Ravinda Phalke

Crop field detection is a critical component of precision agriculture, essential for optimizing resource allocation and enhancing agricultural productivity. This study introduces KonvLiNA, a novel framework that integrates Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Haruna Yunusa , Qin Shiyin , Adamu Lawan , Abdulrahman Hamman Adama Chukkol

Learning convolutional neural networks (CNNs) with low bitwidth is challenging because performance may drop significantly after quantization. Prior arts often discretize the network weights by carefully tuning hyper-parameters of…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Chaofan Tao , Rui Lin , Quan Chen , Zhaoyang Zhang , Ping Luo , Ngai Wong

Fine-tuning pre-trained neural network models has become a widely adopted approach across various domains. However, it can lead to the distortion of pre-trained feature extractors that already possess strong generalization capabilities.…

Machine Learning · Computer Science 2024-03-27 Seokhyeon Ha , Sunbeom Jung , Jungwoo Lee

Frequency dynamic convolution (FDY conv) has shown the state-of-the-art performance in sound event detection (SED) using frequency-adaptive kernels obtained by frequency-varying combination of basis kernels. However, FDY conv lacks an…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-11 Hyeonuk Nam , Seong-Hu Kim , Deokki Min , Junhyeok Lee , Yong-Hwa Park

Frequency dynamic convolution (FDY conv) has been a milestone in the sound event detection (SED) field, but it involves a substantial increase in model size due to multiple basis kernels. In this work, we propose partial frequency dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-23 Hyeonuk Nam , Yong-Hwa Park

Vision Transformers (ViTs) have significantly advanced computer vision, demonstrating strong performance across various tasks. However, the attention mechanism in ViTs makes each layer function as a low-pass filter, and the stacked-layer…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Linwei Chen , Lin Gu , Ying Fu

Information on cultivated crops is relevant for a large number of food security studies. Different scientific efforts are dedicated to generating this information from remote sensing images by means of machine learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Sina Mohammadi , Mariana Belgiu , Alfred Stein

Crop yield prediction is one of the most important challenge, which is crucial to world food security and policy-making decisions. The conventional forecasting techniques are limited in their accuracy with reference to the fact that they…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Gopal Krishna Shyam , Ila Chandrakar

Deep Convolutional Neural Networks (CNNs) have facilitated remarkable success in recognizing various food items and agricultural stress. A decent performance boost has been witnessed in solving the agro-food challenges by mining and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Asish Bera , Ondrej Krejcar , Debotosh Bhattacharjee

We present an effective and efficient method that explores the properties of Transformers in the frequency domain for high-quality image deblurring. Our method is motivated by the convolution theorem that the correlation or convolution of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Lingshun Kong , Jiangxin Dong , Mingqiang Li , Jianjun Ge , Jinshan Pan

This research addresses the challenge of developing a universal deepfake detector that can effectively identify unseen deepfake images despite limited training data. Existing frequency-based paradigms have relied on frequency-level…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Chuangchuang Tan , Yao Zhao , Shikui Wei , Guanghua Gu , Ping Liu , Yunchao Wei

Light-weight convolutional neural networks (CNNs) are specially designed for applications on mobile devices with faster inference speed. The convolutional operation can only capture local information in a window region, which prevents…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Yehui Tang , Kai Han , Jianyuan Guo , Chang Xu , Chao Xu , Yunhe Wang

We propose a new convolution called Dynamic Region-Aware Convolution (DRConv), which can automatically assign multiple filters to corresponding spatial regions where features have similar representation. In this way, DRConv outperforms…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Jin Chen , Xijun Wang , Zichao Guo , Xiangyu Zhang , Jian Sun

Medical image segmentation can provide detailed information for clinical analysis which can be useful for scenarios where the detailed location of a finding is important. Knowing the location of disease can play a vital role in treatment…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Debesh Jha , Michael A. Riegler , Pål Halvorsen , Dag Johansen , Umapada Pal

Convolutional Neural Networks (CNNs) excel in local spatial pattern recognition. For many vision tasks, such as object recognition and segmentation, salient information is also present outside CNN's kernel boundaries. However, CNNs struggle…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Farzad Salajegheh , Nader Asadi , Soroush Saryazdi , Sudhir Mudur

Fine-grained recognition is challenging due to its subtle local inter-class differences versus large intra-class variations such as poses. A key to address this problem is to localize discriminative parts to extract pose-invariant features.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Xiao Liu , Tian Xia , Jiang Wang , Yi Yang , Feng Zhou , Yuanqing Lin

Recently, 2D convolution has been found unqualified in sound event detection (SED). It enforces translation equivariance on sound events along frequency axis, which is not a shift-invariant dimension. To address this issue, dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-23 Haobo Yue , Zhicheng Zhang , Da Mu , Yonghao Dang , Jianqin Yin , Jin Tang

Crop yield production could be enhanced for agricultural growth if various plant nutrition deficiencies, and diseases are identified and detected at early stages. The deep learning methods have proven its superior performances in the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Asish Bera , Debotosh Bhattacharjee , Ondrej Krejcar

In image denoising networks, feature scaling is widely used to enlarge the receptive field size and reduce computational costs. This practice, however, also leads to the loss of high-frequency information and fails to consider within-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Hao Shen , Zhong-Qiu Zhao , Wandi Zhang