GitHub - PJaemin/MTFE: Multiple Transformation Function …
Official pytorch implementation for "Multiple Transformation Function Estimation for Image Enhancement," Journal of Visual Communication and Image Representation, vol. 95, Article No. 103863, Sep. 2023. The ZIP file contains three test datasets: The ZIP file contains weight files trained with each training dataset.
成像质量的评价方法与传递函数（OTF，MTF，PTF）与扩散函数（…
2024年11月14日 · MTF是通过找线对中最大亮度点和最小亮度点的对比度来计算的。 计算公式为MTF= (最大亮度-最小亮度)/ (最大亮度+最小亮度)。 成像过程可以看做是物方到像方经由成像镜头传递信息的过程，MTF越高，意味着信息折损越少，如果MTF=1，那就意味着信息被完全传递到了像方；而如果MTF很低甚至MTF=0，就意味着只有很少，甚至完全没有信息到达像方。 下图是一个摄影系统的MTF曲线： 表示实际正弦像相对理想正弦像的偏移，这个偏移用相位角随空间 …
Multiple transformation function estimation for image enhancement
Most deep learning-based image enhancement algorithms have been developed based on the image-to-image translation approach, in which enhancement processes are difficult to …
MTFFN: Multimodal Transfer Feature Fusion Network for …
In MTFFN, a dual-branch network structure is designed to transfer the two-modal knowledge from the natural image domain and the source HSI domain to the target domain in two branches, respectively. A multitask learning strategy is adopted to achieve feature fusion.
Simulation of MSI imagery from HSI data - SPIE Digital Library
2000年8月23日 · Accomplishing this conversion involves several steps: (1) data-to-signal conversion using the modulation transfer function (MTF) and the Spectral Response of the HSI sensor, (2) removing atmospheric transmittance losses from the HSI data using the MODTRAN code, (3) reintroducing atmospheric transmittance effects for each HSI band over selected ...
什么是MTF(Modulation Transfer Function)？ - 知乎专栏
2021年8月21日 · Modulation Transfer Function，英文缩写MTF，是光学工程里的一个术语，常用于评价镜头（光学系统）的性能。 在图像画质领域，也可用于评价图像清晰度。 分辨率（resolution）：分辨率描述了成像系统恢复场景细节的…
The measured MTF values for both AOTF (blue) and LCTF (red) on HSI …
We document a comparison of an acousto-optic tunable filter (AOTF), and a liquid crystal tunable filter (LCTF) based on hyperspectral imaging (HSI). The purpose of this work is to highlight each...
Enhanced Multiscale Feature Fusion Network for HSI Classification
In a departure from existing approaches, in this article, we propose a novel Enhanced Multiscale Feature Fusion Network (EMFFN). As a deeper and wider network, EMFFN can extract sufficiently multiscale features from the parallel multipath of …
高光谱和多光谱图像融合的最新进展和新指南,Information Fusion
图像融合是一种增强HSI空间分辨率的有效且经济的方法，该方法将HSI与相同场景的更高空间分辨率多光谱图像（MSI）相结合。 近年来，为了获得高分辨率的HSI，引入了许多HSI和MSI融合算法。 但是，它缺乏对新提出的HSI和MSI融合方法的全面评估。 为了解决这个问题，这项工作为HSI-MSI融合提供了全面的回顾和新的指南。 根据HSI-MSI融合方法的特点，将它们分为四类，包括基于泛锐化的方法，基于矩阵分解的方法，基于张量表示的方法，和基于深度卷积神经网络的方 …
(a) Measured MTF plots of the HSI system for the green
Download scientific diagram | (a) Measured MTF plots of the HSI system for the green color channel in two orthogonal directions. (b) Three reconstruction examples and the corresponding reference...