Multi‐Channel Vortex Beam and Grayscale Image Generated by Dynamically Controllable Terahertz Metasurface
Sign Up to like & getrecommendations! Published in 2025 at "Annalen der Physik"
DOI: 10.1002/andp.202500391
Abstract: Micro‐nano technology and material science have rapidly evolved, and they lead to the emergence of metasurface. However, there are scarce studies on multi‐channel metasurface to generate orbital angular momentum (OAM) and grayscale image (GI) simultaneously.… read more here.
Keywords: grayscale image; multi channel; vortex beam; channel ... See more keywords
Kriging-Weighted Laplacian Kernels for Grayscale Image Sharpening
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DOI: 10.1109/access.2022.3178607
Abstract: Sharpening filters are used to highlight fine image details, including object edges. However, sharpening filters are very specific to different types of images as they may create undesired edge effects, over-highlight fine details, or emphasize… read more here.
Keywords: image sharpening; kriging weighted; laplacian kernels; kernels grayscale ... See more keywords
Color to Grayscale Image Conversion Based on Singular Value Decomposition
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DOI: 10.1109/access.2023.3279734
Abstract: Color information is useless for distinguishing significant edges and features in numerous applications. In image processing, a gray image discards much-unrequired data in a color image. The primary drawback of colour-to-grey conversion is eliminating the… read more here.
Keywords: color; conversion; grayscale image; image ... See more keywords
Fully Automatic Grayscale Image Segmentation: Dynamic Thresholding for Background Adaptation, Improved Image Center Point Selection, and Noise-Resilient Start/End Point Determination
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DOI: 10.3390/app14209303
Abstract: As the requirement for image uploads in various systems continues to grow, image segmentation has become a critical task for subsequent operations. Balancing the efficiency and accuracy of image segmentation is a persistent challenge. This… read more here.
Keywords: grayscale image; image; segmentation; point ... See more keywords