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Related papers: Logarithmic Mathematical Morphology: theory and ap…

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Morphological neural networks allow to learn the weights of a structuring function knowing the desired output image. However, those networks are not intrinsically robust to lighting variations in images with an optical cause, such as a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Guillaume Noyel , Emile Barbier--Renard , Michel Jourlin , Thierry Fournel

A new set of mathematical morphology (MM) operators adaptive to illumination changes caused by variation of exposure time or light intensity is defined thanks to the Logarithmic Image Processing (LIP) model. This model based on the physics…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Guillaume Noyel

In order to create an image segmentation method robust to lighting changes, two novel homogeneity criteria of an image region were studied. Both were defined using the Logarithmic Image Processing (LIP) framework whose laws model lighting…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Guillaume Noyel , Michel Jourlin

Aspl{\"u}nd's metric, which is useful for pattern matching, consists in a double-sided probing, i.e. the over-graph and the sub-graph of a function are probed jointly. It has previously been defined for grey-scale images using the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-24 Guillaume Noyel , Michel Jourlin

The field of mathematical morphology offers well-studied techniques for image processing. In this work, we view morphological operations through the lens of persistent homology, a tool at the heart of the field of topological data analysis.…

Computational Geometry · Computer Science 2021-03-25 Yu-Min Chung , Sarah Day , Chuan-Shen Hu

In this paper, we propose a complete framework to process images captured under uncontrolled lighting and especially under low lighting. By taking advantage of the Logarithmic Image Processing (LIP) context, we study two novel functional…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Guillaume Noyel , Michel Jourlin

In this paper, we propose a new mathematical model for image processing. It is a logarithmical one. We consider the bounded interval (-1, 1) as the set of gray levels. Firstly, we define two operations: addition <+> and real scalar…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Vasile Patrascu , Vasile Buzuloiu

Mathematical morphology is a part of image processing that uses a window that moves across the image to change certain pixels according to certain operations. The concepts of supremum and infimum play a crucial role here, but it proves…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Marvin Kahra , Michael Breuß , Andreas Kleefeld , Martin Welk

Mathematical morphology is a part of image processing that has proven to be fruitful for numerous applications. Two main operations in mathematical morphology are dilation and erosion. These are based on the construction of a supremum or…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Marvin Kahra , Michael Breuß , Andreas Kleefeld , Martin Welk

Modal logics have proved useful for many reasoning tasks in symbolic artificial intelligence (AI), such as belief revision, spatial reasoning, among others. On the other hand, mathematical morphology (MM) is a theory for non-linear analysis…

Artificial Intelligence · Computer Science 2023-03-10 Marc Aiguier , Isabelle Bloch , Salim Nibouche , Ramon Pino Perez

Morphing is a long-standing problem in vision and computer graphics, requiring a time-dependent warping for feature alignment and a blending for smooth interpolation. Recently, multilayer perceptrons (MLPs) have been explored as implicit…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Arthur Bizzi , Matias Grynberg , Vitor Matias , Daniel Perazzo , João Paulo Lima , Luiz Velho , Nuno Gonçalves , João Pereira , Guilherme Schardong , Tiago Novello

Mathematical morphology (MM) helps to describe and analyze shapes using set theory. MM can be effectively applied to binary images which are treated as sets. Basic morphological operators defined can be used as an effective tool in image…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Keerthana S. Prakash , R. P. Prakash , V. P. Binu

Mathematical morphology contributes many profitable tools to image processing area. Some of these methods considered to be basic but the most important fundamental of data processing in many various applications. In this paper, we modify…

Category Theory · Mathematics 2020-09-15 Hossein Memarzadeh Sharifipour , Bardia Yousefi

We considers how a particular kind of graph corresponds to multiplicative intuitionistic linear logic formula. The main feature of the graphical notation is that it absorbs certain symmetries between conjunction and implication. We look at…

Logic in Computer Science · Computer Science 2022-08-08 Lucas Dixon

It is suggested that low-light image enhancement realizes one-to-many mapping since we have different definitions of NORMAL-light given application scenarios or users' aesthetic. However, most existing methods ignore subjectivity of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Ya'nan Wang , Zhuqing Jiang , Chang Liu , Kai Li , Aidong Men , Haiying Wang

The logarithmic model offers new tools for image processing. An efficient method for image enhancement is to use an affine transformation with the logarithmic operations: addition and scalar multiplication. We define some criteria for…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Vasile Patrascu , Vasile Buzuloiu

Mathematical morphology is a theory and technique to collect features like geometric and topological structures in digital images. Given a target image, determining suitable morphological operations and structuring elements is a cumbersome…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Yucong Shen , Xin Zhong , Frank Y. Shih

This paper proposes LayoutLLM, a more flexible document analysis method for understanding imaged documents. Visually Rich Document Understanding tasks, such as document image classification and information extraction, have gained…

Computation and Language · Computer Science 2024-03-22 Masato Fujitake

Multimodal LLMs can accurately perceive numerical content across modalities yet fail to perform exact multi-digit multiplication when the identical underlying arithmetic problem is presented as numerals, number words, images, or in audio…

Computation and Language · Computer Science 2026-04-21 Samuel G. Balter , Ethan Jerzak , Connor T. Jerzak

In this paper we propose a new algebraical model for the gray level images. It can be used for digital image processing. The model adresses to those images which are generated in improper light conditions (very low or high level). The…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Vasile Patrascu
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