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In Mathematical Morphology for grey-level functions, an image is analysed by another image named the structuring function. This structuring function is translated over the image domain and summed to the image. However, in an image…

Image and Video Processing · Electrical Eng. & Systems 2025-10-15 Guillaume Noyel

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

Mathematical morphology (MM) is a theory of non-linear operators used for the processing and analysis of images. Morphological neural networks (MNNs) are neural networks whose neurons compute morphological operators. Dilations and erosions…

Machine Learning · Computer Science 2020-11-13 Angelica Lourenço Oliveira , Marcos Eduardo Valle

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

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

A general definition of mathematical morphology has been defined within the algebraic framework of complete lattice theory. In this framework, dealing with deterministic and increasing operators, a dilation (respectively an erosion) is an…

Category Theory · Mathematics 2020-05-06 Marc Aiguier , Isabelle Bloch , Ramon Pino-Pérez

We introduce a simple expression for the map of Asplund's distances with the multiplicative Logarithmic Image Processing (LIP) law. It is a difference between a morphological dilation and a morphological erosion with an additive structuring…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Guillaume Noyel , Michel Jourlin

Several tasks in artificial intelligence require to be able to find models about knowledge dynamics. They include belief revision, fusion and belief merging, and abduction. In this paper we exploit the algebraic framework of mathematical…

Artificial Intelligence · Computer Science 2018-02-15 Isabelle Bloch , Jérôme Lang , Ramón Pino Pérez , Carlos Uzcátegui

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

In this paper we consider the fundamental operations dilation and erosion of mathematical morphology. Many powerful image filtering operations are based on their combinations. We establish homomorphism between max-plus semi-ring of integers…

Image and Video Processing · Electrical Eng. & Systems 2023-05-05 Vivek Sridhar , Keyvan Shahin , Michael Breuß , Marc Reichenbach

The object recognition is a complex problem in the image processing. Mathematical morphology is Shape oriented operations, that simplify image data, preserving their essential shape characteristics and eliminating irrelevancies. This paper…

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

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 (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

The current paper deals with the role played by Logarithmic Image Processing (LIP) operators for evaluating the homogeneity of a region. Two new criteria of heterogeneity are introduced, one based on the LIP addition and the other based on…

Computer Vision and Pattern Recognition · Computer Science 2018-06-28 Michel Jourlin , Guillaume Noyel

Perspective distortion (PD) leads to substantial alterations in the shape, size, orientation, angles, and spatial relationships of visual elements in images. Accurately determining camera intrinsic and extrinsic parameters is challenging,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Meenakshi Subhash Chippa , Prakash Chandra Chhipa , Kanjar De , Marcus Liwicki , Rajkumar Saini

Functional Asplund's metrics were recently introduced to perform pattern matching robust to lighting changes thanks to double-sided probing in the Logarithmic Image Processing (LIP) framework. Two metrics were defined, namely the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Guillaume Noyel

In this paper we emphasize a similarity between the Logarithmic-Type Image Processing (LTIP) model and the Naka-Rushton model of the Human Visual System (HVS). LTIP is a derivation of the Logarithmic Image Processing (LIP), which further…

Computer Vision and Pattern Recognition · Computer Science 2015-06-04 Corneliu Florea , Constantin Vertan , Laura Florea

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

We define morphological operators and filters for directional images whose pixel values are unit vectors. This requires an ordering relation for unit vectors which is obtained by using depth functions. They provide a centre-outward ordering…

Statistics Theory · Mathematics 2023-11-20 Konstantin Hauch , Claudia Redenbach

Mathematical morphology, a field within image processing, includes various filters that either highlight, modify, or eliminate certain information in images based on an application's needs. Key operations in these filters are dilation and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Marvin Kahra , Michael Breuß
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