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In a recent paper, published at arXiv:0910.2381, we started a discussion on the new possibilities arising from the use of fractional differential calculus in image processing. We have seen that the fractional calculation is able to enhance…

Instrumentation and Methods for Astrophysics · Physics 2009-10-25 Amelia Carolina Sparavigna , Paul Milligan

Although many of the information processing systems are text-based, much of the information in the real life is generally multimedia objects, so there is a need to define and standardize the frame works for multimedia-based information…

Multimedia · Computer Science 2014-03-18 Reza Rahimi , J Hengmeechai

The need for higher agricultural productivity has demanded the intensive use of pesticides. However, their correct use depends on assessment methods that can accurately predict how well the pesticides' spraying covered the intended crop…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Bruno B. Machado , Gabriel Spadon , Mauro S. Arruda , Wesley N. Goncalves , Andre C. P. L. F. Carvalho , Jose F. Rodrigues-Jr

Digital image processing involves the systematic handling of images using advanced computer algorithms, and has gained significant attention in both academic and practical fields. Image enhancement is a crucial preprocessing stage in the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Rupjyoti Chutia , Dibya Jyoti Bora

We consider the problem of selecting an optimal mask for an image manifold, i.e., choosing a subset of the pixels of the image that preserves the manifold's geometric structure present in the original data. Such masking implements a form of…

Machine Learning · Statistics 2016-06-16 Hamid Dadkhahi , Marco F. Duarte

Realistic digital models of plant leaves are crucial to fluid dynamics simulations of droplets for optimising agrochemical spray technologies. The presence and nature of small features (on the order of 100$\mathrm{\mu m}$) such as ridges…

Image geolocalization is the task of identifying the location depicted in a photo based only on its visual information. This task is inherently challenging since many photos have only few, possibly ambiguous cues to their geolocation.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Paul Hongsuck Seo , Tobias Weyand , Jack Sim , Bohyung Han

This article proposes a generic framework to process jointly the spatial and spectral information of hyperspectral images. First, sub-images are extracted. Then each of these sub-images follows two parallel workflows, one dedicated to the…

Plant phenotyping refers to a quantitative description of the plants properties, however in image-based phenotyping analysis, our focus is primarily on the plants anatomical, ontogenetical and physiological properties.This technique…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Petros N. Tamvakis , Chairi Kiourt , Alexandra D. Solomou , George Ioannakis , Nestoras C. Tsirliganis

In this paper we consider the computational complexity of uniformizing a domain with a given computable boundary. We give nontrivial upper and lower bounds in two settings: when the approximation of boundary is given either as a list of…

Complex Variables · Mathematics 2007-05-23 Ilia Binder , Mark Braverman , Michael Yampolsky

Rapid growth in the field of quantitative digital image analysis is paving the way for researchers to make precise measurements about objects in an image. To compute quantities from the image such as the density of compressed materials or…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Marylesa Howard , Margaret C. Hock , B. T. Meehan , Leora Dresselhaus-Cooper

India is an agriculture-dependent country. As we all know that farming is the backbone of our country it is our responsibility to preserve the crops. However, we cannot stop the destruction of crops by natural calamities at least we have to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 S. Mohan Sai , G. Gopichand , C. Vikas Reddy , K. Mona Teja

The colorful appearance of a physical painting is determined by the distribution of paint pigments across the canvas, which we model as a per-pixel mixture of a small number of pigments with multispectral absorption and scattering…

Graphics · Computer Science 2018-07-23 Jianchao Tan , Stephen DiVerdi , Jingwan Lu , Yotam Gingold

One of the important and tedious task in agricultural practices is the detection of the disease on crops. It requires huge time as well as skilled labor. This paper proposes a smart and efficient technique for detection of crop disease…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Pranesh Kulkarni , Atharva Karwande , Tejas Kolhe , Soham Kamble , Akshay Joshi , Medha Wyawahare

Binarization plays a key role in the automatic information retrieval from document images. This process is usually performed in the first stages of documents analysis systems, and serves as a basis for subsequent steps. Hence it has to be…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Jorge Calvo-Zaragoza , Antonio-Javier Gallego

We transpose an optimal control technique to the image segmentation problem. The idea is to consider image segmentation as a parameter estimation problem. The parameter to estimate is the color of the pixels of the image. We use the…

Numerical Analysis · Mathematics 2011-05-24 Hend Ben Ameur , Guy Chavent , Francois Clément , Pierre Weis

Manual determination of plant phenotypic properties such as plant architecture, growth, and health is very time consuming and sometimes destructive. Automatic image analysis has become a popular approach. This research aims to identify the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Nazifa Khan , Oliver A. S. Lyon , Mark Eramian , Ian McQuillan

Binarization is widely used as an image preprocessing step to separate object especially text from background before recognition. For noisy images with uneven illumination such as degraded documents, threshold values need to be computed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-01 Chungkwong Chan

Treemaps have been widely applied to the visualization of hierarchical data. A treemap takes a weighted tree and visualizes its leaves in a nested planar geometric shape, with sub-regions partitioned such that each sub-region has an area…

Graphics · Computer Science 2023-09-01 Mehdi Behroozi , Reyhaneh Mohammadi , Cody Dunne

Traditional image processing is a field of science and technology developed to facilitate human-centered image management. But today, when huge volumes of visual data inundate our surroundings (due to the explosive growth of image-capturing…

Computers and Society · Computer Science 2014-11-05 Emanuel Diamant