Title
Binary matrices under the microscope: A tomographical problem
Abstract
A binary matrix can be scanned by moving a fixed rectangular window (sub- matrix) across it, rather like examining it closely under a microscope. With each viewing, a convenient measurement is the number of 1s visible in the window, which might be thought of as the luminosity of the window. The rectangular scan of the binary matrix is then the collection of these luminosities presented in matrix form. We show that, at least in the technical case of a smooth m ×n binary matrix, it can be reconstructed from its rectangular scan in polynomial time in the parameters m and n, where the degree of the polynomial depends on the size of the window of inspection. For an arbitrary binary matrix, we then extend this result by determining the entries in its rectangular scan that preclude the smoothness of the matrix.
Year
DOI
Venue
2007
10.1016/j.tcs.2006.10.030
International Workshop on Combinatorial Image Analysis
Keywords
Field
DocType
binary matrix,technical case,computational complexity,fixed rectangular window,convenient measurement,arbitrary binary matrix,parameters m,projection,rectangular scan,matrix form,tomographical problem,discrete tomography,polynomial time,reconstruction algorithm,smoothmxn binary matrix
Discrete mathematics,Polynomial,Logical matrix,Mathematical analysis,Discrete tomography,Matrix (mathematics),Geometry,Time complexity,Block matrix,Mathematics,Binary number,Window function
Journal
Volume
Issue
ISSN
370
1-3
Theoretical Computer Science
ISBN
Citations 
PageRank 
3-540-23942-1
6
0.58
References 
Authors
5
2
Name
Order
Citations
PageRank
Andrea Frosini110120.44
Maurice Nivat21261277.74