translation

shift the position of an image by adding/subtracting a value to/from the X or Y coordinates

Incorporates functions for image preprocessing, filtering and image recognition. The package takes advantage of 'RcppArmadillo' to speed up computationally intensive functions. The histogram of oriented gradients descriptor is a modification of the 'findHOGFeatures' function of the 'SimpleCV' computer vision platform, the average_hash(), dhash() and phash() functions are based on the 'ImageHash' python library. The Gabor Feature Extraction functions are based on 'Matlab' code of the paper, "CloudID: Trustworthy cloud-based and cross-enterprise biometric identification" by M. Haghighat, S. Zonouz, M. Abdel-Mottaleb, Expert Systems with Applications, vol. 42, no. 21, pp. 7905-7916, 2015, <doi:10.1016/j.eswa.2015.06.025>. The 'SLIC' and 'SLICO' superpixel algorithms were explained in detail in (i) "SLIC Superpixels Compared to State-of-the-art Superpixel Methods", Radhakrishna Achanta, Appu Shaji, Kevin Smith, Aurelien Lucchi, Pascal Fua, and Sabine Suesstrunk, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 34, num. 11, p. 2274-2282, May 2012, <doi:10.1109/TPAMI.2012.120> and (ii) "SLIC Superpixels", Radhakrishna Achanta, Appu Shaji, Kevin Smith, Aurelien Lucchi, Pascal Fua, and Sabine Suesstrunk, EPFL Technical Report no. 149300, June 2010.

Lampros Mouselimis

OpenImageR

An Image Processing Toolkit

Sight Machine

Johannes Buchner

Mohammad Haghighat

Radhakrishna Achanta

Oleh Onyshchak

translation function

<dl><dt>image</dt>
<dd>a matrix, data frame or 3-dimensional array where the third dimension is equal to 3</dd>
<dt>shift_rows</dt>
<dd>a positive or negative integer specifying the direction that the rows should be shifted</dd>
<dt>shift_cols</dt>
<dd>a positive or negative integer specifying the direction that the columns should be shifted</dd>
<dt>padded_value</dt>
<dd>either a numeric value or a numeric vector of length 3 (corresponding to RGB). If it's not equal to 0 then the values of the shifted rows or columns will be filled with the user-defined padded_value</dd></dl>

Arguments

image translation — translation

<dl>

<dt>image</dt>
<dd>a matrix, data frame or 3-dimensional array where the third dimension is equal to 3</dd>


<dt>shift_rows</dt>
<dd>a positive or negative integer specifying the direction that the rows should be shifted</dd>


<dt>shift_cols</dt>
<dd>a positive or negative integer specifying the direction that the columns should be shifted</dd>


<dt>padded_value</dt>
<dd>either a numeric value or a numeric vector of length 3 (corresponding to RGB). If it's not equal to 0 then the values of the shifted rows or columns will be filled with the user-defined padded_value</dd>

</dl>

translation: image translation

Description

Usage

Value

Arguments

Details

Examples