From 67a937d9e41983c4cc39eddf4e2183125a8554c9 Mon Sep 17 00:00:00 2001 From: Prabhu Ramachandran Date: Tue, 15 May 2018 22:05:02 +0530 Subject: Remove references to lena and use image of penguins. --- scipy/basic/07_more_numpy.tex | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'scipy/basic/07_more_numpy.tex') diff --git a/scipy/basic/07_more_numpy.tex b/scipy/basic/07_more_numpy.tex index c53cc41..3d4310d 100644 --- a/scipy/basic/07_more_numpy.tex +++ b/scipy/basic/07_more_numpy.tex @@ -302,13 +302,13 @@ Out[]: (3, 3) \frametitle{Elementary image processing} \begin{small} \begin{lstlisting} -In []: a = imread('lena.png') +In []: a = imread('penguins.png') In []: imshow(a) -Out[]: +Out[]: \end{lstlisting} \end{small} -\typ{imread} returns an array of shape (512, 512, 4) which represents an image of 512x512 pixels and 4 shades.\\ +\typ{imread} returns an array of shape (370, 370, 4) which represents an image of 370x370 pixels and 4 shades.\\ \typ{imshow} renders the array as an image. \end{frame} @@ -316,7 +316,7 @@ Out[]: \frametitle{Slicing \& Striding Exercises} \begin{itemize} \item Crop the image to get the top-left quarter - \item Crop the image to get only the face + \item Crop the image to get only the face of the baby penguin \item Resize image to half by dropping alternate pixels \end{itemize} @@ -325,14 +325,14 @@ Out[]: \frametitle{Solutions} \begin{small} \begin{lstlisting} -In []: imshow(a[:256,:256]) -Out[]: +In []: imshow(a[:185,:185]) +Out[]: -In []: imshow(a[200:400,200:400]) -Out[]: +In []: imshow(a[225:300,150:250]) +Out[]: In []: imshow(a[::2,::2]) -Out[]: +Out[]: \end{lstlisting} \end{small} \inctime{15} -- cgit