report.tex

Timestamp:

02/22/10 20:44:33 (2 years ago)

Author:

mosttw

Message:

Hough lines failure figure

Files:

branches/2010-image-rec/docs/report.tex

r701	r702
82	82	Our process to get from camera images to information useful for navigation
83	83	requires several steps of processing and reprocessing. First, the image is
84		converted to the HSV colorspace. We then use a color histogram classifier,
	84	converted to the HSV color space. We then use a color histogram classifier,
85	85	based on an assumed safe area of grass, to classify pixels in the image as
86	86	grass and not grass. Then the texture data from application of a Sobel filter
…	…
155	155
156	156	\section{Future work}
	157
	158	\begin{figure}[htb]
	159	\centering
	160	\includegraphics[width=0.4\textwidth]{figures/hough-lines-failure-mask.png}
	161	\includegraphics[width=0.4\textwidth]{figures/hough-lines-failure.pdf}
	162	\caption{An illustration of the failure modes of the present line detector. At left, the line mask has picked up on highlights on the barrel, producing false lines to be identified at right.}
	163	\label{fig:hough-failure}
	164	\end{figure}
	165
157	166	The next step with our algorithm is to make it work on cases where it fails,
158	167	those with lines appearing within our safe zone. It is possible that this