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@@ -115,7 +115,7 @@ at either the left of right side of the image.
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Once we have separate digits and characters, we intent to use Local Binary
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Patterns (Ojala, Pietikäinen \& Harwood, 1994) to determine what character
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or digit we are dealing with. Local Binary
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-Patters are a way to classify a texture based on the distribution of edge
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+Patterns are a way to classify a texture based on the distribution of edge
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directions in the image. Since letters on a license plate consist mainly of
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straight lines and simple curves, LBP should be suited to identify these.
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@@ -142,7 +142,7 @@ evaluated, starting with $i=0$).
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This results in a mathematical expression:
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Let I($x_i, y_i$) an Image with grayscale values and $g_n$ the grayscale value of the pixel $(x_i, y_i)$.
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-Also let $s(g_i - g_c)$ with $g_c$ = grayscale value of the center pixel.
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+Also let $s(g_i, g_c)$ with $g_c$ = grayscale value of the center pixel.
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$$
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s(v, g_c) = \left\{
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