#blur

2 questions from Convolutional Neural Networks

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2 questions · 2 min · score and explanations at the end

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Question 1: Single choice

easyAI-checkedConvolutional Neural Networks

Which $3 \times 3$ kernel blurs an image?

$\tfrac{1}{9}\begin{bmatrix}1&1&1\\1&1&1\\1&1&1\end{bmatrix}$ 1
$\tfrac{1}{8}\begin{bmatrix}-1&0&1\\-2&0&2\\-1&0&1\end{bmatrix}$ 2
$\begin{bmatrix}0&-1&0\\-1&4&-1\\0&-1&0\end{bmatrix}$ 3
$\begin{bmatrix}0&-1&0\\-1&5&-1\\0&-1&0\end{bmatrix}$ 4

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