update second page of PSNR

Author: minhduy13ly

book/6-computer-vision.tex

@@ -76,6 +76,28 @@ \subsection{Peak Signal-to-Noise Ratio}
 \item PSNR is sensitive to even small global changes in lighting, contrast, or color.
 }
 
+\clearpage
+
+\thispagestyle{customstyle}
+
+
+\begin{figure*}[ht!]
+    \centering
+    \includegraphics[width=0.6\textwidth]{figures/PSNR_plot.png}
+    % \caption{Caption}
+    \label{PSNR plot}
+\end{figure*}
+
+
+\textbf{Figure 7.1 Image with different PSNR.} Demonstrates noisy images with their corresponding PSNR values compared to the original ones. \textbf{Left:} Original image and its noisy version. 
+\textbf{Right:} Illustration of how strong noise signals have been added to the original image.
+
+\vspace{-10pt} 
+
+\orangebox{Did you know that...}
+{PSNR is not just for images; it can be applied to \textbf{video, audio, or even signal processing}. Anytime we want to measure the quality of \textbf{reconstructed} signal compared to the \textbf{original}, PSNR could be considered.}
+
+
 
 \textbf{Other related metrics}