diff --git a/articles/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation.xopp.xml b/articles/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation.xopp.xml
index 8e7206a..c02b9c0 100644
--- a/articles/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation.xopp.xml	
+++ b/articles/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation/On the Sensor Pattern Noise Estimation in Image Forensics: A Systematic Empirical Evaluation.xopp.xml	
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       <text font="Sans" size="11.00000000" x="165.91544914" y="488.77947376" color="#00c0ffff" ts="0" fn="">white should not be undertone, as otherwise quite useless or introduce a factor?</text>
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+      <text font="Sans" size="11.00000000" x="494.90302118" y="434.57795385" color="#00c0ffff" ts="0" fn="">1</text>
+      <text font="Sans" size="11.00000000" x="346.67719381" y="173.72300910" color="#00c0ffff" ts="0" fn="">do not monitor CPU times in the following?
+because it is insignificant?</text>
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+      <text font="Sans" size="11.00000000" x="125.95114657" y="100.82125960" color="#00c0ffff" ts="0" fn="">so a different approach, right?</text>
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+      <text font="Sans" size="11.00000000" x="45.39085895" y="364.24290528" color="#00c0ffff" ts="0" fn="">that is?</text>
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+      <text font="Sans" size="11.00000000" x="315.43655917" y="303.50977738" color="#00c0ffff" ts="0" fn="">satellite guy removed high or low frequencies?</text>
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+      <text font="Sans" size="11.00000000" x="299.51267863" y="352.17755581" color="#00c0ffff" ts="0" fn="">hence amplitude and not frequency filter, right?</text>
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+      <text font="Sans" size="11.00000000" x="452.90647086" y="368.60019337" color="#00c0ffff" ts="0" fn="">to check</text>
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+      <text font="Sans" size="11.00000000" x="301.89335708" y="449.75264718" color="#00c0ffff" ts="0" fn="">camera specific noise should not sum to 0 in my opinion</text>
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@@ -1342,6 +1546,186 @@ values, is it?</text>
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+      <text font="Sans" size="11.00000000" x="137.93696701" y="161.92341957" color="#ff00ffff" ts="0" fn="">p</text>
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+      <stroke tool="highlighter" color="#00c0ff7f" width="8.50000000" fill="128">66.04019748 184.28868314 229.72993319 184.28868314</stroke>
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+      <text font="Sans" size="11.00000000" x="4.43527751" y="242.44814935" color="#00c0ffff" ts="0" fn="">to investigate</text>
+      <text font="Sans" size="11.00000000" x="230.30371317" y="47.21466674" color="#00c0ffff" ts="0" fn="">3</text>
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+      <text font="Sans" size="11.00000000" x="179.58267632" y="483.18346582" color="#00c0ffff" ts="0" fn="">difference?</text>
+      <text font="Sans" size="11.00000000" x="300.03290489" y="148.32416344" color="#00c0ffff" ts="0" fn="">why mentioning these models if do not improve
+performances? Or reproducibility issue?
+or comparison protocol (like wavelet specific is not
+appropriate?)</text>
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+      <text font="Sans" size="11.00000000" x="181.47731254" y="649.60677130" color="#00c0ffff" ts="0" fn="">to check</text>
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+      <text font="Sans" size="11.00000000" x="213.38544518" y="707.77096229" color="#00c0ffff" ts="0" fn="">fiable</text>
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+      <text font="Sans" size="11.00000000" x="48.70791245" y="734.15248206" color="#00c0ffff" ts="0" fn="">equivalent?</text>
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+      <text font="Sans" size="11.00000000" x="311.46905231" y="218.62292749" color="#00c0ffff" ts="0" fn="">not mandatory in my opinion</text>
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+      <text font="Sans" size="11.00000000" x="311.47591185" y="287.70142898" color="#00c0ffff" ts="0" fn="">so an explanation of why it is worst and not why they
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+      <text font="Sans" size="11.00000000" x="321.94941142" y="309.41891401" color="#00c0ffff" ts="0" fn="">why those?</text>
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+      <text font="Sans" size="11.00000000" x="330.99582276" y="417.39229630" color="#00c0ffff" ts="0" fn="">r&#xE9;tr&#xE9;cir</text>
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+      <text font="Sans" size="11.00000000" x="367.66353109" y="713.64648336" color="#00c0ffff" ts="0" fn="">not mentioned elsewhere</text>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">436.67917870 715.63714071 533.18035297 715.63714071</stroke>
+      <stroke tool="highlighter" color="#ffff007f" width="8.50000000" fill="128">317.32327469 727.89230246 474.39532629 727.89230246</stroke>
+      <teximage text="\text{like following } C \text{ pixels in } \bm{H}?" left="310.83152873" top="732.28157589" right="447.21752873" bottom="751.09957589"/>
+      <text font="Sans" size="11.00000000" x="301.94819553" y="351.14716522" color="#00c0ffff" ts="0" fn="">benchmark computational and storage requirements?</text>
+      <text font="Sans" size="11.00000000" x="522.28916089" y="475.73591551" color="#00c0ffff" ts="0" fn="">1</text>
+      <text font="Sans" size="11.00000000" x="426.82546352" y="635.46514036" color="#00c0ffff" ts="0" fn="">2</text>
+      <text font="Sans" size="11.00000000" x="431.07534860" y="701.69206143" color="#00c0ffff" ts="0" fn="">is not it the original image size?</text>
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@@ -1355,6 +1739,181 @@ values, is it?</text>
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       <text font="Sans" size="11.00000000" x="313.90049345" y="710.00064981" color="#00c0ffff" ts="0" fn="">17</text>
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+      <text font="Sans" size="11.00000000" x="105.95577645" y="191.52272842" color="#00c0ffff" ts="0" fn="">same model?</text>
+      <teximage text="CL \text{ for cluster I guess}" left="123.74991532" top="42.29337907" right="213.07035320" bottom="58.29337907"/>
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+      <text font="Sans" size="11.00000000" x="47.14170056" y="353.33503744" color="#00c0ffff" ts="0" fn="">such threshold in signal course?</text>
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+      <text font="Sans" size="11.00000000" x="324.70997972" y="159.37989328" color="#00c0ffff" ts="0" fn="">still have worsening methods...</text>
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+      <text font="Sans" size="11.00000000" x="1.41842378" y="665.34277235" color="#00c0ffff" ts="0" fn="">no ambiguity with dimensions</text>
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+      <text font="Sans" size="11.00000000" x="86.52567439" y="708.54448003" color="#00c0ffff" ts="0" fn="">?</text>
+      <text font="Sans" size="11.00000000" x="77.05231332" y="696.19874199" color="#00c0ffff" ts="0" fn="">?</text>
+      <text font="Sans" size="11.00000000" x="0.91780975" y="536.18168160" color="#00c0ffff" ts="0" fn="">if less than a given threshold could consider sparse matrix</text>
+      <text font="Sans" size="11.00000000" x="32.09725328" y="552.00098252" color="#00c0ffff" ts="0" fn="">1.</text>
+      <text font="Sans" size="11.00000000" x="35.62970971" y="567.51162294" color="#00c0ffff" ts="0" fn="">2.</text>
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+      <text font="Sans" size="11.00000000" x="443.93596927" y="175.96560607" color="#00c0ffff" ts="0" fn="">seem incorrect, no?</text>
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+      <text font="Sans" size="11.00000000" x="301.93299842" y="292.55586344" color="#00c0ffff" ts="0" fn="">this method or in general? what about practice?</text>
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+      <text font="Sans" size="11.00000000" x="317.56798227" y="475.89377975" color="#00c0ffff" ts="0" fn="">same </text>
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+      <text font="Sans" size="11.00000000" x="353.94588437" y="533.84932314" color="#00c0ffff" ts="0" fn="">order of magnitude?</text>
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+      <text font="Sans" size="11.00000000" x="564.54228087" y="583.00187422" color="#00c0ffff" ts="0" fn="">why?</text>
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+      <text font="Sans" size="11.00000000" x="312.11756340" y="438.97829411" color="#00c0ffff" ts="0" fn="">do they provide the MATLAB code?
+No interesting occurrences of code, source (code), git,
+implementation, web</text>
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