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< svg viewbox ="0 0 24 24 " xmlns ="http://www.w3.org/2000/svg "> < path d ="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25Z "> </ path > </ svg >
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</ a >
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< div class ="admonition warning ">
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- < p class ="admonition-title "> 1720101322 </ p >
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+ < p class ="admonition-title "> 1720134454 </ p >
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</ div >
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< h1 id ="_1 "> 多媒体安全< a class ="headerlink " href ="#_1 " title ="Permanent link "> < span > < span class ="heti-spacing "> </ span > ¶</ span > </ a > </ h1 >
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< div class ="badges ">
@@ -1042,22 +1042,25 @@ <h2 id="_2">课程学习内容<a class="headerlink" href="#_2" title="Permanent
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< li > 使用< span class ="heti-skip "> < span class ="heti-spacing "> </ span > Sample pairs< span class ="heti-spacing "> </ span > </ span > 进行隐写分析</ li >
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</ ul >
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</ li >
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- < li > 电子取证、利用指纹信息进行身份认证等。
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- 老师会在最后一节课进行总复习。</ li >
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+ < li > 电子取证、利用指纹信息进行身份认证等。</ li >
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</ ul >
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+ < p > 老师会在最后一节课进行总复习。</ p >
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< h2 id ="_3 "> 任课教师< a class ="headerlink " href ="#_3 " title ="Permanent link "> < span > < span class ="heti-spacing "> </ span > ¶</ span > </ a > </ h2 >
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< p > 仅有黄劲老师一位。黄老师授课很有个性< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 思维跳脱、富有热情< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 很喜欢跟学生交流。但是本课程内容较多也较杂< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 可能稍难跟上。不过课余时间老师比较亲和< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 有任何问题都会耐心解答。</ p >
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< h2 id ="_4 "> 课程教材< a class ="headerlink " href ="#_4 " title ="Permanent link "> < span > < span class ="heti-spacing "> </ span > ¶</ span > </ a > </ h2 >
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< p > Cox, I., Miller, M., Bloom, J., Fridrich, J., & Kalker, T. (2007). < em > Digital watermarking and steganography</ em > < span > . Morgan kaufmann.< span class ="heti-spacing "> </ span > </ span > 一本十分厚的书< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 本课程内容除了取证部分外基本都是基于课本展开。虽然此书叙述< del > 啰嗦</ del > 细致< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 但也有未能讲清楚的地方。</ p >
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< h2 id ="_5 "> 分数构成< a class ="headerlink " href ="#_5 " title ="Permanent link "> < span > < span class ="heti-spacing "> </ span > ¶</ span > </ a > </ h2 >
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- < p > 一般来说分数构成为< span class ="heti-skip "> < span class ="heti-spacing "> </ span > : lab 40\%,< span class ="heti-spacing "> </ span > </ span > 期末< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 40\%,< span class ="heti-spacing "> </ span > </ span > 课堂表现< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 20\%,< span class ="heti-spacing "> </ span > </ span > 可能有稍许浮动。
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- + lab 为 4~5 次, 基本包括
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- + E_BLIND/D_LC 水印系统实现
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- + E_SIMPLE_8/D_SIMPLE_8 多位信息水印系统实现
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- + E_BLK_8/D_BLK_8 w/ Hamming Code 或 Trellis Code 水印系统实现
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- + F4, F5 隐写算法实现</ p >
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- < div class ="highlight "> < pre > < span > </ span > < code > lab 不限定编程语言。代码量约在数百行, 虽不算难但也对编程能力稍有要求。
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- </ code > </ pre > </ div >
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+ < p > 一般来说分数构成为< span class ="heti-skip "> < span class ="heti-spacing "> </ span > : lab 40%,< span class ="heti-spacing "> </ span > </ span > 期末< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 40%,< span class ="heti-spacing "> </ span > </ span > 课堂表现< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 20%,< span class ="heti-spacing "> </ span > </ span > 可能有稍许浮动。</ p >
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+ < ul >
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+ < li > < span > lab< span class ="heti-spacing "> </ span > </ span > 为< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 4~5< span class ="heti-spacing "> </ span > </ span > 次< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 基本包括< ul >
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+ < li > < span > E_BLIND/D_LC< span class ="heti-spacing "> </ span > </ span > 水印系统实现</ li >
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+ < li > < span > E_SIMPLE_8/D_SIMPLE_8< span class ="heti-spacing "> </ span > </ span > 多位信息水印系统实现</ li >
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+ < li > < span > E_BLK_8/D_BLK_8 + Hamming Code< span class ="heti-spacing "> </ span > </ span > 或< span class ="heti-skip "> < span class ="heti-spacing "> </ span > Trellis Code< span class ="heti-spacing "> </ span > </ span > 水印系统实现</ li >
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+ < li > < span > F4, F5< span class ="heti-spacing "> </ span > </ span > 隐写算法实现</ li >
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+ </ ul >
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+ </ li >
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+ </ ul >
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+ < p > < span > lab< span class ="heti-spacing "> </ span > </ span > 不限定编程语言。每次代码量约在数百行< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 虽不算难但也对编程能力稍有要求。</ p >
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< ul >
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< li > 期末开卷< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 包括少量选择、判断以及< span class ="heti-skip "> < span class ="heti-spacing "> </ span > 8< span class ="heti-spacing "> </ span > </ span > 道简答< span class ="heti-skip "> < span class ="heti-spacing "> </ span > ,< span class ="heti-spacing "> </ span > </ span > 主要侧重课程内容的理解。要求英文作答。</ li >
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< li > 课堂表现分为两个部分< span > < span class ="heti-spacing "> </ span > :</ span > < ul >
@@ -1100,7 +1103,7 @@ <h2 id="_6">参考资料<a class="headerlink" href="#_6" title="Permanent link">
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< div id ="footer-wrapper ">
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- < p > < span class ="twemoji "> < svg viewbox ="0 0 24 24 " xmlns ="http://www.w3.org/2000/svg "> < path d ="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z "> </ path > </ svg > </ span > 2024-07-04 < span class ="twemoji "> < svg viewbox ="0 0 24 24 " xmlns ="http://www.w3.org/2000/svg "> < path d ="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12 "> </ path > </ svg > </ span > Contributors < span class ="contributors "> < a href ="https://github.com/GoldfishHorse " target ="_blank " title ="GoldfishHorse "> < img alt ="GoldfishHorse " src ="https://avatars.githubusercontent.com/u/104991291 "/> </ a > </ span > </ p >
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+ < p > < span class ="twemoji "> < svg viewbox ="0 0 24 24 " xmlns ="http://www.w3.org/2000/svg "> < path d ="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z "> </ path > </ svg > </ span > 2024-07-05 < span class ="twemoji "> < svg viewbox ="0 0 24 24 " xmlns ="http://www.w3.org/2000/svg "> < path d ="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12 "> </ path > </ svg > </ span > Contributors < span class ="contributors "> < a href ="https://github.com/GoldfishHorse " target ="_blank " title ="GoldfishHorse "> < img alt ="GoldfishHorse " src ="https://avatars.githubusercontent.com/u/104991291 "/> </ a > </ span > </ p >
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.md-content .admonition : first-of-type {
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