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+<!DOCTYPE html>
+ <html>
+ <head>
+ <meta charset="UTF-8">
+ <title>cpp_reps</title>
+
+ <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/Microsoft/vscode/extensions/markdown-language-features/media/markdown.css">
+ <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/Microsoft/vscode/extensions/markdown-language-features/media/highlight.css">
+
+ <style>
+.task-list-item { list-style-type: none; } .task-list-item-checkbox { margin-left: -20px; vertical-align: middle; }
+</style>
+ <style>
+ body {
+ font-family: -apple-system, BlinkMacSystemFont, 'Segoe WPC', 'Segoe UI', 'Ubuntu', 'Droid Sans', sans-serif;
+ font-size: 14px;
+ line-height: 1.6;
+ }
+ </style>
+
+
+ </head>
+ <body class="vscode-light">
+ <h1 id="cppreps">cpp_reps</h1>
+<p>C++ project to compare search of different design representations against a target static shape, and later against a physical function.</p>
+<p>Search methods used: nelder mead, gradient descent, EM and CMAES.</p>
+<h2 id="representations">Representations</h2>
+<ul>
+<li>global Representations
+<ul class="contains-task-list">
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> parametric frep (~ 5 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> frep trees (~ 10 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> dft (~ 20 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> DNN/DMN (~ 100 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> distance fields (~ 400 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" disabled="" type="checkbox"> point cloud/mesh (~ 1,000 parameters)</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" checked="" disabled="" type="checkbox"> voxel search (~ 10,000 parameters)</li>
+</ul>
+</li>
+<li>local
+<ul class="contains-task-list">
+<li class="task-list-item"><input class="task-list-item-checkbox" disabled="" type="checkbox"> morphogenes</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" disabled="" type="checkbox"> Arep</li>
+<li class="task-list-item"><input class="task-list-item-checkbox" disabled="" type="checkbox"> lsystems</li>
+</ul>
+</li>
+</ul>
+<hr>
+<h2 id="representation-comparison">Representation Comparison</h2>
+<h3 id="comparison-criteria">Comparison Criteria</h3>
+<ul>
+<li>Number of Parameters</li>
+<li>Expressiveness</li>
+<li>Convergence rate</li>
+<li>Best Score</li>
+</ul>
+<h3 id="target-images">Target Images</h3>
+<p>All target Images are 100*100</p>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\img\circle_target.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\rectange_target.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\gear_target.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\blob_target_1.jpg" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\hole_target.png" alt=""></p>
+<hr>
+<h3 id="example-best-results">Example Best Results</h3>
+<ul>
+<li>parametric frep (~ 5 parameters)</li>
+<li>frep trees (~ 10 parameters)</li>
+<li>dft (~ 20 parameters)</li>
+<li>DNN/DMN (~ 300 parameters)
+<ul>
+<li>cmaes</li>
+</ul>
+</li>
+</ul>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_cmaes\1.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_cmaes\2.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_cmaes\3.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_cmaes\4.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_cmaes\5.png" alt=""></p>
+<ul>
+<li>sgd</li>
+</ul>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_sgd\1.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_sgd\2.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_sgd\3.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_sgd\4.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\dnn_sgd\5.png" alt=""></p>
+<ul>
+<li>distance fields (~ 400 parameters)</li>
+</ul>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\img\df\1.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\df\2.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\df\3.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\df\4.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\df\5.png" alt=""></p>
+<ul>
+<li>point cloud/mesh (~ 1,000 parameters)</li>
+<li>voxel search (~ 10,000 parameters)</li>
+</ul>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\img\voxel\1.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\voxel\2.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\voxel\3.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\voxel\4.png" alt="">
+<img src="file:///c:\Users\amira\Documents\cpp_frep\img\voxel\5.png" alt=""></p>
+<hr>
+<h3 id="dft-progress">dft progress</h3>
+<p><img src="file:///c:\Users\amira\Documents\cpp_frep\cpp_dft\dft.gif" alt=""></p>
+<hr>
+<h2 id="dependencies">Dependencies</h2>
+<p>Similar to <a href="https://gitlab.cba.mit.edu/erik/cpp_starter/tree/master">cpp_starter</a>:</p>
+<ul>
+<li>a modern C++ compiler (i.e. one that supports C++17 features, ex. gcc 7+)</li>
+<li>cmake 3.13 or newer</li>
+<li>Eigen3 (installable via apt, yum, or homebrew)</li>
+<li>openCV (installable via apt, yum, or homebrew)</li>
+<li>json Library: <a href="https://github.com/nlohmann/json">https://github.com/nlohmann/json</a></li>
+</ul>
+<h2 id="building">Building</h2>
+<p>From the project's root directory,</p>
+<pre><code><code><div>mkdir build
+cd build
+cmake ..
+make
+</div></code></code></pre>
+<p>Tips:</p>
+<ul>
+<li>you can build using multiple threads at once using e.g. <code>make -j4</code></li>
+<li>you can specify a specific compiler using <code>cmake .. -DCMAKE_CXX_COMPILER=g++-8</code></li>
+<li>for debugging symbols use <code>cmake .. -DCMAKE_BUILD_TYPE=Debug</code></li>
+</ul>
+<h2 id="running">Running</h2>
+<p>From the build directory,</p>
+<pre><code><code><div>cpp_frep/cpp_frep
+cpp_dnn/cpp_dnn
+cpp_dft/cpp_dft
+cpp_voxel/cpp_voxel
+</div></code></code></pre>
+
+ </body>
+ </html>
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diff --git a/README.md b/README.md
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-
+
@@ -85,6 +85,42 @@ All target Images are 100*100
+---
+### Frep tree search strategies
+
+- Constrains and priors
+ - constrain circle in the middle
+ - symmetry
+ - teeth
+ - other
+- Search strategies
+ - a set graph structure and Parameter search
+ - smooth genome search
+
+<img src="./img/human_in_the_loop_morphing.mp4" width="500" />
+
+<img src="./img/gear_teeth.mp4" width="500" />
+
+<img src="./img/compilation.mp4" width="500" />
+
+- global to local optimization
+ - help in constraining number of nodes/complexity
+ - MCMC
+ - choose best initial node and parameters as close as possible
+ - then choose one that makes better with probability
+
+
+---
+### Local Representation Search
+
+[Link to Project](https://gitlab.cba.mit.edu/amiraa/3d-reaction-diffusion-optimization)
+
+- Dynamic systems optimization
+- Target:
+ - grow one gear to target shape using gradients
+ - grow one gear using hamming distance
+ - grow two gears from different points to mesh wih each other
+
---
### dft progress
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