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AdrianKriger authored Nov 6, 2023
1 parent aae2942 commit 9161c12
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8 changes: 4 additions & 4 deletions 05computerVision.ipynb
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"fig.update_scenes(camera_projection_type='orthographic')\n",
"\n",
"fig.show()\n",
"fig.write_html('./data/stereo/stereo-b.html')"
"fig.write_html('./data/stereo/stereo.html')"
]
},
{
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"source": [
"- **Consider what we have just done.**\n",
"\n",
"        **a. Calculated a reprojection error** _(backprojecting 3D coordinates onto the 2D image to compare with the original keypoints)_; \n",
"        **b. Solved for the orientation of the cameras with a RANSAC-based P-$n$-P** _(when we already have orientation parameters)_ and \n",
"        **c. Optimised the solution with a Bundle Adjustment** _(here we call this the Minimised error)_\n",
"        **- Calculate a reprojection error** _(2.c.i. - backprojecting 3D coordinates onto the 2D image to compare with the original keypoints)_; \n",
"        **- Solve for the orientation of the cameras with a RANSAC-based P-$n$-P** _(2.d. - when we already have orientation parameters from 2.b.)_ and \n",
"        **- Optimise the solution with a Bundle Adjustment** _(2. e and f. - here we call this the Minimised error)_\n",
"\n",
"**Why go through all these refinements? What purpose does it serve to repeatedly search for the solution that minimises the error between observed** (2D image) **and predicted** (3D world) **points AND continouosly determine the most effective viewing parameters** _(i.e., camera pose and possibly intrinsic calibration and radial distortion)_**?**"
]
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