[37] | 1 | % * This code was used in the following articles:
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| 2 | % * [1] Learning 3-D Scene Structure from a Single Still Image,
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| 3 | % * Ashutosh Saxena, Min Sun, Andrew Y. Ng,
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| 4 | % * In ICCV workshop on 3D Representation for Recognition (3dRR-07), 2007.
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| 5 | % * (best paper)
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| 6 | % * [2] 3-D Reconstruction from Sparse Views using Monocular Vision,
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| 7 | % * Ashutosh Saxena, Min Sun, Andrew Y. Ng,
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| 8 | % * In ICCV workshop on Virtual Representations and Modeling
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| 9 | % * of Large-scale environments (VRML), 2007.
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| 10 | % * [3] 3-D Depth Reconstruction from a Single Still Image,
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| 11 | % * Ashutosh Saxena, Sung H. Chung, Andrew Y. Ng.
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| 12 | % * International Journal of Computer Vision (IJCV), Aug 2007.
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| 13 | % * [6] Learning Depth from Single Monocular Images,
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| 14 | % * Ashutosh Saxena, Sung H. Chung, Andrew Y. Ng.
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| 15 | % * In Neural Information Processing Systems (NIPS) 18, 2005.
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| 16 | % *
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| 17 | % * These articles are available at:
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| 18 | % * http://make3d.stanford.edu/publications
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| 19 | % *
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| 20 | % * We request that you cite the papers [1], [3] and [6] in any of
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| 21 | % * your reports that uses this code.
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| 22 | % * Further, if you use the code in image3dstiching/ (multiple image version),
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| 23 | % * then please cite [2].
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| 24 | % *
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| 25 | % * If you use the code in third_party/, then PLEASE CITE and follow the
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| 26 | % * LICENSE OF THE CORRESPONDING THIRD PARTY CODE.
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| 27 | % *
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| 28 | % * Finally, this code is for non-commercial use only. For further
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| 29 | % * information and to obtain a copy of the license, see
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| 30 | % *
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| 31 | % * http://make3d.stanford.edu/publications/code
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| 32 | % *
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| 33 | % * Also, the software distributed under the License is distributed on an
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| 34 | % * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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| 35 | % * express or implied. See the License for the specific language governing
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| 36 | % * permissions and limitations under the License.
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| 37 | % *
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| 38 | % */
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| 39 | function [NonedgeX NonedgeY] = gen_2ndSmooth(sup); |
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| 40 | % This is the function that generate the InteractivePermutation matrix for |
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| 41 | % the modal of MRF |
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| 42 | |
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| 43 | global GeneralDataFolder ScratchDataFolder LocalFolder ClusterExecutionDirectory... |
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| 44 | ImgFolder VertYNuPatch VertYNuDepth HoriXNuPatch HoriXNuDepth a_default b_default Ox_default Oy_default... |
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| 45 | Horizon_default filename batchSize NuRow_default SegVertYSize SegHoriXSize WeiBatchSize; |
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| 46 | |
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| 47 | if nargin <1 |
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| 48 | sup = ones(VertYNuDepth,HoriXNuDepth); |
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| 49 | end |
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| 50 | |
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| 51 | NuPatch = VertYNuDepth*HoriXNuDepth; |
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| 52 | NuIndex = setdiff(unique(sup(:)),[0 -1 -2]); |
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| 53 | NuSup = size(NuIndex,1); |
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| 54 | |
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| 55 | % generate beta roughly according to the superpixel |
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| 56 | % ex: at the edge of the superpixel beta set to 0 |
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| 57 | NonedgeY = zeros(VertYNuDepth, HoriXNuDepth); |
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| 58 | NonedgeX = zeros(VertYNuDepth, HoriXNuDepth); |
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| 59 | |
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| 60 | for i = NuIndex |
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| 61 | mask = sup==i; |
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| 62 | NonedgeY = NonedgeY | (conv2(double(mask),[1;1;1],'same'))==3; |
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| 63 | NonedgeX = NonedgeX | (conv2(double(mask),[1 1 1],'same'))==3; |
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| 64 | end |
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| 65 | NonedgeY([1 end],:) = 0; |
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| 66 | NonedgeX(:,[1 end]) = 0; |
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| 67 | NonedgeY = (NonedgeY(:)); |
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| 68 | NonedgeX = (NonedgeX(:)); |
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| 69 | |
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| 70 | % generate Qx Qy |
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| 71 | %Qy = spdiags([ones(NuPatch-2,1) -2*ones(NuPatch-2,1) ones(NuPatch-2,1)],[0 1 2],NuPatch-2,NuPatch); |
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| 72 | %Qx = spdiags([ones(NuPatch-2,1) -2*ones(NuPatch-2,1) ones(NuPatch-2,1)],[0 VertYNuDepth 2*VertYNuDepth],NuPatch-2,NuPatch); |
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| 73 | %Qy = spdiags([ones(NuPatch,1) -2*ones(NuPatch,1) ones(NuPatch,1)],[-1 0 1],NuPatch,NuPatch); |
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| 74 | %Qx = spdiags([-2*ones(NuPatch,1) ones(NuPatch,1) ones(NuPatch,1)],[0 -VertYNuDepth VertYNuDepth],NuPatch,NuPatch); |
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| 75 | %Qx = sparse(reshape(permute(reshape(full(Qy'),VertYNuDepth,HoriXNuDepth,[]),[2 1 3]),NuPatch,[])); |
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| 76 | |
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| 77 | % generate Rx Ry Rz |
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| 78 | % Ray = reshape(Ray,NuPatch,1,3); |
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| 79 | % RxY = Ray(:,1,1); |
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| 80 | % RyY = Ray(:,1,2); |
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| 81 | % RzY = Ray(:,1,3); |
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| 82 | % RxX = Ray(:,1,1); |
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| 83 | % RyX = Ray(:,1,2); |
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| 84 | % RzX = Ray(:,1,3); |
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| 85 | %Rx = spdiags(Ray(:,1,1),1,NuPatch,NuPatch); |
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| 86 | %Ry = spdiags(Ray(:,1,2),1,NuPatch,NuPatch); |
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| 87 | %Rz = spdiags(Ray(:,1,3),1,NuPatch,NuPatch); |
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| 88 | |
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| 89 | % IP |
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| 90 | %IP =[Qy;Qx]; |
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| 91 | %IPy = Qy(NonedgeY,:); |
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| 92 | %IPx = Qx(NonedgeX,:); |
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| 93 | %IP = [repmat(NonedgeY,[1 NuPatch]).*(Qy*Rx); repmat(NonedgeY,[1 NuPatch]).*(Qy*Ry); repmat(NonedgeY,[1 NuPatch]).*(Qy*Rz);... |
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| 94 | % repmat(NonedgeX,[1 NuPatch]).*(Qx*Rx); repmat(NonedgeX,[1 |
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| 95 | % NuPatch]).*(Qx*Ry); repmat(NonedgeX,[1 NuPatch]).*(Qx*Rz)]; |
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| 96 | return; |
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