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