调试seanbell/intrinsic遇到的坑

那些遗忘过去的人注定要重蹈覆辙。——乔治•桑塔亚纳

Authorized error

刚开始按作者 GitHub 上的指示，当运行环境配置好，并且 make 之后，因为生成的 decompose.py 是可执行文件，直接运行

bell2014/decompose.py ../../original.png

就出现了这样的错误

import: not authorized `pd' @ error/constitute.c/WriteImage/1028

看到有相关问题的解答中提到

这是python脚本，不应该把它当成shell脚本运行，当然会报错

突然反应过来，我们通常在终端直接运行的可执行文件一般由 /usr/bin/sh 来作为默认执行器

而 .py 脚本需要显式指出 python 解释器，这样就有了解决方案，直接用 python 来运行就可以了啊

python3 bell2014/decompose.py ../../original.png

namespacepath error

AttributeError: '_NamespacePath' object has no attribute 'sort'

该错误好像与 pip 有关，可以使用以下命令解决

sudo pip3 install --upgrade setuptools

numpy error

ValueError: numpy.dtype size changed, may indicate binary incompatibility. Expected 96 from C header, got 88 from PyObject

造成这个问题的原因是各种库之间的版本不匹配，numpy版本不合适，只需要把numpy降级到刚好满足需要的版本，就可以了。

Python packages (newer packages will likely work, though these are the exact versions that I used):

    PIL==1.1.7

    cython==0.19.2

    numpy==1.8.0

    scipy==0.13.2

    scikit-image==0.9.3

    scikit-learn==0.14.1

将所用到的库的版本均降低了一些，没有使用最高版本的，这样就解决了错误。

cv@cv:~ $ sudo pip3 uninstall numpy

cv@cv:~ $ sudo pip3 install numpy==1.8.2

目前的版本如下所示

cv@cv:~ $ python3

>>> Python 3.5.2 (default, Nov 12 2018, 13:43:14)

>>> [GCC 5.4.0 20160609] on linux

>>> Type "help", "copyright", "credits" or "license" for more information.

>>> import numpy

>>> import scipy

>>> import skimage

>>> import sklearn

>>> import PIL

>>> numpy.__version__

'1.8.2'

>>> scipy.__version__

'1.0.0'

>>> skimage.__version__

'0.9.3'

>>> sklearn.__version__

'0.19.0'

>>> PIL.__version__

'6.0.0'

cPickle error

在 python3 中使用如下代码会报错：

import cPickle as pk

ImportError: No module named 'cPickle'

原因： python2 有 cPickle ，但 python3 是没有的，其对应的是 pickle

解决办法：将cPickle改为pickle即可

import pickle as pk

编程时要特别注意一下版本问题，因为 python3 并不兼容 python2。

Unicode Decode Error

文件中语句如下

self.density = pk.load(gzip.open(data_filename, "rb"))

执行过程中一直报错

Traceback (most recent call last):

  File "bell2014/decompose.py", line 125, in <module>

    solver = IntrinsicSolver(input, params)

  File "/home/cv/li/mycode/github/intrinsic_test/bell2014/solver.py", line 26,in __init__

    self.energy = IntrinsicEnergy(self.input, params)

  File "/home/cv/li/mycode/github/intrinsic_test/bell2014/energy/energy.py", line 14, in __init__

    self.prob_abs_r = ProbAbsoluteReflectance(params)

  File "/home/cv/li/mycode/github/intrinsic_test/bell2014/energy/prob_abs_r.py", line 16, in __init__

    self._load()

  File "/home/cv/li/mycode/github/intrinsic_test/bell2014/energy/prob_abs_r.py", line 66, in _load

    self.density = pk.load(f)

UnicodeDecodeError: 'ascii' codec can't decode byte 0xfe in position 0: ordinal not in range(128)

想了一下，同时 Google 查了 gzip 和 pickle 的基本使用方法

一般都是这样

# 解压gzip文件示例:

import gzip

f = gzip.open('file.txt.gz', 'rb')

file_content = f.read()

f.close()

# 创建gzip文件:

import gzip

content = "Lots of content here"

f = gzip.open('file.txt.gz', 'wb')

f.write(content)

f.close()

# gzip压缩现有文件:

import gzip

f_in = open('file.txt', 'rb')

f_out = gzip.open('file.txt.gz', 'wb')

f_out.writelines(f_in)

f_out.close()

f_in.close()

gzip操作

就想着试了一下，先把文件打开然后操作，操作完成再关闭

f = gzip.open(data_filename, "rb")

self.density = pk.load(f)

f.close()

果然还是不行，报同样的错误

UnicodeDecodeError: 'ascii' codec can't decode byte 0xfe in position 0: ordinal not in range(128)

看起来是解码的问题，试一下 utf-8

f = gzip.open(data_filename, "rb")

self.density = pk.load(f, encoding='utf-8')

f.close()

有点转机，错误提示改变了

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xfe in position 0: invalid start byte

再试一下 iso-8859-1

f = gzip.open(data_filename, "rb")

self.density = pk.load(f, encoding='iso-8859-1')

f.close()

我的天，竟然可以了！通过了！

参考博客Python3：pickle加载文件产生UnicodeDecodeError

xrang error

运行某代码时，报错

NameError:name ‘xrange’ is not defined

原因：在 python 3 中， range() 与 xrange() 合并为 range( ) 。我的 python 版本为 python3.5。

解决办法：将 xrange( ) 函数全部换为 range( )

最终结果

 Input:

   image_filename: ../../original.png

   mask_filename: None

   judgements_filename: None

   parameters_filename: None

 Output:

   r_filename: ../../original-r.png

   s_filename: ../../original-s.png

 mask_nnz: 280200

 rows * cols: 280200

 loading reflectances...

 loaded reflectances

 solve...

 initialization: k-means clustering with 20 centers...

 clustering done (0.040790392999042524 s).  intensities:

 [  6.92203607e-04   4.26960300e-01   1.24212123e-02   1.89641258e-01

    5.15146685e-02   3.61099089e-02   1.32774291e-02   2.76836577e-01

    8.22313432e-02   4.94125146e-02   3.46569114e-02   1.00000000e-04

    3.33934676e-04   1.00000000e-04   1.38523075e-01   2.60739745e-02

    2.33498816e-01   8.18735683e-02   3.37480727e-01   1.18922356e-01]

 run: starting iteration 0/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 75.89183091743142 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5502416119998088 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (1.1698709270003746 s)

 stage1_optimize_r: done (1.83796778299984 s)

 remove_unused_intensities: 17/20 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (25007 x 17, 50014 nnz)...

 l1 optimization: (iter 0) mean_error: 0.848319845669

 l1 optimization: (iter 10) mean_error: 0.706672318615

 l1 optimization: (iter 20) mean_error: 0.702868308422

 l1 optimization: (iter 22) mean_error increased: 0.702733472884 --> 0.702734513573 (exit)

 stage2_smooth_s: done (0.4088439740007743 s)

 run: starting iteration 1/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 37.94591545871571 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.7491755259998172 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.9353584070013312 s)

 stage1_optimize_r: done (1.7722134529994946 s)

 remove_unused_intensities: 16/17 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (43826 x 16, 87652 nnz)...

 l1 optimization: (iter 0) mean_error: 0.550938643846

 l1 optimization: (iter 10) mean_error: 0.376970472637

 l1 optimization: (iter 20) mean_error: 0.370139366244

 l1 optimization: (iter 30) mean_error: 0.369354364487

 l1 optimization: (iter 40) mean_error: 0.369244346271

 l1 optimization: (iter 47) mean_error: 0.369230949421, delta_error: 8.6196241128e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.7199039520000952 s)

 run: starting iteration 2/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 25.29727697247714 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.6731677829993714 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.778866000000562 s)

 stage1_optimize_r: done (1.537968656000885 s)

 remove_unused_intensities: 15/16 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (44218 x 15, 88436 nnz)...

 l1 optimization: (iter 0) mean_error: 0.540483078222

 l1 optimization: (iter 10) mean_error: 0.372397125285

 l1 optimization: (iter 20) mean_error: 0.366028241311

 l1 optimization: (iter 30) mean_error: 0.365352926541

 l1 optimization: (iter 40) mean_error: 0.365258067798

 l1 optimization: (iter 46) mean_error: 0.365247445171, delta_error: 7.83756222034e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6630497730002389 s)

 run: starting iteration 3/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 18.972957729357855 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.6042482350003411 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.876166440999441 s)

 stage1_optimize_r: done (1.565152675999343 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (43854 x 15, 87708 nnz)...

 l1 optimization: (iter 0) mean_error: 0.548123465878

 l1 optimization: (iter 10) mean_error: 0.379183935982

 l1 optimization: (iter 20) mean_error: 0.370830671736

 l1 optimization: (iter 30) mean_error: 0.36985870122

 l1 optimization: (iter 40) mean_error: 0.36973524898

 l1 optimization: (iter 46) mean_error: 0.369724295589, delta_error: 8.89927681436e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6645084909996513 s)

 run: starting iteration 4/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 15.178366183486284 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5825622169995768 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8731047119999857 s)

 stage1_optimize_r: done (1.53111209799863 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (43004 x 15, 86008 nnz)...

 l1 optimization: (iter 0) mean_error: 0.550404498789

 l1 optimization: (iter 10) mean_error: 0.386131037438

 l1 optimization: (iter 20) mean_error: 0.378380593721

 l1 optimization: (iter 30) mean_error: 0.377523726779

 l1 optimization: (iter 40) mean_error: 0.377437227894

 l1 optimization: (iter 47) mean_error: 0.377422669138, delta_error: 8.53155257996e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6746894789994258 s)

 run: starting iteration 5/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 12.64863848623857 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.586484137998923 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8833774769991578 s)

 stage1_optimize_r: done (1.546162930000719 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (38484 x 15, 76968 nnz)...

 l1 optimization: (iter 0) mean_error: 0.601459488203

 l1 optimization: (iter 10) mean_error: 0.424348137709

 l1 optimization: (iter 20) mean_error: 0.416596460813

 l1 optimization: (iter 30) mean_error: 0.415852904128

 l1 optimization: (iter 40) mean_error: 0.415766428415

 l1 optimization: (iter 42) mean_error: 0.415762909767, delta_error: 7.39926142357e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5937881139998353 s)

 run: starting iteration 6/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 10.84169013106163 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5921503869994922 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8720934989996749 s)

 stage1_optimize_r: done (1.5388636010011396 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (37601 x 15, 75202 nnz)...

 l1 optimization: (iter 0) mean_error: 0.619964978736

 l1 optimization: (iter 10) mean_error: 0.433095199442

 l1 optimization: (iter 20) mean_error: 0.426054271345

 l1 optimization: (iter 30) mean_error: 0.425190827702

 l1 optimization: (iter 40) mean_error: 0.425058632191

 l1 optimization: (iter 48) mean_error: 0.425038841506, delta_error: 9.60581080511e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6509161739995761 s)

 run: starting iteration 7/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 9.486478864678928 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5920468869990145 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8754881279983238 s)

 stage1_optimize_r: done (1.544129306999821 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (36755 x 15, 73510 nnz)...

 l1 optimization: (iter 0) mean_error: 0.627910150615

 l1 optimization: (iter 10) mean_error: 0.43875294303

 l1 optimization: (iter 20) mean_error: 0.431762743505

 l1 optimization: (iter 30) mean_error: 0.431104294517

 l1 optimization: (iter 40) mean_error: 0.431007532326

 l1 optimization: (iter 46) mean_error: 0.430995949755, delta_error: 8.77516629028e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6091458529990632 s)

 run: starting iteration 8/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 8.43242565749238 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5855570280000393 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8547230149997631 s)

 stage1_optimize_r: done (1.515983179999239 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (33610 x 15, 67220 nnz)...

 l1 optimization: (iter 0) mean_error: 0.665736118836

 l1 optimization: (iter 10) mean_error: 0.470680514058

 l1 optimization: (iter 20) mean_error: 0.461393751811

 l1 optimization: (iter 30) mean_error: 0.46026093385

 l1 optimization: (iter 40) mean_error: 0.46008151787

 l1 optimization: (iter 50) mean_error: 0.46006048483

 l1 optimization: (iter 50) mean_error: 0.46006048483, delta_error: 7.13663690532e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.6291282800011686 s)

 run: starting iteration 9/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 7.589183091743142 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5784938489996421 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8727145949997066 s)

 stage1_optimize_r: done (1.5304242220008746 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (31189 x 15, 62378 nnz)...

 l1 optimization: (iter 0) mean_error: 0.709556319409

 l1 optimization: (iter 10) mean_error: 0.500595527149

 l1 optimization: (iter 20) mean_error: 0.492321439986

 l1 optimization: (iter 30) mean_error: 0.491430305891

 l1 optimization: (iter 40) mean_error: 0.491332338391

 l1 optimization: (iter 49) mean_error: 0.491316172339, delta_error: 7.75992434643e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5869300369995472 s)

 run: starting iteration 10/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 6.899257356130129 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.6024649629998748 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8745310489994154 s)

 stage1_optimize_r: done (1.5556861759996536 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (29766 x 15, 59532 nnz)...

 l1 optimization: (iter 0) mean_error: 0.735994109185

 l1 optimization: (iter 10) mean_error: 0.526304734392

 l1 optimization: (iter 20) mean_error: 0.515772788891

 l1 optimization: (iter 30) mean_error: 0.514534596355

 l1 optimization: (iter 36) mean_error increased: 0.514402404439 --> 0.514416410605 (exit)

 stage2_smooth_s: done (0.5050967379993381 s)

 run: starting iteration 11/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 6.324319243119285 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5678862309996475 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8836220150005829 s)

 stage1_optimize_r: done (1.527260953998848 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (29535 x 15, 59070 nnz)...

 l1 optimization: (iter 0) mean_error: 0.741882340631

 l1 optimization: (iter 10) mean_error: 0.530476714165

 l1 optimization: (iter 20) mean_error: 0.522208230328

 l1 optimization: (iter 30) mean_error: 0.521135630436

 l1 optimization: (iter 40) mean_error: 0.520994358485

 l1 optimization: (iter 47) mean_error: 0.520979465156, delta_error: 8.24535989374e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5645751089996338 s)

 run: starting iteration 12/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 5.837833147494725 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5735502790012106 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.9114546349992452 s)

 stage1_optimize_r: done (1.5603041840004153 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (29307 x 15, 58614 nnz)...

 l1 optimization: (iter 0) mean_error: 0.746392356218

 l1 optimization: (iter 10) mean_error: 0.537803689155

 l1 optimization: (iter 20) mean_error: 0.527371253087

 l1 optimization: (iter 30) mean_error: 0.526434112731

 l1 optimization: (iter 40) mean_error: 0.526316320673

 l1 optimization: (iter 46) mean_error: 0.526305673425, delta_error: 9.59256531319e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5614078930011601 s)

 run: starting iteration 13/25                                                                                                                                                                     [214/7610]

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 5.420845065530815 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5659318560010433 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8842907340003876 s)

 stage1_optimize_r: done (1.5257483599998523 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27972 x 15, 55944 nnz)...

 l1 optimization: (iter 0) mean_error: 0.773853801604

 l1 optimization: (iter 10) mean_error: 0.559586556523

 l1 optimization: (iter 20) mean_error: 0.549398153147

 l1 optimization: (iter 30) mean_error: 0.547986199579

 l1 optimization: (iter 35) mean_error increased: 0.547894372781 --> 0.547896035881 (exit)

 stage2_smooth_s: done (0.47925809000116715 s)

 run: starting iteration 14/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 5.059455394495428 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5734855059999973 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.9105934059989522 s)

 stage1_optimize_r: done (1.561003109000012 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27467 x 15, 54934 nnz)...

 l1 optimization: (iter 0) mean_error: 0.783897527628

 l1 optimization: (iter 10) mean_error: 0.566821847196

 l1 optimization: (iter 20) mean_error: 0.557159197805

 l1 optimization: (iter 30) mean_error: 0.55564332358

 l1 optimization: (iter 40) mean_error: 0.55537877309

 l1 optimization: (iter 50) mean_error: 0.55533702513

 l1 optimization: (iter 54) mean_error: 0.555333196652, delta_error: 1.07781230607e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5889139669998258 s)

 run: starting iteration 15/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 4.743239432339464 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5652168649994564 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.9014703690008901 s)

 stage1_optimize_r: done (1.547290978998717 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27116 x 15, 54232 nnz)...

 l1 optimization: (iter 0) mean_error: 0.791842473657

 l1 optimization: (iter 10) mean_error: 0.573400876961

 l1 optimization: (iter 20) mean_error: 0.563325144168

 l1 optimization: (iter 30) mean_error: 0.562210411814

 l1 optimization: (iter 35) mean_error increased: 0.562123003338 --> 0.562123113041 (exit)

 stage2_smooth_s: done (0.47673624800154357 s)

 run: starting iteration 16/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 4.464225348084201 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5694691879998572 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8925902729988593 s)

 stage1_optimize_r: done (1.5394175100009306 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (26079 x 15, 52158 nnz)...

 l1 optimization: (iter 0) mean_error: 0.814814990158

 l1 optimization: (iter 10) mean_error: 0.589985840271

 l1 optimization: (iter 20) mean_error: 0.580643986305

 l1 optimization: (iter 30) mean_error: 0.579654937015

 l1 optimization: (iter 40) mean_error: 0.579545343555

 l1 optimization: (iter 50) mean_error: 0.579523484835

 l1 optimization: (iter 51) mean_error: 0.579523131158, delta_error: 3.53676597342e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5542264689993317 s)

 run: starting iteration 17/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 4.21621282874619 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5775087729998631 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8994289300007949 s)

 stage1_optimize_r: done (1.5562123859999701 s)

 remove_unused_intensities: 15/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (26468 x 15, 52936 nnz)...

 l1 optimization: (iter 0) mean_error: 0.806100123463

 l1 optimization: (iter 10) mean_error: 0.584476665487

 l1 optimization: (iter 20) mean_error: 0.574978404455

 l1 optimization: (iter 30) mean_error: 0.574059125645

 l1 optimization: (iter 40) mean_error: 0.573946381544

 l1 optimization: (iter 48) mean_error: 0.573934056462, delta_error: 7.93614210903e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5404784649999783 s)

 run: starting iteration 18/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 3.9943068903911274 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5776914130001387 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8881214180000825 s)

 stage1_optimize_r: done (1.5512798629988538 s)

 remove_unused_intensities: 14/15 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (26755 x 14, 53510 nnz)...

 l1 optimization: (iter 0) mean_error: 0.800227144263

 l1 optimization: (iter 10) mean_error: 0.580760011161

 l1 optimization: (iter 20) mean_error: 0.571072338112

 l1 optimization: (iter 30) mean_error: 0.570175604626

 l1 optimization: (iter 40) mean_error: 0.57003969275

 l1 optimization: (iter 48) mean_error: 0.570021159545, delta_error: 6.59219483889e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5348999540001387 s)

 run: starting iteration 19/25

 compute_unary_costs...

 blur sigma: 3.794591545871571 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5321224870003789 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8216276469993318 s)

 stage1_optimize_r: done (1.4295585580002808 s)

 remove_unused_intensities: 14/14 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (25760 x 14, 51520 nnz)...

 l1 optimization: (iter 0) mean_error: 0.823102834924

 l1 optimization: (iter 10) mean_error: 0.598165207553

 l1 optimization: (iter 20) mean_error: 0.58779100678

 l1 optimization: (iter 30) mean_error: 0.586455670291

 l1 optimization: (iter 40) mean_error: 0.586311308971

 l1 optimization: (iter 48) mean_error: 0.586294653467, delta_error: 9.07397276428e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5258193869995011 s)

 run: starting iteration 20/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 3.613896710353877 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.5337906789991393 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.8146714840004279 s)

 stage1_optimize_r: done (1.423714012000346 s)

 remove_unused_intensities: 13/14 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27844 x 13, 55688 nnz)...

 l1 optimization: (iter 0) mean_error: 0.7763068581

 l1 optimization: (iter 10) mean_error: 0.56457658627

 l1 optimization: (iter 20) mean_error: 0.554611154765

 l1 optimization: (iter 30) mean_error: 0.553539496221

 l1 optimization: (iter 40) mean_error: 0.553407694958

 l1 optimization: (iter 49) mean_error: 0.553388498944, delta_error: 5.71098693003e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.535263923000457 s)

 run: starting iteration 21/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 3.4496286780650647 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.4950314950001484 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.7790628120001202 s)

 stage1_optimize_r: done (1.3543717560005462 s)

 remove_unused_intensities: 12/13 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27464 x 12, 54928 nnz)...

 l1 optimization: (iter 0) mean_error: 0.783821193892

 l1 optimization: (iter 10) mean_error: 0.567872874384

 l1 optimization: (iter 20) mean_error: 0.559774390113

 l1 optimization: (iter 30) mean_error: 0.558840502984

 l1 optimization: (iter 40) mean_error: 0.55872708717

 l1 optimization: (iter 47) mean_error: 0.558709929732, delta_error: 8.11216353647e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5060469210002339 s)

 run: starting iteration 22/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...                                                                                                                                                                             [32/7610]

 blur sigma: 3.2996448224970183 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.4522810700000264 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.6781864069998846 s)

 stage1_optimize_r: done (1.2041443830003118 s)

 remove_unused_intensities: 12/12 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (26613 x 12, 53226 nnz)...

 l1 optimization: (iter 0) mean_error: 0.803313082765

 l1 optimization: (iter 10) mean_error: 0.585454389126

 l1 optimization: (iter 20) mean_error: 0.572935523084

 l1 optimization: (iter 30) mean_error: 0.571668572036

 l1 optimization: (iter 40) mean_error: 0.571550105523

 l1 optimization: (iter 50) mean_error: 0.57152486767

 l1 optimization: (iter 51) mean_error: 0.571524126167, delta_error: 7.41502855561e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.515380897999421 s)

 run: starting iteration 23/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 3.1621596215596424 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.4568941420002375 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.6868505080001341 s)

 stage1_optimize_r: done (1.2174359950004146 s)

 remove_unused_intensities: 12/12 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (28014 x 12, 56028 nnz)...

 l1 optimization: (iter 0) mean_error: 0.773720996995

 l1 optimization: (iter 10) mean_error: 0.56187904257

 l1 optimization: (iter 20) mean_error: 0.550965017396

 l1 optimization: (iter 30) mean_error: 0.549877522487

 l1 optimization: (iter 40) mean_error: 0.549742202569

 l1 optimization: (iter 47) mean_error: 0.549728343696, delta_error: 9.56516332029e-07 < 1e-06 (exit)

 stage2_smooth_s: done (0.5140209019991744 s)

 run: starting iteration 24/25

 stage1_optimize_r: compute costs...

 compute_unary_costs...

 blur sigma: 3.035673236697257 pixels (image diagonal: 758.9183091743142 pixels)

 compute_unary_costs: done (0.46191501500106824 s)

 stage1_optimize_r: optimizing dense crf (10 iters)...

 stage1_optimize_r: dense crf done (0.6868947450002452 s)

 stage1_optimize_r: done (1.2291630130002886 s)

 remove_unused_intensities: 12/12 labels kept

 split_label_clusters: 12 --> 5912

 remove_unused_intensities: 5912/5912 labels kept

 stage2_smooth_s: constructing linear system...

 solving linear system...

 solving sparse linear system (27519 x 5912, 55038 nnz)...

 l1 optimization: (iter 0) mean_error: 0.211440063628

 l1 optimization: (iter 10) mean_error: 0.203399581531

 l1 optimization: (iter 20) mean_error: 0.203242222921

 l1 optimization: (iter 24) mean_error: 0.203233986913, delta_error: 7.34804542463e-07 < 1e-06 (exit)

 stage2_smooth_s: done (8.013847729998815 s)

 solve (61.8871597870002 s)

Output

效果示意，其中第一幅图是输入的原图original.png，第二幅图是生成的反射图像original-r.png，第三幅图是生成的光照图像original-s.png，看结果还是十分可观的。

巴特西

调试seanbell/intrinsic遇到的坑

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