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1992 Commits

Author SHA1 Message Date
Davis King c57c860a2b updated the docs 
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 2011-04-18 13:50:17 +00:00
Davis King 6bbfc7e809 Changed the crc32 object so you don't have to say crc32::kernel_1a anymore to 
declare it.  You just say crc32.  I also added some unit tests for it as well
as a few minor convenience functions.

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 2011-04-18 13:47:43 +00:00
Davis King 9301387000 Made it so you can reset a console_progress_indicator and use 
it more than once.

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 2011-04-17 21:50:56 +00:00
Davis King d4d090f1cf The last commit left something in checking (i.e. _c mode). 
Just switching it back to non-checking mode.

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 2011-04-09 01:21:10 +00:00
Davis King 4af255e286 Added a missing requires clause to the get_sum_of_area() function 
in the integral_image.  I also made the integral_image work
with signed pixel types.

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 2011-04-08 01:11:31 +00:00
Davis King 7745c5f978 Modified the probabilistic() trainer adapter (and the train_probabilistic_decision_function() routine) 
so that they work with objects which have an interface compatible with std::vector rather than strictly
just std::vector objects.  For example, random_subset_selector objects can be used (as was the case in
some previous versions of dlib).

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 2011-04-07 00:37:55 +00:00
Davis King eba0c564d5 Added a value_type to the random_subset_selector so that it is more compatible 
with the std::vector interface.

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 2011-04-07 00:35:22 +00:00
Davis King 973e8b4d61 updated docs 
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 2011-03-24 23:56:02 +00:00
Davis King ea5c57a2a0 made a release 
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 2011-03-24 23:48:47 +00:00
Davis King 2a16d0c811 Fixed a compile time error that happens on debian's gcc 4.1.2 
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 2011-03-24 23:42:41 +00:00
Davis King 6bc4066acf updated docs 
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 2011-03-24 23:23:01 +00:00
Davis King 7e9d7f0705 added to svn:ignore list 
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 2011-03-24 23:15:59 +00:00
Davis King e89d424e5e fixed grammar 
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 2011-03-24 22:20:43 +00:00
Davis King 4162c18f69 minor change to avoid compiler warning in visual studio. 
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 2011-03-24 02:55:06 +00:00
Davis King f6ddef170e updated docs 
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 2011-03-24 02:44:44 +00:00
Davis King e11cf36f63 Added a unit test for the new svm_multiclass_linear_trainer. 
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 2011-03-24 02:34:54 +00:00
Davis King 2b4b5e547e Filled out spec and cleaned up code. 
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 2011-03-24 02:23:59 +00:00
Davis King 0cd9fbd92a Added some missing DLIB_ASSERT statements. 
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 2011-03-24 02:08:31 +00:00
Davis King 640acab208 Moved the new multiclass svm trainer into dlib. Still need to clean up the code 
and setup the abstract file.

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 2011-03-24 01:52:44 +00:00
Davis King 7cf342f994 Fixed compile time error 
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 2011-03-24 01:51:56 +00:00
Davis King ef4523f34c updated docs 
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 2011-03-23 23:44:08 +00:00
Davis King 4b2ab507f7 improved spec 
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 2011-03-23 23:43:56 +00:00
Davis King 1580a7a74b updated docs 
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 2011-03-23 17:46:03 +00:00
Davis King 660be979fe updated spec 
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 2011-03-23 17:40:22 +00:00
Davis King 75b0b774a7 Fixed grammar 
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 2011-03-23 16:13:25 +00:00
Davis King 01d8ff8d20 Added a structural SVM solver. 
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 2011-03-23 02:00:53 +00:00
Davis King 3db2ece675 Minor cleanup, I removed unnecessary code. 
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 2011-03-23 01:08:55 +00:00
Davis King 514e0f3853 Removed inappropriate uses of const on the be_verbose() functions. 
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 2011-03-23 00:39:39 +00:00
Davis King 926c2afa6f Added some more tests for the max_cost_assignment() function. 
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 2011-03-23 00:32:15 +00:00
Davis King 4f46a90104 Minor change to avoid a compiler warning in gcc. 
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 2011-03-23 00:24:39 +00:00
Davis King 0e25de9c10 updated docs 
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 2011-03-22 02:42:28 +00:00
Davis King b9a1e0c93a Added the multiclass_linear_decision_function object. 
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 2011-03-22 02:38:46 +00:00
Davis King 1e7659dc64 It occurred to me that in some cases it is very easy to end up with dense vectors 
which are slightly smaller than their corresponding sparse vectors.  So I changed
the requires clause of the dot(sparse,dense) and dot(dense,sparse) functions to not
require that the dense vector's size > sparse vector's size.  Now any combination
of sizes is legal.

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 2011-03-22 00:56:08 +00:00
Davis King 790f442b7d updated docs 
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 2011-03-20 18:37:07 +00:00
Davis King bf43a30c23 Renamed assign_dense_to_sparse() to assign() and made it capable of also 
assigning from sparse to sparse.

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 2011-03-20 18:36:53 +00:00
Davis King f1d98591a8 Clarified spec. 
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 2011-03-20 18:12:48 +00:00
Davis King 02ec16db94 Added a dot() function which can dot a sparse vector with a dense vector. 
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 2011-03-20 14:13:32 +00:00
Davis King 57aed828d4 updated docs 
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 2011-03-18 18:43:10 +00:00
Davis King aed73cd057 This change is mainly about adding a result_type typedef to the various function objects. 
Prior to this change, different function objects declared their return type in different ways,
now this has all been reconciled.  Now they all declare it as a public typedef named result_type.

I also simplified the cross_validate_multiclass_trainer(), cross_validate_trainer(),
test_binary_decision_function(), and test_multiclass_decision_function().  They now always
return double matrices regardless of any other consideration.

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 2011-03-18 18:42:53 +00:00
Davis King 7e934b9de1 Added some tests for the LIBSVM formatted data IO functions 
and related routines.

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 2011-03-18 14:35:35 +00:00
Davis King 4427c91ab4 updated docs 
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 2011-03-18 13:42:31 +00:00
Davis King a6b8cc9b7f Added the fix_nonzero_indexing() function. 
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 2011-03-18 13:31:52 +00:00
Davis King ae79b13a07 made test more robust 
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 2011-03-16 23:42:57 +00:00
Davis King eef728d280 Simplified the oca implementation slightly. It no longer keeps track of the 
best point seen so far.  This change will allow me to use the optimizer in conjunction
with methods for quickly approximating subgradients and risk values without needing
to worry about the optimizer permanently fixating on what it erroneously thinks
is the best point.  Now the optimizer will just keep solving the cutting plane
subproblem and will use that solution as the current iterate and best known
solution.

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 2011-03-16 23:33:25 +00:00
Davis King bc487527d3 updated docs 
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 2011-03-15 22:48:13 +00:00
Davis King d0f2eb4318 Renamed max_index_value_plus_one() (a function for working with graphs) to 
max_index_plus_one() so that it uses the same name as the essentially identical
function for working with sparse vectors.

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 2011-03-15 22:42:33 +00:00
Davis King d8e7ee4c1d Moved some functions for dealing with sparse vectors out of the svm_c_linear_trainer 
implementation and into the sparse_vector.h header.  These are the add_to(), subtract_from(),
and max_index_plus_one() functions.

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 2011-03-15 22:38:36 +00:00
Davis King 392c7758e5 Added a value_type typedef to matrix_exp so it's easier to write templates 
which operate on STL containers and matrix objects.

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 2011-03-15 02:03:06 +00:00
Davis King 730037dc29 Removed some old comments 
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 2011-03-13 18:21:50 +00:00
Davis King 23e169da02 Fixed a bug in the kernel_matrix() function. It didn't compile when used with 
sparse samples which were of type std::vector<std::pair<> >.  Moreover, some of
the trainers have a dependency on kernel_matrix() so this fix makes those trainers
also work with this kind of sparse sample.

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 2011-03-13 17:19:56 +00:00