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1080 Commits

Author SHA1 Message Date
Davis King a6d5626599 Fixed compiler warning from gcc 
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 2009-09-09 00:37:00 +00:00
Davis King 369f67c659 Added a missing #include. 
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 2009-09-09 00:31:57 +00:00
Davis King 384060690e Changed the code a little in an attempt to make it more robust against Windows header 
files that try and #define the words "min" and "max"

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 2009-09-09 00:29:48 +00:00
Davis King 15f5889e11 Fixed typo in spec. 
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 2009-09-07 17:37:25 +00:00
Davis King 98cab583b2 Added comments regarding the paired calling order of functions and their 
derivatives.

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 2009-09-07 16:11:20 +00:00
Davis King 880f532c3d Fixed spelling and grammar. 
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 2009-09-07 15:52:00 +00:00
Davis King 5df855d798 Refined the spec for some functions and also added some missing asserts. 
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 2009-09-07 15:23:19 +00:00
Davis King ea35161a94 updated the docs 
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 2009-09-07 04:09:51 +00:00
Davis King 9fb35897b7 Split the code up into multiple files and setup the abstracts for each of them. 
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rename : dlib/optimization/optimization.h => dlib/optimization/optimization_line_search.h
rename : dlib/optimization/optimization_abstract.h => dlib/optimization/optimization_line_search_abstract.h
rename : dlib/optimization/optimization.h => dlib/optimization/optimization_search_strategies.h
rename : dlib/optimization/optimization_abstract.h => dlib/optimization/optimization_search_strategies_abstract.h
rename : dlib/optimization/optimization.h => dlib/optimization/optimization_stop_strategies.h
rename : dlib/optimization/optimization_abstract.h => dlib/optimization/optimization_stop_strategies_abstract.h
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 2009-09-07 02:37:28 +00:00
Davis King 75b3839a71 Changed comment because I think it is easier to read this way. 
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 2009-09-06 21:44:58 +00:00
Davis King 50fd0ec14d Updated the optimization example to take account of the recent changes 
to the optimization routines.

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 2009-09-06 20:41:49 +00:00
Davis King bbeabe4599 Removed the old find_min* functions, updated the regression tests, and 
modified any code that used the old functions.

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 2009-09-06 19:58:16 +00:00
Davis King 5cf9b7e184 Added negate_function and find_max versions of the find_min functions. 
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 2009-09-06 18:10:00 +00:00
Davis King 0e63193eb7 Added the objective_delta_stop_strategy and generally cleaned up the code more. 
Also optimized the derivative() function a bit.

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 2009-09-06 03:55:41 +00:00
Davis King 7d63029ae5 Added an L-BFGS search strategy. 
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 2009-09-06 02:43:08 +00:00
Davis King c3a3dd8b26 Changed code slightly to avoid a warning from gcc. 
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 2009-09-06 02:41:33 +00:00
Davis King 7831ae0221 This is the first checkin of a bunch of code refactoring I have been doing to this component. 
Most of these changes are just rearrangements of the old code.  However, I also changed
the starting value of a line search and also removed some unneeded calls to the objective
function and its derivative in the course of doing the refactoring.  This has all resulted
in a significant reduction in calls to the objective function.

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 2009-09-05 20:21:06 +00:00
Davis King 46401b0641 Changed the image_window so that it doesn't resize itself if you keep 
giving it images that are the same size.  This way if you are sending
video data to it will allow the user to change the size of the window
without having it snap right back.

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 2009-09-03 21:29:40 +00:00
Davis King 49f2050c9a Fixed grammar 
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 2009-09-01 00:22:04 +00:00
Davis King 8df2338af5 Fixed a bug in the get_filesystem_roots() roots function that 
prevented it from compiling.

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 2009-08-31 22:23:29 +00:00
Davis King 97905301cb updated the docs 
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 2009-08-30 18:49:33 +00:00
Davis King c21adb981f Made a release 
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 2009-08-30 18:33:03 +00:00
Davis King ed82f0ac50 updated docs 
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 2009-08-30 14:26:02 +00:00
Davis King e1fef7b968 Fixed typo in comment. 
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 2009-08-30 14:10:42 +00:00
Davis King 3b7a193425 Changed code to avoid compiler warning. 
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 2009-08-29 23:26:46 +00:00
Davis King 17e5172d53 Changed the display size of the boxes in this example so that each 
box is the same size as the SURF window.  I thought the smaller boxes
were easier on the eyes but not using the SURF window size is probably
confusing.

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 2009-08-29 23:26:24 +00:00
Davis King e60bfc7bde Minor changes to avoid compiler warnings in mingw. 
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 2009-08-29 18:00:06 +00:00
Davis King 867756ca17 In addition to minor code cleanup I also changed the following: 
- The zoomable_region widget now uses exponential rather than linear
     zoom scaling since this is much more pleasing to use.  There is now
     a new requirement on the zoom increment that it must be between 0
     and 1.
   - I added a few missing requires clauses.
   - I changed the set_zoom_scale() function so that it actually changes
     the zoom scale even if the user requests a zoom value outside the
     allowed range.  It just uses the max or min allowed value rather than
     doing nothing.

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 2009-08-29 15:01:58 +00:00
Davis King d511810723 Added a check to the deserialization code for vector_normalizer objects that 
will detect if the user is trying to deserialize a vector_normalizer_pca object
into a vector_normalizer.  If so it throws serialization_error.

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 2009-08-29 14:21:56 +00:00
Davis King 12599d072f Added a get_rect() for array2d objects. 
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 2009-08-29 14:20:26 +00:00
Davis King c00e52255d updated the docs 
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 2009-08-29 13:40:30 +00:00
Davis King 0d4281087b Added the bgr_pixel and cv_image objects. 
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 2009-08-29 13:24:29 +00:00
Davis King 6db661300f updated the docs 
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 2009-08-29 12:16:39 +00:00
Davis King 41687ecb51 Added some typedefs for signed fixed width integers. 
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 2009-08-29 12:07:08 +00:00
Davis King bb75e2daed Switched the batch mode kernel cache to use whatever floating point 
type the rest of the code is using because otherwise it can negatively
impact the results of training.

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 2009-08-24 22:59:50 +00:00
Davis King 388441ee75 Added a version of clamp that can take runtime determined values. 
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 2009-08-22 00:48:14 +00:00
Davis King 2d900ec714 Fixed broken link 
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 2009-08-21 13:37:35 +00:00
Davis King 7ecde3b814 Fixed a minor bug in the zoomable_region::set_min_zoom_scale() function. 
It didn't always end up zooming in a smooth sensible manner after this
function was called.

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 2009-08-18 22:33:39 +00:00
Davis King 276599fe1a updated the docs 
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 2009-08-14 16:58:11 +00:00
Davis King 2f257cb00e Added a dot() function for matrix objects. 
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 2009-08-14 16:54:52 +00:00
Davis King 36a8b0dcfd updated the docs 
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 2009-08-14 14:19:56 +00:00
Davis King b08282e268 Added the reciprocal_max() function. 
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 2009-08-14 14:16:48 +00:00
Davis King ac5b18a49e updated the docs 
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 2009-08-12 00:49:44 +00:00
Davis King 4370a5f7ef Split the vector_normalizer into a normal normalizer and a pca normalizer 
version.  I did this mostly so that the normal version can return
matrix_type objects and thus avoid any reallocation of matrix objects
in client code.

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 2009-08-12 00:45:21 +00:00
Davis King 23243adfce Fixed incorrect comments. 
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 2009-08-11 22:26:29 +00:00
Davis King 213cd1d2ea Fixed the serialization functions for the normalized_function object. They will 
now work with custom normalizer function objects.

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 2009-08-11 22:08:08 +00:00
Davis King 958b9b5b91 Fixed an inclusion order bug between the shared_ptr_thread_safe and thread_pool files. 
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 2009-08-06 15:26:59 +00:00
Davis King e421c1fc0c Removed cruft from spec. 
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 2009-08-05 01:19:55 +00:00
Davis King f8534f9988 Modified the svm_pegasos class so that the user can set independent lambda 
parameters for each class.  This also breaks backwards compatibility with
the previous interface slightly and changes the serialization format
of this class.

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 2009-08-05 01:13:34 +00:00
Davis King 3b6f3f2014 Upped the number of sample vectors to 10000. 
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 2009-08-05 00:11:50 +00:00