#!python3
“““
Python?3?wrapper?for?identifying?objects?in?images

Requires?DLL?compilation

Both?the?GPU?and?no-GPU?version?should?be?compiled;?the?no-GPU?version?should?be?renamed?“yolo_cpp_dll_nogpu.dll“.

On?a?GPU?system?you?can?force?CPU?evaluation?by?any?of:

-?Set?global?variable?DARKNET_FORCE_CPU?to?True
-?Set?environment?variable?CUDA_VISIBLE_DEVICES?to?-1
-?Set?environment?variable?“FORCE_CPU“?to?“true“


To?use?either?run?performDetect（）?after?import?or?modify?the?end?of?this?file.

See?the?docstring?of?performDetect（）?for?parameters.

Directly?viewing?or?returning?bounding-boxed?images?requires?scikit-image?to?be?installed?（‘pip?install?scikit-image‘）


Original?*nix?2.7:?https://github.com/pjreddie/darknet/blob/0f110834f4e18b30d5f101bf8f1724c34b7b83db/python/darknet.py
Windows?Python?2.7?version:?https://github.com/AlexeyAB/darknet/blob/fc496d52bf22a0bb257300d3c79be9cd80e722cb/build/darknet/x64/darknet.py

@author:?Philip?Kahn
@date:?20180503
“““
#pylint:?disable=R?W0401?W0614?W0703
from?ctypes?import?*
import?math
import?random
import?os

def?sample（probs）:
????s?=?sum（probs）
????probs?=?[a/s?for?a?in?probs]
????r?=?random.uniform（0?1）
????for?i?in?range（len（probs））:
????????r?=?r?-?probs[i]
????????if?r?<=?0:
????????????return?i
????return?len（probs）-1

def?c_array（ctype?values）:
????arr?=?（ctype*len（values））（）
????arr[:]?=?values
????return?arr

class?BOX（Structure）:
????_fields_?=?[（“x“?c_float）
????????????????（“y“?c_float）
????????????????（“w“?c_float）
????????????????（“h“?c_float）]

class?DETECTION（Structure）:
????_fields_?=?[（“bbox“?BOX）
????????????????（“classes“?c_int）
????????????????（“prob“?POINTER（c_float））
????????????????（“mask“?POINTER（c_float））
????????????????（“objectness“?c_float）
????????????????（“sort_class“?c_int）]


class?IMAGE（Structure）:
????_fields_?=?[（“w“?c_int）
????????????????（“h“?c_int）
????????????????（“c“?c_int）
????????????????（“data“?POINTER（c_float））]

class?metaDATA（Structure）:
????_fields_?=?[（“classes“?c_int）
????????????????（“names“?POINTER（c_char_p））]



#lib?=?CDLL（“/home/pjreddie/documents/darknet/libdarknet.so“?RTLD_GLOBAL）
#lib?=?CDLL（“darknet.so“?RTLD_GLOBAL）
hasGPU?=?True
if?os.name?==?“nt“:
????cwd?=?os.path.dirname（__file__）
????os.environ[‘PATH‘]?=?cwd?+?‘;‘?+?os.environ[‘PATH‘]
????winGPUdll?=?os.path.join（cwd?“yolo_cpp_dll.dll“）
????winNoGPUdll?=?os.path.join（cwd?“yolo_cpp_dll_nogpu.dll“）
????envKeys?=?list（）
????for?k?v?in?os.environ.items（）:
????????envKeys.append（k）
????try:
????????try:
????????????tmp?=?os.environ[“FORCE_CPU“].lower（）
????????????if?tmp?in?[“1“?“true“?“yes“?“on“]:
????????????????raise?ValueError（“ForceCPU“）
????????????else:
????????????????print（“Flag?value?‘“+tmp+“‘?not?forcing?CPU?mode“）
????????except?KeyError:
????????????#?We?never?set?the?flag
????????????if?‘CUDA_VISIBLE_DEVICES‘?in?envKeys:
????????????????if?int（os.environ[‘CUDA_VISIBLE_DEVICES‘]）?????????????????????raise?ValueError（“ForceCPU“）
??????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-10-13?21:20??darknet-master\
?????目錄???????????0??2018-10-13?21:20??darknet-master\.circleci\
?????文件?????????500??2018-10-13?21:20??darknet-master\.circleci\config.yml
?????文件?????????271??2018-10-13?21:20??darknet-master\.gitignore
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\dll\
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\dll\x64\
?????文件??????185976??2018-10-13?21:20??darknet-master\3rdparty\dll\x64\pthreadGC2.dll
?????文件???????82944??2018-10-13?21:20??darknet-master\3rdparty\dll\x64\pthreadVC2.dll
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\
?????文件??????119888??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\pthreadGC2.dll
?????文件??????121953??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\pthreadGCE2.dll
?????文件???????55808??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\pthreadVC2.dll
?????文件???????61952??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\pthreadVCE2.dll
?????文件???????57344??2018-10-13?21:20??darknet-master\3rdparty\dll\x86\pthreadVSE2.dll
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\include\
?????文件???????42499??2018-10-13?21:20??darknet-master\3rdparty\include\pthread.h
?????文件????????4995??2018-10-13?21:20??darknet-master\3rdparty\include\sched.h
?????文件????????4563??2018-10-13?21:20??darknet-master\3rdparty\include\semaphore.h
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\lib\
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\lib\x64\
?????文件???????93692??2018-10-13?21:20??darknet-master\3rdparty\lib\x64\libpthreadGC2.a
?????文件???????29738??2018-10-13?21:20??darknet-master\3rdparty\lib\x64\pthreadVC2.lib
?????目錄???????????0??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\
?????文件???????93480??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\libpthreadGC2.a
?????文件???????93486??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\libpthreadGCE2.a
?????文件???????30334??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\pthreadVC2.lib
?????文件???????30460??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\pthreadVCE2.lib
?????文件???????30460??2018-10-13?21:20??darknet-master\3rdparty\lib\x86\pthreadVSE2.lib
?????文件?????????515??2018-10-13?21:20??darknet-master\LICENSE
?????文件????????4543??2018-10-13?21:20??darknet-master\Makefile
............此處省略1909個文件信息