#!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
-----------?---------??----------?-----??----

?????文件????????500??2018-10-18?05:04??darknet-cpu\.circleci\config.yml

?????文件????????172??2018-11-14?21:14??darknet-cpu\.git\config

?????文件?????????73??2018-11-14?21:09??darknet-cpu\.git\description

?????文件?????????23??2018-11-14?21:09??darknet-cpu\.git\HEAD

?????文件????????478??2018-11-14?21:09??darknet-cpu\.git\hooks\applypatch-msg.sample

?????文件????????896??2018-11-14?21:09??darknet-cpu\.git\hooks\commit-msg.sample

?????文件???????3327??2018-11-14?21:09??darknet-cpu\.git\hooks\fsmonitor-watchman.sample

?????文件????????189??2018-11-14?21:09??darknet-cpu\.git\hooks\post-update.sample

?????文件????????424??2018-11-14?21:09??darknet-cpu\.git\hooks\pre-applypatch.sample

?????文件???????1638??2018-11-14?21:09??darknet-cpu\.git\hooks\pre-commit.sample

?????文件???????1348??2018-11-14?21:09??darknet-cpu\.git\hooks\pre-push.sample

?????文件???????4898??2018-11-14?21:09??darknet-cpu\.git\hooks\pre-rebase.sample

?????文件????????544??2018-11-14?21:09??darknet-cpu\.git\hooks\pre-receive.sample

?????文件???????1492??2018-11-14?21:09??darknet-cpu\.git\hooks\prepare-commit-msg.sample

?????文件???????3610??2018-11-14?21:09??darknet-cpu\.git\hooks\update.sample

?????文件????????240??2018-11-14?21:09??darknet-cpu\.git\info\exclude

?????文件?????????15??2018-11-14?21:11??darknet-cpu\.git\objects\4b\825dc642cb6eb9a060e54bf8d69288fbee4904

?????文件????????271??2018-10-18?05:04??darknet-cpu\.gitignore

?????文件?????185976??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x64\pthreadGC2.dll

?????文件??????82944??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x64\pthreadVC2.dll

?????文件?????119888??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x86\pthreadGC2.dll

?????文件?????121953??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x86\pthreadGCE2.dll

?????文件??????55808??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x86\pthreadVC2.dll

?????文件??????61952??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x86\pthreadVCE2.dll

?????文件??????57344??2018-10-18?05:04??darknet-cpu\3rdparty\dll\x86\pthreadVSE2.dll

?????文件??????42499??2018-10-18?05:04??darknet-cpu\3rdparty\include\pthread.h

?????文件???????4995??2018-10-18?05:04??darknet-cpu\3rdparty\include\sched.h

?????文件???????4563??2018-10-18?05:04??darknet-cpu\3rdparty\include\semaphore.h

?????文件??????93692??2018-10-18?05:04??darknet-cpu\3rdparty\lib\x64\libpthreadGC2.a

?????文件??????29738??2018-10-18?05:04??darknet-cpu\3rdparty\lib\x64\pthreadVC2.lib

............此處省略2037個文件信息