“““
Mask?R-CNN
Configurations?and?data?loading?code?for?MS?COCO.

Copyright?（c）?2017?Matterport?Inc.
Licensed?under?the?MIT?License?（see?LICENSE?for?details）
Written?by?Waleed?Abdulla

------------------------------------------------------------

Usage:?import?the?module?（see?Jupyter?notebooks?for?examples）?or?run?from
???????the?command?line?as?such:

????#?Train?a?new?model?starting?from?pre-trained?COCO?weights
????python3?coco.py?train?--dataset=/path/to/coco/?--model=coco

????#?Train?a?new?model?starting?from?ImageNet?weights
????python3?coco.py?train?--dataset=/path/to/coco/?--model=imagenet

????#?Continue?training?a?model?that?you?had?trained?earlier
????python3?coco.py?train?--dataset=/path/to/coco/?--model=/path/to/weights.h5

????#?Continue?training?the?last?model?you?trained
????python3?coco.py?train?--dataset=/path/to/coco/?--model=last

????#?Run?COCO?evaluatoin?on?the?last?model?you?trained
????python3?coco.py?evaluate?--dataset=/path/to/coco/?--model=last
“““

import?os
import?time
import?numpy?as?np

#?Download?and?install?the?Python?COCO?tools?from?https://github.com/waleedka/coco
#?That‘s?a?fork?from?the?original?https://github.com/pdollar/coco?with?a?bug
#?fix?for?Python?3.
#?I?submitted?a?pull?request?https://github.com/cocodataset/cocoapi/pull/50
#?If?the?PR?is?merged?then?use?the?original?repo.
#?Note:?Edit?PythonAPI/Makefile?and?replace?“python“?with?“python3“.
from?pycocotools.coco?import?COCO
from?pycocotools.cocoeval?import?COCOeval
from?pycocotools?import?mask?as?maskUtils

import?zipfile
import?urllib.request
import?shutil

from?config?import?Config
import?utils
import?model?as?modellib

#?Root?directory?of?the?project
ROOT_DIR?=?os.getcwd（）

#?Path?to?trained?weights?file
COCO_MODEL_PATH?=?os.path.join（ROOT_DIR?“mask_rcnn_coco.h5“）

#?Directory?to?save?logs?and?model?checkpoints?if?not?provided
#?through?the?command?line?argument?--logs
DEFAULT_LOGS_DIR?=?os.path.join（ROOT_DIR?“logs“）
DEFAULT_DATASET_YEAR?=?“2014“

############################################################
#??Configurations
############################################################


class?CocoConfig（Config）:
????“““Configuration?for?training?on?MS?COCO.
????Derives?from?the?base?Config?class?and?overrides?values?specific
????to?the?COCO?dataset.
????“““
????#?Give?the?configuration?a?recognizable?name
????NAME?=?“coco“

????#?We?use?a?GPU?with?12GB?memory?which?can?fit?two?images.
????#?Adjust?down?if?you?use?a?smaller?GPU.
????IMAGES_PER_GPU?=?2

????#?Uncomment?to?train?on?8?GPUs?（default?is?1）
????#?GPU_COUNT?=?8

????#?Number?of?classes?（including?background）
????NUM_CLASSES?=?1?+?80??#?COCO?has?80?classes


############################################################
#??Dataset
############################################################

class?CocoDataset（utils.Dataset）:
????def?load_coco（self?dataset_dir?subset?year=DEFAULT_DATASET_YEAR?class_ids=None
??????????????????class_map=None?return_coco=False?auto_download=False）:
?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-24?07:25??Mask_RCNN-master\
?????文件??????????51??2017-12-24?07:25??Mask_RCNN-master\.gitignore
?????文件????????1095??2017-12-24?07:25??Mask_RCNN-master\LICENSE
?????文件???????10431??2017-12-24?07:25??Mask_RCNN-master\README.md
?????目錄???????????0??2017-12-24?07:25??Mask_RCNN-master\assets\
?????文件???????70770??2017-12-24?07:25??Mask_RCNN-master\assets\detection_activations.png
?????文件??????764709??2017-12-24?07:25??Mask_RCNN-master\assets\detection_anchors.png
?????文件??????908404??2017-12-24?07:25??Mask_RCNN-master\assets\detection_final.png
?????文件???????13755??2017-12-24?07:25??Mask_RCNN-master\assets\detection_histograms.png
?????文件????????9981??2017-12-24?07:25??Mask_RCNN-master\assets\detection_masks.png
?????文件??????719616??2017-12-24?07:25??Mask_RCNN-master\assets\detection_refinement.png
?????文件???????44117??2017-12-24?07:25??Mask_RCNN-master\assets\detection_tensorboard.png
?????文件??????892357??2017-12-24?07:25??Mask_RCNN-master\assets\donuts.png
?????文件??????951532??2017-12-24?07:25??Mask_RCNN-master\assets\sheep.png
?????文件??????939244??2017-12-24?07:25??Mask_RCNN-master\assets\street.png
?????文件???????20737??2017-12-24?07:25??Mask_RCNN-master\coco.py
?????文件????????6192??2017-12-24?07:25??Mask_RCNN-master\config.py
?????文件?????1551456??2017-12-24?07:25??Mask_RCNN-master\demo.ipynb
?????目錄???????????0??2017-12-24?07:25??Mask_RCNN-master\images\
?????文件??????140945??2017-12-24?07:25??Mask_RCNN-master\images\1045023827_4ec3e8ba5c_z.jpg
?????文件???????68354??2017-12-24?07:25??Mask_RCNN-master\images\12283150_12d37e6389_z.jpg
?????文件??????208110??2017-12-24?07:25??Mask_RCNN-master\images\2383514521_1fc8d7b0de_z.jpg
?????文件??????133711??2017-12-24?07:25??Mask_RCNN-master\images\2502287818_41e4b0c4fb_z.jpg
?????文件??????181227??2017-12-24?07:25??Mask_RCNN-master\images\2516944023_d00345997d_z.jpg
?????文件??????180424??2017-12-24?07:25??Mask_RCNN-master\images\25691390_f9944f61b5_z.jpg
?????文件??????124808??2017-12-24?07:25??Mask_RCNN-master\images\262985539_1709e54576_z.jpg
?????文件??????173689??2017-12-24?07:25??Mask_RCNN-master\images\3132016470_c27baa00e8_z.jpg
?????文件??????160935??2017-12-24?07:25??Mask_RCNN-master\images\3627527276_6fe8cd9bfe_z.jpg
?????文件??????150547??2017-12-24?07:25??Mask_RCNN-master\images\3651581213_f81963d1dd_z.jpg
?????文件??????122553??2017-12-24?07:25??Mask_RCNN-master\images\3800883468_12af3c0b50_z.jpg
?????文件???????96266??2017-12-24?07:25??Mask_RCNN-master\images\3862500489_6fd195d183_z.jpg
............此處省略26個文件信息