{"id":6221,"date":"2022-09-08T09:37:46","date_gmt":"2022-09-08T01:37:46","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=6221"},"modified":"2022-09-08T09:37:46","modified_gmt":"2022-09-08T01:37:46","slug":"sagemaker-tensorflow%e5%af%b9%e8%b1%a1%e6%a3%80%e6%b5%8b%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2022\/09\/08\/6221\/","title":{"rendered":"SageMaker TensorFlow\u5bf9\u8c61\u68c0\u6d4b\u6a21\u578b"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u63cf\u8ff0\u4e86\u5982\u4f55\u5728Amazon SageMaker\u4e2d\u4f7f\u7528TensorFlow\u5bf9\u8c61\u68c0\u6d4b\u6a21\u578bAPI\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n

\u9996\u5148\uff0c\u57fa\u4e8eAWS\u793a\u4f8b\u7b14\u8bb0\u672c\uff0c\u5c06\u89e3\u91ca\u5982\u4f55\u4f7f\u7528SageMaker\u7aef\u70b9\u5728\u5355\u4e2a\u56fe\u50cf\u4e0a\u8fd0\u884c\u6a21\u578b\u3002\u5bf9\u4e8e\u8f83\u5c0f\u7684\u56fe\u50cf\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u884c\uff0c\u4f46\u5bf9\u4e8e\u8f83\u5927\u7684\u56fe\u50cf\uff0c\u6211\u4eec\u4f1a\u9047\u5230\u95ee\u9898\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u6539\u7528\u6279\u5904\u7406\u8f6c\u6362\u4f5c\u4e1a\u3002<\/p>\n

<\/p>\n

\u8d77\u70b9\uff1a\u4f7f\u7528SageMaker TensorFLow\u5bf9\u8c61\u68c0\u6d4bAPI\u8fdb\u884c\u6a21\u578b\u63a8\u65ad<\/p>\n

AWS\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5173\u4e8eGitHub\u5982\u4f55\u4f7f\u7528SageMaker\u7684\u597d\u4f8b\u5b50\u3002<\/p>\n

\u4f7f\u7528\u6b64\u793a\u4f8b\u4f7f\u7528TensorFlow\u5bf9\u8c61\u68c0\u6d4bAPI\u5bf9\u5bf9\u8c61\u68c0\u6d4b\u6a21\u578b\u8fdb\u884c\u9884\u6d4b\uff1a<\/p>\n

\"image.png\"<\/p>\n

\u5c06\u6a21\u578b\u90e8\u7f72\u4e3a\u7aef\u70b9\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u7aef\u70b9\uff0c\u4f7f\u7528\u8be5\u6a21\u578b\u4e00\u6b21\u63a8\u65ad\u4e00\u4e2a\u56fe\u50cf\u3002\u6b64\u4ee3\u7801\u53d6\u81ea\u793a\u4f8b\u7b14\u8bb0\u672c\uff0c\u663e\u793a\u4e86\u5982\u4f55\u5b9a\u4e49TensorFlowModel\u5e76\u5c06\u5176\u90e8\u7f72\u4e3a\u6a21\u578b\u7aef\u70b9\uff1a<\/p>\n

import cv2<\/p>\n

import sagemaker<\/p>\n

from sagemaker\uff0eutils import name\uff3ffrom\uff3fbase<\/p>\n

from sagemaker\uff0etensorflow import TensorFlowModel<\/p>\n

role \uff1d sagemaker\uff0eget\uff3fexecution\uff3frole\uff08\uff09<\/p>\n

model\uff3fartefact \uff1d \uff07\uff1cyour\uff0dmodel\uff0ds3\uff0dpath\uff1e\uff07<\/p>\n

model\uff3fendpoint \uff1d TensorFlowModel\uff08<\/p>\n

name\uff1dname\uff3ffrom\uff3fbase\uff08\uff07tf2\uff0dobject\uff0ddetection\uff07\uff09\uff0c<\/p>\n

model\uff3fdata\uff1dmodel\uff3fartefact\uff0c<\/p>\n

role\uff1drole\uff0c<\/p>\n

framework\uff3fversion\uff1d\uff072\uff0e2\uff07\uff0c<\/p>\n

\uff09<\/p>\n

predictor \uff1d model\uff3fendpoint\uff0edeploy\uff08initial\uff3finstance\uff3fcount\uff1d1\uff0c instance\uff3ftype\uff1d\uff07ml\uff0em5\uff0elarge\uff07\uff09<\/p>\n

\u7136\u540e\uff0c\u5c06\u56fe\u50cf\u52a0\u8f7d\u4e3aNumPy\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u5217\u8868\uff0c\u4ee5\u4fbf\u5c06\u5176\u4f20\u9012\u7ed9\u7aef\u70b9\uff1a<\/p>\n

def image\uff3ffile\uff3fto\uff3ftensor\uff08path\uff09\uff1a<\/p>\n

cv\uff3fimg \uff1d cv2\uff0eimread\uff08path\uff0c1\uff09\uff0eastype\uff08\uff07uint8\uff07\uff09<\/p>\n

cv\uff3fimg \uff1d cv2\uff0ecvtColor\uff08cv\uff3fimg\uff0c cv2\uff0eCOLOR\uff3fBGR2RGB\uff09<\/p>\n

return cv\uff3fimg<\/p>\n

img \uff1d image\uff3ffile\uff3fto\uff3ftensor\uff08\uff07test\uff3fimages\uff0f22673445\uff0ejpg\uff07\uff09<\/p>\n

input \uff1d \uff5b<\/p>\n

\uff07instances\uff07\uff1a \uff3bimg\uff0etolist\uff08\uff09\uff3d<\/p>\n

\uff5d<\/p>\n

\u6700\u540e\uff0c\u8c03\u7528\u7aef\u70b9\uff1a<\/p>\n

detections \uff1d predictor\uff0epredict\uff08input\uff09\uff3b\uff07predictions\uff07\uff3d\uff3b0\uff3d<\/p>\n

\u95ee\u9898\uff1a\u7aef\u70b9\u8bf7\u6c42\u8d1f\u8f7d\u5927\u5c0f\u592a\u5927<\/strong><\/p>\n

\u8fd9\u5728\u4f7f\u7528\u5c0f\u56fe\u50cf\u65f6\u5f88\u597d\uff0c\u56e0\u4e3aAPI\u8c03\u7528\u7684\u8bf7\u6c42\u8d1f\u8f7d\u8db3\u591f\u5c0f\u3002\u7136\u800c\uff0c\u5f53\u4f7f\u7528\u8f83\u5927\u7684\u56fe\u7247\u65f6\uff0cAPI\u8fd4\u56de413\u9519\u8bef\u3002\u8fd9\u610f\u5473\u7740\u6709\u6548\u8d1f\u8f7d\u8d85\u8fc7\u4e86\u5141\u8bb8\u7684\u5927\u5c0f\uff0c\u53736 MB\u3002<\/p>\n

\u5f53\u7136\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8c03\u7528\u7aef\u70b9\u4e4b\u524d\u8c03\u6574\u56fe\u50cf\u7684\u5927\u5c0f\uff0c\u4f46\u6211\u60f3\u4f7f\u7528\u6279\u5904\u7406\u8f6c\u6362\u4f5c\u4e1a\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a\u6539\u7528\u6279\u5904\u7406\u8f6c\u6362\u4f5c\u4e1a<\/p>\n

\u4f7f\u7528SageMaker\u6279\u91cf\u8f6c\u6362\u4f5c\u4e1a\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u6700\u5927\u8d1f\u8f7d\u5927\u5c0f\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u4e0d\u4f1a\u9047\u5230413\u4e2a\u9519\u8bef\u3002\u5176\u6b21\uff0c\u8fd9\u4e9b\u4f5c\u4e1a\u53ef\u7528\u4e8e\u4e00\u6b21\u6027\u5904\u7406\u5168\u5957\u56fe\u50cf\u3002<\/p>\n

\u56fe\u50cf\u9700\u8981\u5b58\u50a8\u5728S3\u5b58\u50a8\u6876\u4e2d\u3002\u6240\u6709\u56fe\u50cf\u90fd\u4ee5\u6279\u5904\u7406\u6a21\u5f0f\uff08\u540d\u79f0\u4e2d\u7684\u5185\u5bb9\uff09\u8fdb\u884c\u5904\u7406\uff0c\u9884\u6d4b\u4e5f\u5b58\u50a8\u5728S3\u4e0a\u3002<\/p>\n

\u4e3a\u4e86\u4f7f\u7528\u6279\u5904\u7406\u8f6c\u6362\u4f5c\u4e1a\uff0c\u6211\u4eec\u518d\u6b21\u5b9a\u4e49\u4e86TensorFlowModel\uff0c\u4f46\u8fd9\u6b21\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u5165\u53e3\u70b9\u548c\u6e90\u76ee\u5f55\uff1a<\/p>\n

model\uff3fbatch \uff1d TensorFlowModel\uff08<\/p>\n

name\uff1dname\uff3ffrom\uff3fbase\uff08\uff07tf2\uff0dobject\uff0ddetection\uff07\uff09\uff0c<\/p>\n

model\uff3fdata\uff1dmodel\uff3fartifact\uff0c<\/p>\n

role\uff1drole\uff0c<\/p>\n

framework\uff3fversion\uff1d\uff072\uff0e2\uff07\uff0c<\/p>\n

entry\uff3fpoint\uff1d\uff07inference\uff0epy\uff07\uff0c<\/p>\n

source\uff3fdir\uff1d\uff07\uff0e\uff07\uff0c<\/p>\n

\uff09<\/p>\n

inference\uff0epy\u4ee3\u7801\u8f6c\u6362\u6a21\u578b\u7684\u8f93\u5165\u548c\u8f93\u51fa\u6570\u636e\uff0c\u5982\u6587\u6863\u4e2d\u6240\u8ff0\u3002\u6b64\u4ee3\u7801\u9700\u8981\u5c06\u8bf7\u6c42\u8d1f\u8f7d\uff08\u56fe\u50cf\uff09\u66f4\u6539\u4e3aNumPy\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u5217\u8868\u5bf9\u8c61\u3002<\/p>\n

\u4ece\u8fd9\u4e2a\u793a\u4f8b\u5f00\u59cb\uff0c\u6211\u66f4\u6539\u4e86\u4ee3\u7801\uff0c\u4f7f\u5176\u52a0\u8f7d\u56fe\u50cf\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aNumPy\u6570\u7ec4\u3002inference\uff0epy\u4e2dinput\uff3fhandler\u51fd\u6570\u66f4\u6539\u4e3a\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

import io<\/p>\n

import json<\/p>\n

import numpy as np<\/p>\n

from PIL import Image<\/p>\n

def input\uff3fhandler\uff08data\uff0c context\uff09\uff1a<\/p>\n

\uff02\uff02\uff02 Pre\uff0dprocess request input before it is sent to TensorFlow Serving REST API<\/p>\n

Args\uff1a<\/p>\n

data \uff08obj\uff09\uff1a the request data\uff0c in format of dict or string<\/p>\n

context \uff08Context\uff09\uff1a an object containing request and configuration details<\/p>\n

Returns\uff1a<\/p>\n

\uff08dict\uff09\uff1a a JSON\uff0dserializable dict that contains request body and headers<\/p>\n

\uff02\uff02\uff02<\/p>\n

if context\uff0erequest\uff3fcontent\uff3ftype \uff1d\uff1d \uff02application\uff0fx\uff0dimage\uff02\uff1a<\/p>\n

payload \uff1d data\uff0eread\uff08\uff09
\nimage \uff1d Image\uff0eopen\uff08io\uff0eBytesIO\uff08payload\uff09\uff09
\narray \uff1d np\uff0easarray\uff08image\uff09
\nreturn json\uff0edumps\uff08\uff5b\uff07instances\uff07\uff1a \uff3barray\uff0etolist\uff08\uff09\uff3d\uff5d\uff09
\nraise ValueError\uff08\uff07\uff5b\uff5b\uff02error\uff02\uff1a \uff02unsupported content type \uff5b\uff5d\uff02\uff5d\uff5d\uff07\uff0eformat\uff08
\ncontext\uff0erequest\uff3fcontent\uff3ftype or \uff02unknown\uff02\uff09\uff09<\/p>\n

\u6ce8\u610f\uff0c\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\u6392\u9664\u4e86output\uff3fhandler\u51fd\u6570\u3002<\/p>\n

\u6b64\u51fd\u6570\u9700\u8981Python\u5305NumPy\u548cPillow\uff0c\u5b83\u4eec\u672a\u5b89\u88c5\u5728\u8fd0\u884c\u6279\u5904\u7406\u63a8\u65ad\u4f5c\u4e1a\u7684\u673a\u5668\u4e0a\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u81ea\u5df1\u7684\u955c\u50cf\u5e76\u4f7f\u7528\u8be5\u955c\u50cf\uff08\u5728TensorFlowModel\u5bf9\u8c61\u521d\u59cb\u5316\u65f6\u4f7f\u7528image\uff3furi\u5173\u952e\u5b57\uff09\u3002<\/p>\n

\u4e5f\u53ef\u4ee5\u63d0\u4f9brequirements\uff0etxt\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u7b14\u8bb0\u672c\u6240\u5728\u7684\u6587\u4ef6\u5939\u4e2d\uff08\u79f0\u4e3asource\uff3fdir\uff1d\u201c\uff0e\u201d\uff09\u3002\u8be5\u6587\u4ef6\u5728\u955c\u50cf\u5f15\u5bfc\u671f\u95f4\u7528\u4e8e\u4f7f\u7528pip\u5b89\u88c5\u6240\u9700\u7684\u5305\u3002\u5185\u5bb9\u4e3a\uff1a<\/p>\n

numpy<\/p>\n

pillow<\/p>\n

\u9996\u5148\uff0c\u60f3\u4f7f\u7528OpenCV\uff08\u5c31\u50cf\u5728endpoint\u793a\u4f8b\u4e2d\u4e00\u6837\uff09\uff0c\u4f46\u8be5\u8f6f\u4ef6\u5305\u4e0d\u592a\u5bb9\u6613\u5b89\u88c5\u3002<\/p>\n

\u6211\u4eec\u73b0\u5728\u4f7f\u7528\u6a21\u578b\u521b\u5efatransformer\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u5c06\u6a21\u578b\u90e8\u7f72\u4e3a\u6a21\u578b\u7aef\u70b9\uff1a<\/p>\n

input\uff3fpath \uff1d \uff02s3\uff1a\uff0f\uff0fbucket\uff0finput\uff02<\/p>\n

output\uff3fpath \uff1d \uff02s3\uff1a\uff0f\uff0fbucket\uff0foutput\uff02<\/p>\n

tensorflow\uff3fserving\uff3ftransformer \uff1d model\uff3fbatch\uff0etransformer\uff08<\/p>\n

instance\uff3fcount\uff1d1\uff0c<\/p>\n

instance\uff3ftype\uff1d\uff02ml\uff0em5\uff0elarge\uff02\uff0c<\/p>\n

max\uff3fconcurrent\uff3ftransforms\uff1d1\uff0c<\/p>\n

max\uff3fpayload\uff1d5\uff0c<\/p>\n

output\uff3fpath\uff1doutput\uff3fpath\uff0c<\/p>\n

\uff09<\/p>\n

\u6700\u540e\uff0c\u4f7f\u7528transform\uff1a<\/p>\n

tensorflow\uff3fserving\uff3ftransformer\uff0etransform\uff08<\/p>\n

input\uff3fpath\uff0c<\/p>\n

content\uff3ftype\uff1d\uff02application\uff0fx\uff0dimage\uff02\uff0c<\/p>\n

\uff09<\/p>\n

\u56fe\u50cf\u7531\u6a21\u578b\u5904\u7406\uff0c\u7ed3\u679c\u5c06\u4f5c\u4e3aJSON\u6587\u4ef6\u6700\u7ec8\u5728output\uff3fpath bucket\u4e2d\u3002\u547d\u540d\u7b49\u4e8e\u8f93\u5165\u6587\u4ef6\u540d\uff0c\u540e\u8ddf\uff0eout\u6269\u5c55\u540d\u3002\u4f60\u8fd8\u53ef\u4ee5\u8c03\u6574\u548c\u4f18\u5316\u5b9e\u4f8b\u7c7b\u578b\u3001\u6700\u5927\u8d1f\u8f7d\u7b49\u3002<\/p>\n

\u6700\u540e<\/strong><\/p>\n

\u8fd9\u5f88\u53ef\u80fd\u4e0d\u662f\u6700\u5177\u6210\u672c\u6548\u76ca\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u6211\u4eec\u5c06\u56fe\u50cf\u4f5c\u4e3aNumPy\u6570\u7ec4\u4f20\u9012\u7ed9\u8f6c\u6362\u5668\u3002<\/p>\n

\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u5728inference\uff0epy\u4e2d\u8c03\u6574output\uff3fhandler\u51fd\u6570\u538b\u7f29\u5e76\u5b58\u50a8\u5728S3\u4e0a\u7684JSON\uff0c\u6216\u4ec5\u8fd4\u56de\u76f8\u5173\u68c0\u6d4b\u3002<\/p>\n

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<\/div>\n","protected":false},"excerpt":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u63cf\u8ff0\u4e86\u5982\u4f55\u5728Amazon SageMaker\u4e2d\u4f7f\u7528TensorFlow\u5bf9\u8c61\u68c0\u6d4b\u6a21\u578bAPI\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002 […]<\/p>\n

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<\/div>\n","protected":false},"author":56,"featured_media":6223,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,17,80,7,11],"tags":[167,168,169],"class_list":["post-6221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","category-17","category-80","category-7","category-11","tag-amazonsagemaker","tag-tensorflow","tag-api"],"_links":{"self":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/6221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/comments?post=6221"}],"version-history":[{"count":1,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/6221\/revisions"}],"predecessor-version":[{"id":6224,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/6221\/revisions\/6224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media\/6223"}],"wp:attachment":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media?parent=6221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/categories?post=6221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/tags?post=6221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}