Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Vision Framework 入門
Search
Motoki Narita
August 09, 2017
Technology
2
1.9k
Vision Framework 入門
potatotips #42
https://potatotips.connpass.com/event/60015/
※公開されている情報を元に構成されています
Motoki Narita
August 09, 2017
Tweet
Share
More Decks by Motoki Narita
See All by Motoki Narita
Mercari 10years iOS Development
motokiee
5
4.1k
Alexa, Swiftで スマートスピーカーは実装できる?
motokiee
0
1.7k
iOSの自動化と仕組み化 ~コードと設計に集中する~
motokiee
11
3k
入力を型で表現する
motokiee
2
3.9k
Move Fast iOS Development
motokiee
4
3.8k
結婚式を支えた技術 Firebaseを活用したサーバレスiOSアプリケーション開発
motokiee
33
25k
Lightweight Dependency Injection tips
motokiee
10
3k
Hello React Native
motokiee
8
610
RxSwift in Practice
motokiee
11
5.9k
Other Decks in Technology
See All in Technology
2025/07/22_家族アルバム みてねのCRE における生成AI活用事例
masartz
2
100
株式会社島津製作所_研究開発(集団協業と知的生産)の現場を支える、OSS知識基盤システムの導入
akahane92
1
1.1k
AI駆動開発 with MixLeap Study【大阪支部 #3】
lycorptech_jp
PRO
0
160
エンジニアリングマネージャー“お悩み相談”パネルセッション
ar_tama
1
640
DATA+AI SummitとSnowflake Summit: ユーザから見た共通点と相違点 / DATA+AI Summit and Snowflake Summit
nttcom
0
190
OpenTelemetry の Log を使いこなそう
biwashi
4
960
Data Engineering Study#30 LT資料
tetsuroito
1
550
QuickBooks®️ Customer®️ USA Contact Numbers: Complete 2025 Support Guide
qbsupportinfo
0
100
Frontier Airlines Customer®️ USA Contact Numbers: Complete 2025 Support Guide
frontierairlineswithflyagent
0
110
手動からの解放!!Strands Agents で実現する総合テスト自動化
ideaws
2
270
All About Sansan – for New Global Engineers
sansan33
PRO
1
1.2k
M365アカウント侵害時の初動対応
lhazy
5
4.4k
Featured
See All Featured
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.6k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
Adopting Sorbet at Scale
ufuk
77
9.5k
Writing Fast Ruby
sferik
628
62k
Typedesign – Prime Four
hannesfritz
42
2.7k
Faster Mobile Websites
deanohume
308
31k
Building Applications with DynamoDB
mza
95
6.5k
Testing 201, or: Great Expectations
jmmastey
43
7.6k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Transcript
7JTJPO'SBNFXPSLೖ !NPUPLJFF QPUBUPUJQT
ࣗݾհ w HJUIVC UXJUUFS!NPUPLJFF w ϝϧΧϦικJ04ΤϯδχΞ w ϝϧΧϦΧϧνʔϜ w J04%$+BQBOελοϑ
7JTJPO'SBNFXPSLͱ
$PSF.-ͱ7JTJPOͷҧ͍ʁ
ΞϓϦέʔγϣϯ 7JTJPO /-1 $PSF.- "DDFMFSBUF .14 IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΛࢀߟʹ࡞
ΞϓϦέʔγϣϯ 7JTJPO /-1 /BUVSBM-BOHVBHF1SPDFTTJOH $PSF.- "DDFMFSBUF .14 %PNBJO4QFDJpD ಛఆͷλεΫʹಛԽͨ͠ը૾ղੳͷͨΊͷϑϨʔϜϫʔΫ
ΞϓϦέʔγϣϯ 7JTJPO /-1 /BUVSBM-BOHVBHF1SPDFTTJOH $PSF.- "DDFMFSBUF .14 7JTJPOը૾ղੳʹಛԽ͍ͯ͠Δ %PNBJO4QFDJpD
ΞϓϦέʔγϣϯ 7JTJPO /-1 /BUVSBM-BOHVBHF1SPDFTTJOH $PSF.- "DDFMFSBUF .14 %PNBJO4QFDJpD 7JTJPO$PSF.-͕ϕʔεʹͳ͍ͬͯΔ
ΞϓϦέʔγϣϯ 7JTJPO /-1 /BUVSBM-BOHVBHF1SPDFTTJOH $PSF.- "DDFMFSBUF .14 %PNBJO4QFDJpD ྡΓʹ͋Δ/-1'PVOEBUJPOʹΈࠐ·Ε͍ͯͯɺ /4-JOHVJTUJD5BHHFSͳͲͰΘΕ͍ͯΔͱͷ͜ͱ
ࠓճΓ͔ͨͬͨͷɺ 7JTJPOͰόʔίʔυΛݕग़͢Δ͜ͱ
Barcode Detection IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ
w 7JTJPOΛͬͯόʔίʔυͷݕग़Λ͍ͨ͠ w ͔݁Βݴ͏ͱ7JTJPO .-&YBNQMFͱ͍͏88%$ ͷηογϣϯͰΘΕ͍ͯͨαϯϓϧΛݩʹػց ֶशͷ͕ࣝͳͯ͘͢ΜͳΓ7JTJPOಈ͔͢͜ͱ ͕Ͱ͖ͨ w ͨͩ͠ͱ͍͏Λ͢Δ
࣮ํ๏
IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ Analyzing an Image The Machinery The Results The Asks
IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ Analyzing an Image The Machinery The Results The Asks
Requests VNDetectBarcodesRequest VNDetectFaceLandmarksRequest VNDetectFaceRectanglesRequest … Observations VNClassificationObservation VNDetectedObjectObservation VNFaceObservation … RequestHandler VNImageRequestHandler
w ը૾͔ΒόʔίʔυΛݕग़ w 7/%FUFDU#BSDPEFT3FRVFTUΛͬͯɺը૾͔Β όʔίʔυΛಡΈऔΔ
Analyzing an Image The Machinery The Results The Asks Requests
VNDetectBarcodesRequest VNDetectFaceLandmarksRequest VNDetectFaceRectanglesRequest … Observations VNClassificationObservation VNDetectedObjectObservation VNFaceObservation … RequestHandler VNImageRequestHandler IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ
let handler = VNImageRequestHandler(ciImage: ciImage, orientation: orientation) try! handler.perform([barcodeClassificationRequest])
w ը૾͔Βόʔίʔυͷ*4#/ίʔυΛऔΓग़͢
Analyzing an Image The Machinery The Results The Asks Requests
VNDetectBarcodesRequest VNDetectFaceLandmarksRequest VNDetectFaceRectanglesRequest … Observations VNClassificationObservation VNDetectedObjectObservation VNFaceObservation … RequestHandler VNImageRequestHandler IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ
lazy var barcodeClassificationRequest: VNDetectBarcodesRequest = { return VNDetectBarcodesRequest(completionHandler: { request,
error in guard let observations = request.results as? [VNBarcodeObservation] else { return } let rects = observations.map { $0.boundingBox } DispatchQueue.main.async { [weak self] in for rect in rects { let view = UIView(frame: convertedRect(rect: rect, to: self!.imageView.frame.size)) view.backgroundColor = .green self?.imageView.addSubview(view) } } let _ = observations.flatMap { observation -> CIBarcodeDescriptor? in if let desc = observation.barcodeDescriptor as? CIBarcodeDescriptor { return desc } else { return nil } } }) }()
lazy var barcodeClassificationRequest: VNDetectBarcodesRequest = { return VNDetectBarcodesRequest(completionHandler: { request,
error in guard let observations = request.results as? [VNBarcodeObservation] else { return } let rects = observations.map { $0.boundingBox } DispatchQueue.main.async { [weak self] in for rect in rects { let view = UIView(frame: convertedRect(rect: rect, to: self!.imageView.frame.size)) view.backgroundColor = .green self?.imageView.addSubview(view) } } let _ = observations.flatMap { observation -> CIBarcodeDescriptor? in if let desc = observation.barcodeDescriptor as? CIBarcodeDescriptor { return desc } else { return nil } } }) }()
ͱΓ͋͑ͣͰ͖ͨ
͕ɺ
όʔίʔυ͕Ͳ͜ʹ͋Δ͔Θ͔͚ͬͨͲɺ ༰ʢ&"/ίʔυʣ͔Βͳ͔ͬͨʜ
lazy var barcodeClassificationRequest: VNDetectBarcodesRequest = { return VNDetectBarcodesRequest(completionHandler: { request,
error in guard let observations = request.results as? [VNBarcodeObservation] else { return } let rects = observations.map { $0.boundingBox } DispatchQueue.main.async { [weak self] in for rect in rects { let view = UIView(frame: convertedRect(rect: rect, to: self!.imageView.frame.size)) view.backgroundColor = .green self?.imageView.addSubview(view) } } let _ = observations.flatMap { observation -> CIBarcodeDescriptor? in if let desc = observation.barcodeDescriptor as? CIBarcodeDescriptor { return desc } else { return nil } } }) }()
w $*#BS$PEF%FTDSJQUPSͰ&"/ίʔυ͕औಘͰ͖Δ ͣɺͱࢥ͍͕ͬͯͨɺͦΜͳͷͳ͔ͬͨ w $*#BS$PEF%FTDSJQUPS/40CKFDUͷαϒΫϥεͰ ಛʹԿ࣮͞Ε͍ͯͳ͍
IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXEDΑΓ Framework Barcode Support Several frameworks support various barcodes types
AVFoundation.framework Vision.framework CoreImage.framework Detection of barcodes during capture Detection of barcodes after capture Rendering barcodes CIBarcodeDescriptor
IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFJNBHFDJCBSDPEFEFTDSJQUPS
w ࣮$*#BS$PEF%FTDSJQUPSͷαϒΫϥεʹҕͶΒ Ε͍ͯͯɺ͍·ཉ͍͠ͷ&"/ίʔυʹରԠͨ͠ ͷͳ͔ͬͨ IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFJNBHFDJCBSDPEFEFTDSJQUPS
w $*23$PEF%FTDSJQUPS w $*"[UFD$PEF%FTDSJQUPS w $*1%'$PEF%FTDSJQUPS w $*%BUB.BUSJY$PEF%FTDSJQUPS ରԠ͍ͯ͠Δ̎࣍ݩίʔυ
Framework Barcode Support Several frameworks support various barcodes types AVFoundation.framework
Vision.framework CoreImage.framework Detection of barcodes during capture Detection of barcodes after capture Rendering barcodes CIBarcodeDescriptor
·ͱΊ w 7JTJPOΛ͏ͱόʔίʔυ͕ը૾ͷதʹ͋Δͱ͍͏ ͜ͱ͔Δ w ը໘্ͷͲ͜ʹ͋Δ͔ͷ࠲ඪऔΕΔͷͰɺؤுͬ ͯ&"/ίʔυม·ͰͰ͖Δͣ w IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZ XXED
UJNF
͓ΘΓ