Upgrade to Pro — share decks privately, control downloads, hide ads and more …

potatotips 27

Avatar for Takeru Chuganji Takeru Chuganji
September 28, 2016
Technology
0
79

potatotips 27

Avatar for Takeru Chuganji

Takeru Chuganji

September 28, 2016
Tweet

More Decks by Takeru Chuganji

See All by Takeru Chuganji
React Native Matsuri 2021
Avatar for Takeru Chuganji chuganzy
7
11k
iOSDC 2017
Avatar for Takeru Chuganji chuganzy
5
4k

Other Decks in Technology

See All in Technology
JAWS DAYS 2026 楽しく学ぼう！ストレージ 入門
Avatar for Yoshiki Fujiwara yoshiki0705
2
150
OCHaCafe S11 #2 コンテナ時代の次の一手：Wasm 最前線
Avatar for oracle4engineer oracle4engineer
PRO
1
110
楽しく学ぼう！コミュニティ入門 AWSと人が つむいできたストーリー
Avatar for hiroramos hiroramos4
PRO
1
190
事例に見るスマートファクトリーへの道筋〜工場データをAI Readyにする実践ステップ〜
Avatar for 濱田孝治 hamadakoji
1
290
Claude Codeの進化と各機能の活かし方
Avatar for Oikon oikon48
22
12k
AIエージェント時代に備える AWS Organizations とアカウント設計
Avatar for Hajime KOSHIRO kossykinto
3
770
マルチプレーンGPUネットワークを実現するシャッフルアーキテクチャの整理と考察
Avatar for Masayuki Kobayashi markunet
2
240
Claude Codeが爆速進化してプラグイン追従がつらいので半自動化した話 ver.2
Avatar for ryu rfdnxbro
0
500
聲の形にみるアクセシビリティ
Avatar for tomokusaba tomokusaba
0
170
[E2]CCoEはAI指揮官へ。Bedrock×MCPで構築するコスト・セキュリティ自律運用基盤
Avatar for ishii-takuya taku1418
0
130
Claude Code のコード品質がばらつくので AI に品質保証させる仕組みを作った話 / A story about building a mechanism to have AI ensure quality, because the code quality from Claude Code was inconsistent
Avatar for nrs nrslib
13
6.4k
2026-03-11 JAWS-UG 茨城 #12 改めてALBを便利に使う
Avatar for SUZUKI Masashi masasuzu
2
360

Featured

See All Featured
Prompt Engineering for Job Search
Avatar for Mfonobong Umondia mfonobong
0
180
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
249
1.3M
SEO for Brand Visibility & Recognition
Avatar for Aleyda Solis aleyda
0
4.3k
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
Avatar for Sophie Logan marketingsoph
0
110
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
52
3.6k
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
Avatar for Aleyda Solis aleyda
1
1.9k
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
Avatar for Rebecca Miller-Webster rmw
35
3.4k
From π to Pie charts
Avatar for Rasagy Sharma rasagy
0
150
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
780
AI: The stuff that nobody shows you
Avatar for John Nunemaker jnunemaker
PRO
3
370
Applied NLP in the Age of Generative AI
Avatar for Ines Montani inesmontani
PRO
4
2.2k

Transcript

  1. WebP͸΋͏࣌୅஗Ε!?! ৽͍͠ը૾ܗࣜ”BPG”Λࢼͯ͠Έͨ

  2. None

  3. Better Portable Graphics • ༰ྔ͕খׂ͍͞ʹߴ඼࣭ • ՄٯѹॖϞʔυ΋αϙʔτ • ϒϥ΢β൛΋ެ͕ࣜαϙʔτʢJSೖΕΔ͚ͩʣ •

    ΞχϝʔγϣϯΛαϙʔτ

  4. — Gigazine “JPEGը૾ͷ໿൒෼ͷϑΝΠϧαΠζͰ ಉ඼࣭ͷ΋ͷΛදࣔͰ͖Δը૾ܗࣜ”

  5. BPG vs PNG / JPEG / WebP http://xooyoozoo.github.io/yolo-octo-bugfixes/

  6. ҹ৅ • ϒϩοΫϊΠζ͕໨ཱͨͳ͍ʢ׈Β͔ʹͳΔʣ • αΠζ͕খ͘͞ͳͬͯ΋඼࣭͕མͪʹ͍͘ • …͍͢͝🎉

  7. $ brew install libbpg Τϯίʔμ / σίʔμΛΠϯετʔϧ

  8. $ bpgenc infile.[jpg|png] BPG΁ͷม׵

  9. $ bpgdec infile.bpg BPG͔Βͷม׵

  10. iOSͰͷσίʔυ ϥΠϒϥϦ࡞Γ·ͨ͠🚀

  11. https://github.com/chuganzy/HCImage-BPG

  12. HCImage+BPG • macOS / iOSΛαϙʔτ • Carthage / CocoaPodsͰಋೖՄೳ •

    Ξχϝʔγϣϯαϙʔτ

  13. HCImage+BPG

  14. WebPͱσίʔυ࣌ؒͷൺֱ💥

  15. None

  16. BPG 1136 × 818 | 13.6KB

  17. WebP 1136 × 818 | 13.3KB

  18. σίʔυ࣌ؒൺֱ • WebP: 0.7226 / BPG: 2.8070͋ • σίʔυ͸஗͍😂 •

    നঢ়͢ΔͱΤϯίʔυ΋஗͍

  19. ޲͍͍ͯΔͱ͜Ζ • ճઢ͕ͱʹ͔͘஗͍ • ͖Ε͍ͳը૾Λද͍ࣔͨ͠ • σίʔυΛසൟʹ͠ͳͯ͘Α͍

  20. ࠾༻ࣄྫ

  21. …ݟ͔ͭΒͳ͔ͬͨ😢 ࢖ͬͯΔΞϓϦ͸͋Δͷ͔΋ʁ

  22. “Some of the HEVC algorithms may be protected by patents

    in some countries.” BPG͕HEVCͷಛڐΛ࢖༻͍ͯ͠ΔՄೳੑ͕͋Γ ར༻͢Δͱ͖͸৭ʑؾΛ͚ͭͳ͍ͱ͍͚ͳ͍

  23. — LWN.net “ٕज़తʹJPEGΑΓ༏Ε͍ͯΔ͕ JPEGͷ୅ΘΓʹͳΔՄೳੑ͸௿͍ͩΖ͏”

  24. 😩

  25. • BPG͸ؒҧ͍ͳ͘ૉ੖Β͍͠ϑΥʔϚοτ🚀 • iOSͰ΋؆୯ʹ࢖͑ΔΑ͏ʹͨ͠🙋 • ࢖ͬͯΈ͚ͨͲσίʔυ͸݁ߏ஗͍😂 • ಛڐؔ܎ʹؾΛ͚ͭΔඞཁ͕͋Δ🙄 • ࣮ઓ౤ೖʹ͸·ͩ৭ʑͱૣ͗͢Δ͔΋💧

    ·ͱΊ