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差分検出アルゴリズム三種盛り - Object.create(null)
ã“ã‚“ã°ã‚“ã¯. æ°—ãŒã¤ã‘ã°ã‚‚ã†ãšã„ã¶ã‚“ã¨æ¶¼ã—ããªã£ã¦ãã¾ã—ãŸ. å‹¢ã„ä½™ã£ã¦å‡ã£ã¦ã—ã¾ã£ãŸã‚Šã›ã¬ã‚ˆã†, ãã‚Œãれも普段ã®è¨€å‹•ã«ã¯ãŠæ°—ã‚’ã¤ã‘ãã ã•ã„. ã¯ã˜ã‚ã« ã•ã¦, 我々人類ã«ã¯ã©ã†ã—ã¦ã‚‚二ã¤ã®æ–‡å—列 (ã‚ã‚‹ã„ã¯è¡Œã”ã¨ã«åŒºåˆ‡ã‚‰ã‚ŒãŸãƒ†ã‚スト) é–“ã®å·®åˆ†ã‚’求ã‚ãªã‘ã‚Œã°ã„ã‘ãªã„瞬間ãŒç™ºç”Ÿã—ã¾ã™. 先人ãŸã¡ã¯ãã†ã„ã£ãŸæ™‚ã®ãŸã‚ã« diff ã®ã‚ˆã†ãªãƒ„ールを開発ã—, ãれを利用ã™ã‚‹ã“ã¨ã§æ–‡æ˜Žã¯ã‚ã–ã¾ã—ã„発展をé‚ã’ã¦ãã¾ã—ãŸ. ã—ã‹ã—ãªãŒã‚‰, 使用ã™ã‚‹ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ を比較検討ã—ãŸã„å ´åˆ, 「差分ã€ã®å®šç¾©ã‚’変ãˆã‚‹ãªã©ã—ã¦æ—¢å˜ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«å¤‰æ›´ã‚’åŠ ãˆãŸã„å ´åˆ, diff ã®ãªã„異世界ã«é£›ã°ã•ã‚Œã¦è‡ªåˆ†ã§å®Ÿè£…ã—ãªã‘ã‚Œã°ã„ã‘ãªã„時ãªã©ã«ãŠã„ã¦ã¯, 差分検出アルゴリズムã«ã¤ã„ã¦ã®ç†è§£ãŒå¿…è¦ä¸å¯æ¬ ã§ã™. ã¨ã„ã†ã‚ã‘ã§, ã“ã®è¨˜äº‹ã§ã¯æ–‡å—列間ã®å·®åˆ†æ¤œå‡ºã¨ã¯ä½•ã‹ã¨ã„ã†ã“ã¨ã¨, 差分を求ã‚る三種類ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®ç´¹ä»‹ãƒ»è§£èª¬
An investigation of fast real-time GPU-based image blur algorithms
In this blog post I'm going to start exploring the topic of blur filters. My original intention was to… -   Provide an overview and optimization ideas for a few of the popular real time image blur filters, applicable on very different range of hardware (from sub-4W mobile device GPUs to high end 250W+ desktop GPUs). -   Give an example of the techniques that runs on Windows Desktop OpenGL and An
定番アルゴリズム本リスト - カレーãªã‚‹è¾›å£JavaãªåŠ 齢日記
ã©ã†ã›ä½•åº¦ã‚‚使ã„回ã—ã—ãã†ãªã®ã§ï¼Œç‹¬ç«‹ã—ãŸé …ç›®ã«åˆ‡ã‚Šé›¢ã—ãŸï¼Ž アルゴリズムイントãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ 第3版 第1å·»: åŸºç¤Žãƒ»ã‚½ãƒ¼ãƒˆãƒ»ãƒ‡ãƒ¼ã‚¿æ§‹é€ ãƒ»æ•°å¦ (世界標準MIT教科書) 作者: T.コルメン,R.リベスト,C.シュタイン,C.ライザーソン,浅野哲夫,岩野和生,梅尾åšå¸,山下雅å²,和田幸一出版社/メーカー: 近代科å¦ç¤¾ç™ºå£²æ—¥: 2012/08/02メディア: å˜è¡Œæœ¬è³¼å…¥: 1人 クリック: 16回ã“ã®å•†å“ã‚’å«ã‚€ãƒ–ãƒã‚° (21件) を見るアルゴリズムイントãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ 第3版 第2å·»: 高度ãªè¨è¨ˆã¨è§£æžæ‰‹æ³•ãƒ»é«˜åº¦ãªãƒ‡ãƒ¼ã‚¿æ§‹é€ ・グラフアルゴリズム(世界標準MIT教科書) 作者: T.コルメン,R.リベスト,C.シュタイン,C.ライザーソン,浅野哲夫,岩野和生,梅尾åšå¸,山下雅å²,和田幸一出版社/メーカー: 近代科å¦ç¤¾ç™ºå£²æ—¥: 2012/12/26メディア: å˜è¡Œæœ¬è³¼å…¥: 1人 クリック: 4回
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アルゴリズム・ゲームAI・インフラ・データマイニング・セã‚ュリティã®ã‚³ãƒ³ãƒ†ã‚¹ãƒˆã¨ã€ãã®ã¯ã˜ã‚ã‹ãŸã‚’紹介ã—ã¦ã„ãã¾ã™ã€‚
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ゲームAI -基礎編- 『知è˜è¡¨ç¾ã¨å½±éŸ¿ãƒžãƒƒãƒ—ã€
ã¿ãªã•ã‚“ã€ã“ã‚“ã«ã¡ã¯! çªç„¶ã§ã™ãŒâ€¦çš†ã•ã‚“ã«ã¯ã€ã²ã„ãã«ã—ã¦ã„ã‚‹ ゲームã®ã‚ャラクターã¯ã„らã£ã—ゃã„ã¾ã™ã§ã—ょã†ã‹ã€‚ 手ã”ã‚ã„ãƒœã‚¹æ•µã‚„é ¼ã‚Œã‚‹ãƒ‘ãƒ¼ãƒˆãƒŠãƒ¼ã€æ„›å¬Œã®ã‚ã‚‹å‹•ãã‚’ã™ã‚‹ãƒ¢ãƒ³ã‚¹ã‚¿ãƒ¼é”㯠一体ã©ã®ã‚ˆã†ãªä»•çµ„ã¿ã§å‹•ã„ã¦ã„ã‚‹ã®ã§ã—ょã†ï¼Ÿ 今回ã®è¨˜äº‹ã§ã¯ãã‚“ãªã‚²ãƒ¼ãƒ ã®ä¸ã®ã‚ャラクターé”ã‚’ é…力的ã«å‹•ã‹ã™ä»•çµ„ã¿ã€AIã«ã¤ã„ã¦å¾¡ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ 改ã‚ã¾ã—ã¦æœ¬è¨˜äº‹ã‚’担当ã•ã›ã¦é ‚ãã¾ã™ã€Cygamesエンジニアã®ä½è—¤ã§ã™ã€‚ ã“ã‚Œã¾ã§ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒžæ©Ÿã§ã®ã‚²ãƒ¼ãƒ AI開発ã«æºã‚り〠ゲームãªã‚‰ã§ã¯ã®ã‚ャラクター表ç¾ã®æ¥½ã—ã•ã‚’追ã„ã‹ã‘ã¦ãã¾ã—ãŸã€‚ ã“ã®ãƒ–ãƒã‚°ã‚’通ã˜ã¦ã€çš†ã•ã‚“ã®ã‚²ãƒ¼ãƒ ã®ã‚ャラクターを より表情豊ã‹ã«é…力的ãªã‚‚ã®ã«ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦ã€çš†ã•ã‚“ã¨ä¸€ç·’ã«è€ƒãˆã¦ã„ã‘ã‚Œã°å¹¸ã„ã§ã™ã€‚ 今回ã¯ã‚²ãƒ¼ãƒ ã®AIをデザインã™ã‚‹ã«ã‚ãŸã£ã¦é‡è¦ã¨ãªã‚‹ã€ 「知è˜è¡¨ç¾ã‚’定義ã™ã‚‹ã€ã¨ã„ã†ã‚¹ãƒ†ãƒƒãƒ—ã¨ã€ 知è˜è¡¨ç¾ã®ä¸€ã¤ã§ã‚る影響マッ
The Art of PNG Glitch
Overview PNG is an image format that has a history of development beginning in 1995, and it is still a popular, long living format. Generally, it is known for its features such as lossless compression and the ability to handle transparent pixels. However, we do not look at image formats from a general point of view, but rather think of ways to glitch them. When we look at PNG from the point of vie
Visualizing Algorithms
The power of the unaided mind is highly overrated… The real powers come from devising external aids that enhance cognitive abilities. —Donald Norman Algorithms are a fascinating use case for visualization. To visualize an algorithm, we don’t merely fit data to a chart; there is no primary dataset. Instead there are logical rules that describe behavior. This may be why algorithm visualizations are
サービス終了ã®ãŠçŸ¥ã‚‰ã›
サービス終了ã®ãŠçŸ¥ã‚‰ã› ã„ã¤ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“スをã”利用ã„ãŸã ãèª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ãŠå®¢æ§˜ãŒã‚¢ã‚¯ã‚»ã‚¹ã•ã‚ŒãŸã‚µãƒ¼ãƒ“スã¯æœ¬æ—¥ã¾ã§ã«ã‚µãƒ¼ãƒ“スを終了ã„ãŸã—ã¾ã—ãŸã€‚ 今後ã¨ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“スをã”愛顧ãã ã•ã„ã¾ã™ã‚ˆã†ã€ã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
パーリンノイズをç†è§£ã™ã‚‹ | POSTD
ã“ã®è¨˜äº‹ã®ç›®çš„ã¯Ken Perlinã®æ”¹è‰¯ãƒ‘ーリンノイズを分ã‹ã‚Šã‚„ã™ã分æžã—ã€ãŠä¼ãˆã™ã‚‹ã“ã¨ã§ã™ã€‚記事内ã®ã‚³ãƒ¼ãƒ‰ã¯C#ã§æ›¸ã‹ã‚Œã¦ãŠã‚Šã€è‡ªç”±ã«ã”利用ã„ãŸã ã‘ã¾ã™ã€‚最終形ã®ã¿ã‚’見ãŸã„æ–¹ã¯ã€ã“ã¡ã‚‰ã‹ã‚‰æœ€çµ‚çš„ãªã‚½ãƒ¼ã‚¹ã‚’ã”確èªãã ã•ã„。 パーリンノイズã¯æ‰‹ç¶šãçš„ãªã‚³ãƒ³ãƒ†ãƒ³ãƒ„生æˆã«ã‚ˆã使ã‚れるã€éžå¸¸ã«å¼·åŠ›ãªã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã™ã€‚ゲームやã€æ˜ ç”»ãªã©ã®è¦–覚媒体ã«ç‰¹ã«æœ‰ç”¨ã§ã™ã€‚パーリンノイズã®é–‹ç™ºè€…ã§ã‚ã‚‹Ken Perlinã¯ã€ã“ã®æœ€åˆã®å®Ÿè£…ã§ã‚¢ã‚«ãƒ‡ãƒŸãƒ¼è³žã‚’å—賞ã—ã¾ã—ãŸã€‚å½¼ãŒ2002å¹´ã«ç™ºè¡¨ã—ãŸæ”¹è‰¯ãƒ‘ーリンノイズã«ã¤ã„ã¦ã€ç§ã¯ã“ã®è¨˜äº‹ã§æŽ˜ã‚Šä¸‹ã’ã¦ã„ãã¾ã™ã€‚パーリンノイズã¯ã€ã‚²ãƒ¼ãƒ 開発ã«ãŠã„ã¦ã¯ã€æ³¢å½¢ã®é¡žã‚„ã€èµ·ä¼ã®ã‚ã‚‹ç´ æã€ãƒ†ã‚¯ã‚¹ãƒãƒ£ãªã©ã«æœ‰ç”¨ã§ã™ã€‚例ãˆã°æ‰‹ç¶šãåž‹ã®åœ°å½¢ï¼ˆMinecraftã®ã‚ˆã†ãªåœ°å½¢ã¯ãƒ‘ーリンノイズã§ç”Ÿæˆã§ãã¾ã™ï¼‰ã€ç‚Žã®ã‚¨ãƒ•ã‚§ã‚¯ãƒˆã€æ°´ã€é›²ãªã©ã«ã‚‚使ãˆã¾ã™ã€‚ã“れらã®ã‚¨ãƒ•ã‚§ã‚¯ãƒˆã®ã»ã¨ã‚“ã©ãŒ2次元ã€3
Fastest Gaussian Blur (in linear time)
I needed a really fast Gaussian blur for one of my projects. After hours of struggling and browsing the internet, I finally found the best solution. Beginning My solution is based on Fast image convolutions by Wojciech Jarosz. Presented ideas are very simple and I don't know who is the original author. I am going to describe it a little better and add some mathematics. To get motivated, take a gla
Lens Correction / Distortion
The following describes how to transform a standard lens distorted image into what one would get with a perfect perspective projection (pin-hole camera). Alternatively it can be used to turn a perspective projection into what one would get with a lens. To illustrate the type of distortion involved consider a reference grid, with a 35mm lens it would look something line the image on the left, a tra
Big-O Algorithm Complexity Cheat Sheet (Know Thy Complexities!) @ericdrowell
Hi there! This webpage covers the space and time Big-O complexities of common algorithms used in Computer Science. When preparing for technical interviews in the past, I found myself spending hours crawling the internet putting together the best, average, and worst case complexities for search and sorting algorithms so that I wouldn't be stumped when asked about them. Over the last few years, I
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Maze Algorithms
https://false.jp/motion/
http://spheresofa.net/blog/?p=1044
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How to Dance with a Tree: Visualizing Fractals With Dance
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