ããžã¿ã«ã€ã¡ãŒãžã³ã°ã®äžçãé²åãç¶ããäžãé«ç»è³ªãªããžã¥ã¢ã«ã³ã³ãã³ãã®éèŠã¯æ¥éã«é«ãŸã£ãŠããŸããããã§æ³šç®ãããã®ããstable diffusionã® ã¢ããã¹ã±ãŒã«æ©èœãã§ãããã®é©æ°çãªæè¡ã¯ãããžãã¹ããŒãœã³ãã¡ãæ±ãããµãŒãã¹ããããã¯ãã®èŠæ ããå€§å¹ ã«åäžãããå¯èœæ§ããããŸããæ¬èšäºã§ã¯ããã®ã¢ããã¹ã±ãŒãªã³ã°ã®åºæ¬æŠå¿µããå ·äœçãªå¿çšäŸãããã«ã¯æé©åãšã¢ããã¹ã±ãŒãªã³ã°ãžãè¡ãå ·äœçãªæ¹æ³ããããããã解説ããŠããŸããã©ã®ãããªæé ã§å ·äœçã«é²ããŠããã°è¯ããããããªãæ¹ãžã®ãã³ãããããããããšæããŸãããã®èšäºã§ã¯ãç»åå質ãè¿œæ±ãããããã人ã«ãšãŠã圹ã«ç«ã€æ å ±ã ãšæããŸãã
1. stable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœãšã¯
stable diffusionã® ã¢ããã¹ã±ãŒã«æ©èœã¯ãããžã¿ã«ç»åã®è§£å床ãåäžãããæè¡ã®äžã€ã§ããç¬ç¹ã®ã¢ã«ãŽãªãºã ãçšããŠãå ã®ç»åã®è³ªãã§ããéãä¿æããªãããããé®®æã§çŽ°éšãŸã§ã¯ãªã¢ã«èŠããç»åãçæããŸãããã®ããã»ã¹ã¯ãç¹ã«äœè§£å床ã®ç»åããã¯ã»ã«ãèãç»åã«åœ¹ç«ã¡ãŸãã
éåžžãJPGãGIFãPNGã«ä»£è¡šãããããããããç»åã¯äžå¯éå§çž®ãšåŒã°ããå§çž®åœ¢åŒã§å§çž®ãããŠãããããå ã®ãµã€ãºããã倧ããªãµã€ãºãžå€æŽãããšãç»åãèããªã£ãããã¢ã¶ã€ã¯ç¶ã«ãªã£ãŠããŸãç¹æ§ããããŸããããã§ãã®ç»åã®èããã¢ã¶ã€ã¯ç¶ã«ãªã£ãŠããŸãéšåãAIãè£æ£ããæè¡ãšããŠãstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã泚ç®ãããŠããããã§ãã
éåžžãäžå¯éå§çž®åœ¢åŒã§å§çž®ãããŠããç»åãããã«è§£å床ãé«ãæ¡å€§ãããšã©ãããŠããã®ç»åã®ã¯ãªãªãã£ã«åœ±é¿ãåºãŠããŸããŸããäŸãã°ãå€ãã«ã¡ã©ã§æ®ãããåçãã¹ãã£ã³ããŒã¿ãããªããããããããéåžžã«è§£å床ãäœãã«ãé¢ããããé«ç²ŸçŽ°ãªãã¹ã¿ãŒãçæ¿ã«æµçšããããšããŠããå ã»ã©ãã解説ããŠããéãããã®ç»åã¯ããããã¢ã¶ã€ã¯ç¶ã«ãªãããªãã®ç»åãå€å¥ã§ããªããªãã§ãããã
ããã§ç»å Žããã®ãstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã§ãããããã®ã¢ããã¹ã±ãŒã«ãããç»åã¯ãå ã®ç»åã®éçãè¶ ããŠãããžã¥ã¢ã«ã³ã³ãã³ããããåŒã蟌ããã®ã«å€ããŸããããã®åç家ããã°ã©ãã£ãã¯ãã¶ã€ããŒããŠã§ãéçºè ãŸã§ãå¹ åºãåéã§å©çšããããã®æ©èœã¯ãç»åç·šéå·¥çšã«ãããŠéèŠãªåœ¹å²ãæãããŠããŸãã
1.1 ã¢ããã¹ã±ãŒã«ã®åºæ¬æŠå¿µ
ã¢ããã¹ã±ãŒã«ã¯ãå ã®ç»åãµã€ãºã倧ããããããã»ã¹ã§ããããã«ããç»åã®ãã¯ã»ã«æ°ãå¢ããããšãã§ããçµæãšããŠç»é¢äžã§ã®è¡šç€ºã倧ãããªããŸãããã®ããã»ã¹ã¯ç»åã®è§£å床ãåäžãããããã«ã䜿ãããŸãããåçŽã«ãã¯ã»ã«ãå¢ããã ãã§ã¯ãªããç»åã®ã¯ãªãªãã£ãç¶æããŸãã¯åäžãããããšãã§ããŸãã
é«å質ãªã¢ããã¹ã±ãŒã«ãè¡ãã«ã¯ããã®ã¢ã«ãŽãªãºã ãéåžžã«éèŠã§ããAIã«ããããã®è€éãªã¢ã«ãŽãªãºã åŠçãè¡ãããšã§ããã¯ã»ã«ã®éãåãããªãããã§èªç¶ãªç»åãçæããŸãããã®ã¢ããã¹ã±ãŒã«æè¡ã«ã¯ãç·åœ¢è£éãæè¿åè£éãªã©ãããŸããŸãªæ¹æ³ãååšããŸãããstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯ããããåé§ãã粟床ãæã£ãŠããŸãã
ã¢ããã¹ã±ãŒã«ãç解ããäžã§éèŠãªç¹ã¯ãå ã®ç»åã®å質ãã¢ããã¹ã±ãŒã«åŸã®çµæã«å€§ãã圱é¿ãåãŒããšããããšã§ããã€ãŸããå ã®ç»åãè¯è³ªã§ããã°ããã»ã©ãã¢ããã¹ã±ãŒã«åŸã®ç»åãã¯ãªãªãã£ãé«ããã®ãšãªããŸãããããã£ãŠãã¢ããã¹ã±ãŒã«ããã»ã¹ã®åæ段éã§é«å質ãªç»åãæºåããããšãæãŸããã§ãã
1.2 stable diffusion ã®ã¡ãªãããšã¯
stable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯é«åºŠãªç»ååæ§æèœåãæã£ãŠããããã®å€§ããªã¡ãªããã®äžã€ã¯ããã£ããŒã«ã®æ倱ãæå°éã«æããããšãã§ããããšã§ããåŸæ¥ã®ã¢ããã¹ã±ãŒã«æ¹æ³ã«æ¯ã¹ãŠåªããçµæãåŸããããããç»åã®è³ªãç ç²ã«ããããšãªã解å床ãå¢å ããããå Žåã«é©ããŠããŸãã
ããã«ãstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯ãšããžæ€åºããã¯ã¹ãã£ä¿æãªã©ãç¹å®ã®ç»åèŠçŽ ã«å¯ŸããŠãé«åºŠã«æé©åãããŠããŸããããã«ãããã¢ããã¹ã±ãŒã«ãããç»åã¯ãªãªãžãã«ã®ç䟡ãä¿ã¡ã€ã€ããã粟现ãªå°è±¡ãäžããããšãã§ããŸãããããã§ãã·ã§ãã«ãªçšéã«æ±ããããé«ãã¬ãã«ã®ç»ååŠçãå¯èœãšãªãã®ã§ãã
ãŸããç¹ã«é床ãšå¹çã®é¢ã§ãä»ã®ã¢ããã¹ã±ãŒã«æè¡ã«æ¯ã¹ãŠåªããŠãããèšå€§ãªæ°ã®ç»åãçæéã§åŠçã§ãããããããžãã¹ãç£æ¥åéã§ã®å©çšã«ãæé©ã§ããçæéã§é«å質ãªçµæãåŸããããšããã®ã¯ãéãããæéã®äžã§ã¹ã±ãžã¥ãŒã«ãé²ããå¿ èŠãããå Žåã«ã¯ç¹ã«æçã§ãã
1.3 ç»åå質ãé«ããã¢ããã¹ã±ãŒãªã³ã°æè¡ã®åç
ã¢ããã¹ã±ãŒãªã³ã°ã«ãããç»åå質ã®åäžã¯ãç»åã®åãã¯ã»ã«éã§æ°ãã«çæããããã¯ã»ã«ã®è²ãèŒåºŠãã©ã®çšåºŠæ£ç¢ºã«å²ãåºããã«æãã£ãŠããŸããstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã§ã¯ã深局åŠç¿ãçšããã¢ã«ãŽãªãºã ããã®è€éãªåŠçãæ ããŸããããã«ãããæ°ãããã¯ã»ã«ã¯åšå²ã®ãã¯ã»ã«ãšã®è²èª¿ãèŒåºŠã調åãããã®ãšãªããèªç¶ãªã¢ããã¹ã±ãŒã«ãå®çŸãããŸãã
ãã®ããã»ã¹ã«ãããŠãã¢ã«ãŽãªãºã ã¯è€æ°ã®å±€ãæã£ããã¥ãŒã©ã«ãããã¯ãŒã¯ã䜿çšããŠãå ã®ç»åãããã¿ãŒã³ãç¹æ§ãåŠç¿ããŸããåŠç¿ãããæ å ±ã¯ãã®åŸãã¢ããã¹ã±ãŒã«ããã»ã¹ã§æ°ããªãã¯ã»ã«ãçæããéã®ã¬ã€ããšããŠæ©èœããããé«å質ãªç»åçæã«åœ¹ç«ã¡ãŸãã
ãã®ããã«ãstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯ç»åã®çŽ°éšãç·»å¯ã«åçŸããããšã§ãå ã®ç»åãæã€æ å ±ãæ倧éã«æŽ»ããã解å床ãé«ããªããããå質ãèœãšãããšãªããé«å質ãªã¢ããã¹ã±ãŒã«ãå®çŸããŸãããã®ãããç»åãæ¡å€§ããéã«ãããã¡ãªãã¯ã»ã«ã®å£åããç»è³ªã®èããæå°éã«æããããšãå¯èœã§ãã
1.4 ã¢ããã¹ã±ãŒã«ã®å¿çšç¯å²ãšå¯èœæ§
stable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã®å¿çšç¯å²ã¯åºããæå 端ã®ã€ã¡ãŒãžã³ã°æè¡ãšããŠæ³šç®ãããŠããŸããæ ç»ããã¬ãæ¥çã§ã¯ãé«è§£å床ã§è©³çŽ°ãªããžã¥ã¢ã«ãèŠæ±ãããããããã®æè¡ãéµãšãªããŸããèªç¶ãªã¯ãªãªãã£ã®ç»åæ¡å€§ã¯ãèŠèŠå¹æãæ®åœ±åŸã®ç·šéãªã©ã®äžè²«ããå·¥çšã§äžå¯æ¬ ã§ãã
ãŸããå»çç»ååæã«ãããŠããã®å¿çšãæåŸ ãããŠããŸããé«è§£å床ã§é®®æãªç»åã¯ã蚺æã®ç²ŸåºŠãé«ããããã«éèŠã§ãããstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯ãã詳现ãªç»åãæäŸããããšã§ãå»çã®è³ªã®åäžã«è²¢ç®ããå¯èœæ§ãç§ããŠããŸãã
ãã®ä»ã«ããå®å šç£èŠãè¡æç»åãã¢ãŒããã¯ãã£ã®3Dã¢ããªã³ã°ãªã©ãæ§ã ãªåéã§ã®å©çšãèããããŸãããã®æè¡ã«ãã£ãŠç²ŸåºŠã®é«ãç»åã容æã«åŸãããããã«ãªããããä»åŸãããªãç 究éçºãšå¿çšã®æ¡å€§ãé²ãã§ããããstable diffusionã®ã¢ããã¹ã±ãŒã«æ©èœã¯ãç»ååŠçã®ãã£ãŒã«ãã«ãããå¯èœæ§ã倧ããåºããŠããŸãã
2. ã¢ããã¹ã±ãŒã«ã®æè¡ç解説
æ¢åã®ç»åãé«è§£å床ã«ããããšãã§ããã¢ããã¹ã±ãŒã«æè¡ã§ãããå®éã«ã©ã®ãããªãšããã§äœ¿ãããŠããã®ã§ããããããã®æè¡ã¯ãæ åå¶äœãåçã®æ¡å€§ä¿®æ£ãå»çç»åã®åäžãããã«ã¯ã²ãŒã ã®ã°ã©ãã£ãã¯æ¹åãªã©ãå€å²ã«ãããåéã§å©çšãããŠããŸãããã®èšäºã§ã¯ããã£ãŒãã©ãŒãã³ã°ã®é²åã«ãã£ãŠé©ãã»ã©é²åããã¢ããã¹ã±ãŒã«æè¡ã«çŠç¹ãåœãŠãç¹ã«stable diffusionã®æå 端ã¢ã«ãŽãªãºã ã«ã€ããŠè©³ããèŠãŠãããŸãã
2.1 深局åŠç¿ãšã¢ããã¹ã±ãŒã«ã®é¢ä¿æ§
深局åŠç¿ã¯ã¢ããã¹ã±ãŒã«åéã§é©åœãèµ·ãããŸããããã¥ãŒã©ã«ãããã¯ãŒã¯ã掻çšããæ°ã ã®äœè§£å床ã®ãµã³ãã«ããé«è§£å床ç»åãçæããæ¹æ³ãåŠç¿ããããšã§ãéåžžã«ãªã¢ã«ãªãã¯ã¹ãã£ãšãã£ããŒã«ãæã€ç»åãžãšå€æããããšãå¯èœã§ããããã«ãããåçŽãªãã¯ã»ã«å€ã®è£éãè¶ ãã質ã®é«ãã¢ããã¹ã±ãŒã«ãå®çŸããŸããã
ãã®ããã»ã¹ã¯ç¹ã«ã³ã³ãã³ãèå¥ãéèŠã§ããããã¥ãŒã©ã«ãããã¯ãŒã¯ã¯ç»åå ã®ããŸããŸãªç¹åŸŽïŒãšããžãã«ã©ãŒããã¿ãŒã³ãªã©ïŒãèå¥ããããã«åºã¥ããŠé«è§£å床ã§ã®åçŸãè©Šã¿ãŸãããã®ãããªç¹åŸŽèå¥ã«ã¯èšå€§ãªéã®ããŒã¿ã»ãããšé«åºŠãªæŒç®èœåãæ±ããããŸãã
å ããŠããã®æè¡ã§ã¯ãé©åãªã¢ããã¹ã±ãŒã«ææ³ã®éžæããå ã®ç»åã®çšéãç®çã«å€§ããäŸåãããšããããšã泚ç®ãããŠããŸããäŸãã°ãé¡ã®åçã§ã¯çŽ°éšã®åçŸæ§ãéèŠã§ããã颚æ¯åçã§ã¯èªç¶ãªãã¯ã¹ãã£ãæ±ããããŸãã
2.2 stable diffusion ã®ã¢ã«ãŽãªãºã 玹ä»
stable diffusionãšã¯ãäžè¬çãªãã£ãŒãã©ãŒãã³ã°ææ³ã®äžã§ããç¹ã«ä¿¡é Œæ§ã®é«ãçæãšå®å®ããæ§èœãæäŸããã¢ã«ãŽãªãºã ã§ãããã®ææ³ã¯å€§èŠæš¡ãªããŒã¿ã»ãããçšããŠã¢ãã«ããã¬ãŒãã³ã°ããããšã§ãé«å質ãªã¢ããã¹ã±ãŒã«ãå®çŸããŸãã
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2.3 ãã¬ãŒãã³ã°ããŒã¿ã®éèŠæ§ãšéžæåºæº
ã©ããªã«åªããŠããæ©æ¢°åŠç¿ã§ããçµæãåºããŸã§ã®èšç®ã®éçšã§ãæ¯èŒããããŒã¿ãæ¡ä»¶ãå°ãªããã°ãã©ãããŠã粟床ã®é«ãçµæãæåŸ ããããšã¯ã§ããŸããã粟床ãé«ããããã«ã¯ãå€ãã®è¯è³ªãªåŠç¿ããŒã¿ãå¿ èŠã«ãªããŸãããã®ãããå€ãã®è¯è³ªãªããŒã¿ã¯ããè¯ãçµæãåŸãããã«çŽçµãã倧äºãªèŠçŽ ã ãšèšããŸãã
é«å質ãªã¢ããã¹ã±ãŒã«ãè¡ãã«ã¯ãããŸããŸãªæ¡ä»¶ãå¹ åºãæããå¿ èŠããããŸããã¢ããã¹ã±ãŒã«ãè¡ãéã«å ¥åãã髪ã®è²ããç®ã®è²ãªã©ãå ¥åããããã³ããã¯ãã®æ¡ä»¶ã«åœãŠã¯ãŸããŸãããã®æ¡ä»¶ã现ããèšå®ããããšã§é«å質ãªç»åãçæããããšåæã«ã人éã®è³ã®åãã®ãããªåŠçãããããã«äººå·¥ç¥èœã«åŠã°ããããšãã§ããŸãã
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2.4 ã¢ããã¹ã±ãŒã«åŠçã®èšç®å¹çæ§
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3.1 Stable Diffusionã®ã¢ããã¹ã±ãŒã«æ¹æ³
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1. Hires.fix
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3. Extras
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3.2 ã¢ããã¹ã±ãŒã«ãœãããŠã§ã¢ã®ã€ã³ã¹ããŒã«
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3.3 䜿ãæ¹ã®ã¹ããããã€ã¹ãããã¬ã€ã
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3.4 äžè¬çãªãšã©ãŒãšãã®ãã©ãã«ã·ã¥ãŒãã£ã³ã°
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3.5 æé©ãªèšå®ãšã«ã¹ã¿ãã€ãºæ¹æ³
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4. ã±ãŒã¹ã¹ã¿ãã£ïŒã¢ããã¹ã±ãŒã«æåäŸ
4.1 åæ¥ãããžã§ã¯ãã§ã®å®çžŸ
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4.2 ã¢ãŒããšãšã³ã¿ãŒãã€ã¡ã³ãã®æ¹å
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4.3 ç§åŠçç 究ã§ã®ã¢ããã¹ã±ãŒã«å¿çš
ç§åŠçç 究ã§ã¯ãæé é¡ãé¡åŸ®é¡ã§æããç»åã®ã¯ãªãªãã£åäžã«ã¢ããã¹ã±ãŒã«æè¡ã圹ç«ã£ãŠããŸããããã«ãããç 究è ã¯åŸ®çŽ°ãªæ§é ã詳现ã«èŠ³å¯ã§ããæ°ããªçºèŠã«ã€ãªããå¯èœæ§ãåºãããŸãã
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4.4 æè²ã³ã³ãã³ãã®è³ªåäžã«å¯Ÿãã圱é¿
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5. ã¢ããã¹ã±ãŒã«ã®æé©åãšé«åºŠå
ã¢ããã¹ã±ãŒã«ææ³ã®é²æ©ã¯ãããžã¿ã«ã€ã¡ãŒãžã³ã°ã®åéã§éèŠãªåœ¹å²ãæ ã£ãŠããŸããç¹ã«ã现ããªç»åã®ç¹åŸŽã倱ããã«è§£å床ãåäžãããããšããæ§ã ãªç£æ¥ã§æ±ããããŠããŸããã¢ããã¹ã±ãŒã«æè¡ã®æé©åãšé«åºŠåã¯ããããã®ããŒãºãæºããããã®éµãšãªããŸãã
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