2021年我国影片材料馆影片制造及数字批改考研：影片批改专业级软件
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the pixel farm pfclean
pfclean?是一款快速健壮的破损印象主动批改软件，用于vfc和di流程的前期处置。pfclean 的规划撑持quicktime的输入和输出，quicktime格局的用户如今可以直接在pfclean翻开这一格局，并用里边的有关附件。这一功用正在被广泛的用于影片及游戏工业里。
pixel farm 公司宣告正式推出 pfclean v2.1 r1，自从2005年推出以来，pfclean 公司对些进行了多方面的改进，包括hollywood 好莱坞, ollin studios 和hungarian film labs.
pfclean是最广泛选用的软件处置方案在影片和视频批改,从影片转移到重设主控颤动一时的影片,从视听效能广泛的客户基础档案播送和影片制片厂。 一起的文武双全,pfclean特性一套归纳的主动和手动批改东西辅以健壮的重设主控有用程序。
我国影片材料馆在对《黄土地》和《盗胡匪》两部影片初始材料批改中也运用到了该软件。老影片批改是一件非常繁琐和耗时的作业，需要许多技能相辅结束，故并非某一个软件或硬件可以结束这项作业。
首要功用:
auto dirt & dust
arguably the best in the industry, and the tools which set the standards that our competitors follow. can be used either in conjunction with a scannergenerated defect map, or by analysing the image using advanced dirt detection algorithms. fast, accurate and reliable time and time again.
fix tear
an effect specifically designed to repair physical celluloid tears of any size in a single frame or across multiple frames. the fix tear effect will not only replace the damage, but using our infamous tracking technologies, will automatically align the undamaged portions back into position to compensate for any displacement that has occurred.
colour balance
providing an automated pregrade colour balance to restore dye fades and age related colour issues back to original tones. can produce stable results across entire clips, even from clip to clip.
auto de-spot
highly optimised and fast automatic despotting tool that requires no preprocessing.
de-grain
pfclean’s grain and noise management tools are second-to-none. grain can be profiled and stored for later use on shots from the same reel. these profiles can then be used for grain reduction, removal or for regraining entire shots, or to seamlessly blend a pixel level repair with the surrounding shot.
blocking reduction
useful for removing or softening compression artefacts associated with video and data compression.
clean lens dirt
developed for removing dirt captured between the lens and the image plane. famous examples are ‘hair in the gate’ and ‘lens mould’, but other in camera artefacts such as sensor dirt can also be remedied.
de-fog
designed for use with footage damaged by x-rays or poor storage, this tool can automatically detect and fix low to moderate amounts of fogging.
fix frame
fix frame uses our motion analysis and retiming technology to repair large areas of damage in a single frame, or over several frames. can be used to generate an entirely new frame if damage is severe.
lens undistort
the powerful distortion model used in pfclean can be used to correct for both low and highorder radial lens distortion, and can even be animated if necessary. it is also possible for pfclean to estimate the parameters by automatically detecting straight edges in an image.
channel align
this automated effect can be used to realign the different channels from tristrip (eg. technicolor process) footage, or any footage where a mis-alignment has occurred, for example chromatic aberration caused by the lens.
rig removal
this tool will automatically paint out a rig or wires. all the user has to do is draw a rough mask around the rig, and pfclean will detect and replace the wires. can be used with a clean plate, if one is available.
paint
some say the paint tools in pfclean provide more functionality in one effect than many comparable effects systems have in their entire toolset. our floating point paint tools make use of tracking or motion estimation algorithms, and are specifically designed to exist in multiple frames. tightly integrated with grain management tools, it’s possible to quickly and seamlessly touch up frames or entire image sequences. typical paint brush effects are clone, clean, paint, erode, repair, colorize and many more.
我国影片材料馆的材料当前现已悉数更新结束，晓得更多可以上微信大众号：影片材料馆考研辅佐
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