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Sinthani Yanu MPG ku Image mafayilo mosavuta

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Kukweza

Momwe mungasinthire MPG ku Image

Gawo 1: Kwezani yanu MPG mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa Image mafayilo

MPG ku Image Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingapeze bwanji ma frame kuchokera ku MPG kanema ngati Image zithunzi?

Kutsitsa kwa MPG ndi wosintha amatulutsa chisankho cha frame-extraction: chilichonse cha Nth frame, ma frame a nthawi yoyenera, kapena chiwonetsero chimodzi pa mphindi. Chosankha chilichonse chimasinthidwa ngati fayilo ya Image ndipo zonse zimaphatikizidwa mu ZIP archive kuti mutsitsa. MPG ndi chimodzimodzi MPEG pulogalamu mtsinje monga.mpeg - atatu-alemba kuwonjezeka ndi DOS-era kugwa, si mtundu wina. Image pano ndi zofuna zazikulu: wosinthira amasankha raster format zomvetsa chisoni kwa cholinga cha m'malo mwa kuletsa mmodzi pa inu.

N’chifukwa chiyani ma frame anga ochokera m’mabuku ali ndi ma liwiro ozungulira omwe amapita mwa iwo?

Chifukwa cha zomwe zimachokera. MPG zomwe zili ndi zofalitsa ndi DVD zimasunga madera awiri apakati pa chipinda, zomwe zimatha kuwonetsedwa ndi chikwi chachiwiri, ndipo chosatha chosatha chikuwonetsa kuti chimapangidwa mogwirizana ndi chosatha pa chilichonse chomwe chikuyenda. Kukhazikitsa deinterlacing pambuyo potulutsa ndi chilichonse chosatha chimapangidwa kuchokera ku chipinda chokha chosatha chosatha.

Kodi ndingapeze ma frame a Image osagwiritsa ntchito mawu oyamba?

Ngati MPG siyimagwiritsa ntchito, chifukwa MPG siyimagwiritsa ntchito mawu osakira omwe angasankhidwe kuti azimitsa. Chomwecho MPG chikuwonetsa pazenera ndi chithunzicho, choncho ndicho chilichonse Image chotulutsa chimapanga ndipo palibe chosankha chomwe chimachotsa pambuyo pake. Mukapeza fayilo yosiyana ya mawu osakira pamodzi ndi kanema, chotsani kuchokera kuzinthu zomwe zidatenga ma frame awiri osiyana. MPG amalandira zonse MPEG-2 kuletsa - heavy bitrate, interlacing, palibe soft subtitle - kuphatikizapo kusokonezeka kwa awiri zowonjezera kwa mtundu wina.

Kodi Image imathandizira kuwala?

Format imagwira ntchito, koma chiyambicho sichimakhala ndi alpha kuti ipereke - ma frame a video ndi masamba opangidwa ndi mawonekedwe owoneka bwino, kotero kuti ma pixel onse amafika molimba. Chingwe cha alpha chimakhala chothandiza pambuyo pake: kumatanthauza kuti mutha kuchotsa chinthu kuchokera ku Image pambuyo pake popanda kusintha mtundu. Kusankha chitukuko mwamsanga kumatanthauza inu mupeza fayilo yomwe imatsegula kulikonse popanda kuganizira za codecs koyamba.

Kodi ndi chiyani chofunikira pa Image mafayilo?

Kukula kwakukulu kuposa momwe mungayembekezere, chifukwa Image imasunga ma pixel onse moyenera kuposa kuyerekezera. 1080p imakhalabe pafupi ndi 2-5 MB ndipo 4K imakhalabe pafupi ndi 6-15 MB, kotero kutulutsa kwanthawi yayitali kumawonjezera mwachangu. Izi ndi malonda abwino pamene zithunzi zimatha kutulutsa kuwongolera, ndipo zoyipa pamene zikuyenda mozungulira patsamba la webusaiti. Mafuta a photovoltaic amagwiritsa ntchito mphamvu ya dzuwa kuti atenge kutentha kwa dzuwa, ndipo mafuta a photovoltaic amagwiritsa ntchito mphamvu ya dzuwa kuti atenge kutentha kwa dzuwa.

Kodi ndi yankho liti lomwe limatuluka pa Image ya frame yomwe imatulutsidwa?

Kusintha kwachidziwitso chofanana ndi MPG kanema - 1080p MPG imapanga 1920 × 1080 Image mafayilo; 4K MPG imapanga 3840 × 2160 Image mafayilo. Pezani ntchito yosintha kukula pambuyo potulutsa ngati mukufuna mathumbnail ochepa kapena masamba amtundu wa media media.

Kodi ndingagwiritse ntchito chilichonse chamatabwa kuchokera ku MPG ngati Image?

Ndikuvomereza, koma onetsetsani kuti muwerenge fayilo - 30fps 1-mphindi MPG imapanga 1,800 Image ma frame. Timawapaka m'manja mwa ZIP mwamsanga. Kwa ma clip ochepa, "1 pa mphindi" (60 ma frame) kapena nthawi yoyenera imapatsa zotsatira zoyenera.

Kodi zithunzi zosakira Image zidzasunga MPG kujambula kwa mtundu?

Ndikoyenera - mtundu umasinthidwa ndi mamatrix omwe amagwiritsa ntchito MPG (BT.709 kwa HD, BT.2020 kwa 4K HDR). Ma HDR amapangidwa ndi SDR pazotulutsa ku Image chifukwa cha Image zosiyanasiyana (PNG, JPG) sizingatheke kusungira ma pixels a HDR.

Kodi ndi chiyani kukula kwa fayilo ya chiwonetsero cha Image chosatsegulidwa?

Kutengera pa resolution ndi Image codec. 1080p PNG frame ndi 2 mpaka 5 MB; 1080p JPG pa quality-85 ndi 200 mpaka 500 KB; 4K PNG ndi 6 mpaka 15 MB. Pamapeto pake, kutulutsa kwa PNG kwa 10-minute 1080p MPG kumapanga ~ 50 GB pamodzi.

Kodi Image yosanduka imasunga metadata ya kamera ya EXIF?

Kuyika kwa MPG sikungasungire EXIF pa frame momwe kamera ikugwira ntchito, kotero mafayilo a Image amatuluka ndi EXIF yopanda pake. Timayika `creation_time` yokhala ndi nthawi yoyambira ya frame kuti muthe kubwezeretsa bundle ndi kujambula.

Kodi nthawi yayitali bwanji kuti mutenge chiwonetsero chazithunzi kuchokera ku MPG kupita ku Image?

Kutulutsa kwa frame ndi kosavuta - nthawi zambiri 20 mpaka 30% ya nthawi yoyambira pa standard pipeline. 5-mphindi MPG → Image bundle imatha m'maola pafupifupi mphindi imodzi popanda kusiyana ndi kusiyana kwa frame, chifukwa choletsa ndi Image encoder, si MPG demuxer.

Kodi ndingagwiritse ntchito ma frame pa nthawi yoyenera mu MPG?

Ndiyo — njira yophunzirira imavomereza mndandanda wa timestamps osiyana ndi koma (mwachitsanzo `00:01:23,00:05:00,00:10:42`) ndipo imapanga fayilo imodzi Image pa timestamp. Ndi zothandiza kwa thumbnails za chapter, scene reference shots, kapena thumbnailing ya maphunziro ochepa.

MPG

MPG ndi fayilo yowonjezera ya mafayilo amakanema a MPEG-1 kapena MPEG-2. Nthawi zambiri amagwiritsidwa ntchito posewera ndi kugawa makanema.

Image

Mafayilo azithunzi, monga JPG, PNG, ndi GIF, amasunga zambiri zowoneka. Mafayilo awa akhoza kukhala ndi zithunzi, zithunzi, kapena zithunzi. Zithunzi zimagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo kapangidwe ka mawebusayiti, zida zamagetsi, ndi zojambula zamakalata, kuti apereke zomwe zili ndi zithunzi.