Kusinthanitsa JPEG

Kukhazikitsa Sideways JPEG images

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Kukweza

Momwe mungasinthire JPEG

1 Ikani JPEG images yomwe idatuluka motsutsana ndi njira yoyenera.

2 Sankhani kuzungulira kwa katatu kapena katatu kachiwiri, kapena dinani m'mbali mwake ndi kusankha mtundu wa zigawo zomwe zidzawoneke.

3 Kugwiritsa ntchito kuzungulira; ma pixels ndi mfundo flag ndi kugwirizana kuti aliyense woonera amagwirizana pa mmene ndi pamwamba.

4 Pezani fayilo yosinthidwa ya JPEG.

Kusinthanitsa JPEG Mafunso Ofala

Kodi ndingasinthire magulu onse m'modzimmodzi?

Ndikofunika. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail.

Kodi Kusinthanitsa JPEG imasintha fayilo?

Kuphatikiza apo, kuzungulira ndi multiple ya 90 madigiri amachitika losslessly ndi transposing DCT ma blocks — palibe re-encode, palibe kubadwa kuwonongeka; okharbitrary angle ayenera resampling, chifukwa cha pixel grid yekha ayenera kukonzedwanso. Quarter turns ndi half turns ndi milandu yofala kwambiri ndipo imatenga njira yotsika mtengo yomwe ilipo pa mtundu.

Pali china chilichonse chokhudzana ndi JPEG chomwe ndingadziwe?

Ndikofunika - the.jpeg ndi.jpg zowonjezera ndi chimodzimodzi bitstream, choncho palibe apa amachita mosiyana ndi.jpg — zosintha zokha za dzina la fayilo. Ndi chinthu chomwe chimafotokoza chifukwa chake fayilo ikuwoneka bwino m'modzi mwa mapulogalamu ndi kuipa m'modzi.

N’chifukwa chiyani fayilo yanga imawoneka yoyenera pafoni yanga koma imawoneka mozungulira m’malo ena?

Chifukwa chakuti kuwala kwa chithunzichi kumasungidwa ngati EXIF flag, osati mu pixels, ndipo sikuti aliyense woyang'anira amaona bwinobwino. Kusinthasintha kwa chithunzichi kumasintha zinthu ziwirizi kuti zikhale zofanana — pixels ndi flag zimamaliza kugwirizana, ndipo fayilo imawoneka yofanana kulikonse.

Kodi ndingapeze chiyani pa Kusinthanitsa JPEG?

Chomwechocho m'banja la raster lothamanga - JPG, JPEG, JFIF ndi WebP - ndi mafomu osathamanga (PNG, BMP, TIFF) ngati mukufuna kuwaphatikiza m'modzi mwa iwo. Mafomu amawerengedwa kuchokera pamutu wa fayilo, osati kuwonjezeka, kotero chithunzi chosunga ndi suffix yosayenera ikhoza kupita.

Kodi pali malire a kukula kwa fayilo pa Kusinthanitsa JPEG?

Yai: maakaunti aulere amapanga zithunzi mpaka ku 5 MB, zomwe zimakhudza kwambiri kamera iliyonse JPG ndi foni; ntchitoyi imachitika ndi libjpeg-turbo ndi libwebp, mabuku omwewo omwe amagwirizana ndi wolemba deta. Mafayilo akuluakulu ndi chinthu chimodzi chomwe chimalepheretsa chida chosalipira, ndipo chida chokha chili ndi fayilo imodzi kuposa fayilo imodzi.

Kodi Kusinthanitsa JPEG idzachepetsa mtundu wa JPEG images wanga?

A lossy chiyambi ndi kale zotsatira za m'modzi quantum pass, ndi chilichonse ntchito kuti ali ndi re-encode amawonjezera mphindi. pamene ntchito angachite popanda kukhudza pixel deta tikuchita kuti m'malo, ndipo pamene simungathe kusankha quality factor nokha kuposa kupeza fixed default.

Kodi ndingagwiritse ntchito Kusinthanitsa JPEG pa JPEG images angapo nthawi imodzi?

Yai. Chotsani zonse zomwe zili m'malo otsitsa ndipo zidzayang'ana mofanana ndi zosankha zofanana - zomwe ndichifukwa chachikulu chochita izi m'masamba osakatuli kuposa fayilo imodzi nthawi imodzi m'mutu. Maakaunti aulere amayendetsa fayilo imodzi panthawi ya batani; kutuluka kwachidule.

Nchifukwa chiyani malo a EPUB amalandira Kusinthanitsa JPEG?

EPUB.to imapangidwa m'malo mwa mtundu wa eBook wotsegulira - XHTML mu zip, reflowable ndi kupanga, komanso wowerenga pa hardware amene aliyense sanaganizire za mawonekedwe ake. Buku ndi zip yokhala ndi masamba, zithunzi ndi mafonti, ndipo pafupifupi ntchito iliyonse yomwe anthu amabweretsa patsamba la eBook ndi ntchito yogwira ntchito pa imodzi mwazinthuzi. Kusinthanitsa JPEG imagwira ntchito pamodzi ndi kutsitsa ndi akaunti yomweyo monga kusinthika chifukwa chomwe chili choncho.

Kodi ndingachite chiyani ndi zotsatirazi pamene Kusinthanitsa JPEG yatha?

Mtundu wa Convertor wa m'munsimu umasintha mabuku pakati pa EPUB, MOBI, AZW3, PDF ndi DOCX, kotero kuti mutu umakhala pa hardware iliyonse yomwe imatha kuwerengedwa. Kuchita izi pambuyo pa Kusinthanitsa JPEG kumatanthauza kuti kusinthaku kumachitika kuchokera ku mtundu womwe mwakhala mukuchita, osati kuchokera ku yomwe mwakhala mukukonza.

Kodi Kusinthanitsa JPEG pano ndi chinthu chomwecho chomwe masamba a sibling amayendetsa?

Ma injini amagawana - mtundu wofanana wa zida, ogwira ntchito, ma limits omwewo. Zomwe EPUB malo amawonjezera ndi kuzindikira kwa reflow: zomwe mwa izi ntchito yosinthika yosinthika yosinthika yothandizira, ndipo zomwe zimatanthauza kuti ndizofunikira pa media ya fixed-layout. Imakhalanso ndi mfundo imodzi yokhudza mtundu womwe uwu ndi dzina la siteyi: bukuli ndi zip ya XHTML ndi manifest, kotero kuti malemba amawononga pafupifupi chilichonse ndi chilichonse chisankho chomwe chimakhudza ndi za zithunzi zophatikizidwa ndi subsets font.

Kodi ndiyenera kukhala ndi akaunti, ndipo kodi zinthu zina zimasunga?

Sichingakhale akaunti, ndipo palibe chomwe chimaperekedwa: kutsitsa kumachotsa ntchito za ogwira ntchito pambuyo pomaliza ntchito, palibe chomwe chimawerengedwa komanso palibe chomwe chimawerengedwa. Maakaunti aulere alipo kwa mbiri ndi kukula kwa batani, sichipezeka.