Yanzu kwanaki kowannensu yayi amfani da Photoshop ko duk wani software na gyaran hoto kamar Gimp, paint.net da dai sauransu don canza kowane hoto zuwa sabon kallo. A cikin Intanit mun ga hotuna da yawa waɗanda aka lalata kuma wasu hotunan suna kama da asali amma ba za mu iya yanke shawarar kanmu ta kallon hotunan ba. Zamu iya samun wasu hotuna kai tsaye ta hanyar kallo amma ƙananan hotuna basu da banbanci ga idanunmu. A wannan lokacin muna buƙatar ɗaukar tallafi na kayan aikin kan layi waɗanda ke da damar gano hoton an canza ko a'a?
Anan zamu sake nazarin kayan aikin kan layi guda biyu wadanda suke aiki daidai don gano hotunan morphing da hotunan hoto wanda yayi kama da gaske ga idanun mu.
Hotunan hotuna:
Fotoforensics sabis ne na musamman na yanar gizo wanda ke ba da cikakken bayani game da siffa da hotunan hoto. Wannan gidan yanar gizon yana da wasu nau'ikan bayanai don gano ko hoto yayi hoto ko a'a. Wannan rukunin yanar gizon yana ba da nau'ikan bayanai guda 4 wanda zai taimaka muku gano hoton yana da siffar ko a'a.
su ne
- Ta
- JPEG%
- Meta Bayanai
- Original
Yadda Ake Duba Hoton an shoauke hoto ko kuma ba amfani da Photoforensics:
1. Farkon Bude gidan yanar gizo na fotoforensics daga mahadar da ke kasa kuma loda hoton da kake so wanda kake so ka bincika asalin.
Yanar gizon Fotoforensics
2. Bayan loda hoton zai nuna hotuna guda biyu, daya asalin hotonshi ne kuma wani kuma ana nazarin hoton.
3. Yanzu zaka iya duba ELA na wannan hoton ka gano ko anyi hoton ne ko a'a.
ELA:
ELA na nufin nazarin matakin kuskure, yana taimaka mana gano hoton da aka ɗauka hoto ko a'a ta nuna matakin kuskure akan hoto. Idan hoton ya zama an gyara shi ko kuma an goge shi to yana nuna wasu launuka a cikin nazarin hoto. Idan hoton bai canza ba ta amfani da wata software to yana nuna farin launi na al'ada akan hoton.
JPEG%:
Hakanan zaka iya gano yanayin haɓakar hoton ta amfani da wannan Jpeg%. Yana nuna ingancin hoto lokacin da aka adana shi na ƙarshe. Idan ingancin zai ragu to lallai za'a inganta shi ta amfani da software. Anan zaka iya ganin hoto wanda yake da inganci 90%.
Meta Bayanan:
Yawancin masu amfani da kwamfuta sun sani game da yadda ake cire bayanan Meta daga hotuna. Amma har yanzu akwai wasu nau'ikan bayanai a cikin wannan ɓangaren bayanan Meta. Yana nuna wadatattun bayanai game da hoton kamar lokacin da aka ƙirƙira shi, lokacin da aka canza shi da kuma wacce kyamarar amfani da ita don ɗaukar wannan hoton.
Original:
Wannan sashin na asali yana nuna asalin asalin hoton da kuka loda a wannan gidan yanar gizon.
Wannan wani kayan aikin yanar gizo ne masu ban mamaki don bincika hoton hoto ko a'a. Ta amfani da wannan sabis ɗin yanar gizon zaka iya samun hoto an canza shi tare da software mai gyara hoto ko a'a. Ba kamar kayan aikin Fotoforensics ba wannan sabis ɗin yana ba da amsar kai tsaye ga masu amfani waɗanda suka ɗora hoto kuma wannan abu ne mai sauƙin fahimta ga kowa. Misali idan kayi lodin hoto mai cikakken hoto to yana nuna saƙo kamar "I" kuma ba da cikakken bayani game da wannan hoton. Har ila yau, ya ambaci software wanda suka yi amfani da shi don canza hoton.
Yadda Ake Duba hoto anyi Editing ko A'a?
1. Farkon bude shafin yanar gizan da aka gyara daga mahadar da ke kasa sai kayi loda hoto wanda kake so ka bincika.
Hoton da aka gyara? Yanar Gizo
2. Bayan haka yana ɗaukar secondsan daƙiƙu kaɗan kafin ku samo dukkan bayanai game da hoton. Idan kana son samun bayanan exif saika latsa "Nuna bayanan Exif".
Ta amfani da wannan sabis ɗin yanar gizon ba wai kawai bincika ko hoto an shirya ko a'a ba amma kuma ya bayyana wasu mahimman bayanai kamar bayanan meta na hoto, bayanan bayanan hoto. Akwai fasali guda ɗaya na musamman a cikin wannan aikace-aikacen wanda zaku iya gano ko an ɗauke shi daga Facebook ko a'a. Idan ka loda hotunan da aka saukar daga Facebook to yana nuna sako kamar "An dauki hoto daga Facebook" sannan kuma bayar da cikakken bayani game da hoton kamar wanda ake amfani da software don shirya wannan hoton.
Yaya waɗannan Kayan aikin Layi suke aiki?
A cikin waɗannan kayan aikin sama biyu da farko ɗayan fotoforensics suna aiki tare da wasu nau'ikan algorithms kamar ƙididdigar matakin kuskure, jpg% da dai sauransu da kuma wani hoton kayan aikin da aka gyara? Tattara bayanai daga Meta da bayanan exif. Idan ba zai iya samun Meta ko bayanan da aka fitar daga hoton ba to yana nuna saƙo kamar wanda ba zai iya fada ba.
Waɗannan kayan aikin guda biyu suna aiki daidai don gano ko hoto yayi hoto ko a'a amma waɗannan basu isa suyi hukunci ba saboda yawancin masu amfani suna share bayanan Meta. Don haka gwada waɗannan kayan aikin don gano wasu irin bayanai game da hotunan da aka gyara.
