Nataal Matting Quiz

Sooy def quiz bi, tontu yi ak leeral yi dañuy feeñ.

1. Luy alpha matte ci matting nataal?
   • Leeraayu pixel bu nekk
   • xóotaayu pixel bu nekk
   • Etiketu kategori mbir mi
   • Opasite bi (fraksioŋ bi ci kanam) pixel bu nekk diggante 0 ak 1
2. Lan moo wuutale matting ak segmentation binaire?
   • Matting ci wideo rek lay dox
   • Matting dafay xayma opacité fractionnelle ci boor yu nooy yi, du mask yu dëgër yi kese
   • Matting defar na mask 0/1 yu dëgër
   • Matting du bàyyi xel ci leerali melo yi
3. Luy trimap ci tapi bu yàgg?
   • Seggal nataal bu am ñatti melo
   • ab génnug kaptëru xóotaayu
   • Kaart buy màndargaal kanam gi, ginaaw gi ak gox yiñ xamul
   • Benn xeetu lensu kamera
4. Equation biy boole I = alpha*F + (1 - alpha)*B amul benn leeral ndax:
   • Amna luñu xamul lu ëpp ñetti valeur RGB yiñ xam ci pixel bu nekk
   • Amul benn pexe
   • Alpha dafay nekk 0.5
   • Njëg ak ginaaw ñoom ñaar ñooy benn
5. Lan mooy gëna am solo ci xeetu MODNet ak Matting wideo bu dëgër?
   • Dañuy laaj trimap buñ desine ak loxo ngir kadre bu nekk
   • Deñuy def matting bu amul trimap, lu bari ci jamono dëgg
   • Dañuy liggéey ci nataal yu weex ak yu ñuul
   • Dañuy génne ay mbaal 3D
6. Ban perte mooy gëna bari luñu koy boole ak njuumte ci wax luy waaja am ci matting bu xóot bi?
   • Ñàkka mëna xàmmee kàddu
   • Neexal buy dooleel
   • Entropie croix buñ xaaj ci kaw etiket yi
   • Perte compositional buy jaxasewaat li ñu séentu ba noppi méngale ko ak nataalu njëkk bi
7. Why might a deep matting network include a refinement stage after an initial alpha prediction?
   • To improve fine boundaries such as hair that a coarse prediction may miss
   • To replace every fractional alpha with a hard label
   • To discard the foreground color before compositing
   • To force all background pixels to become foreground
8. Which video-conferencing operation directly uses a predicted alpha matte?
   • Estimating the participant's spoken words from the waveform
   • Selecting an audio codec for the microphone
   • Blending a participant with a replacement background along soft edges
   • Assigning the call's network packets to a router