Idanwo ti o sopọ mọ itọsọna · Alabọde Ipele

Idanwo Action

Learn how video action-recognition models use temporal evidence, motion representations and spatiotemporal convolutions.

Jẹmọ itọsọna awọn ọnaIdanimọ igbese
Ibeere 1 ti 8

Kini ni ipilẹṣẹ ṣe iyatọ idanimọ iṣe lati iyasọtọ aworan lasan?

Awotẹlẹ gbogbo ibeere8 ibeere

Awọn idahun ati awọn alaye han bi o ṣe n mu ibeere naa.

  1. Kini ni ipilẹṣẹ ṣe iyatọ idanimọ iṣe lati iyasọtọ aworan lasan?
    • O ṣe idi nipa bii awọn piksẹli ṣe yipada ni gbogbo akoko, kii ṣe fireemu ẹyọkan
    • O nlo awọn aworan nla
    • O ṣiṣẹ nikan lori fidio dudu-ati-funfun
    • Ko nilo data ikẹkọ
  2. Ninu nẹtiwọọki idanimọ iṣe ṣiṣan-meji Ayebaye, kini ṣiṣan keji n ṣe ilana deede?
    • Awọn ọna igbi ohun
    • Ṣiṣan opitika ti o nsoju išipopada
    • Awọn akọle ọrọ
    • GPS ipoidojuko
  3. Kí ni a 3D convolution fi akawe si a boṣewa 2D convolution?
    • Awọn ikanni awọ
    • Iwọn aworan ti o ga julọ
    • Axis igba die (akoko) ki awọn asẹ fi awọn fireemu lọpọlọpọ
    • A o tobi ipele iwọn
  4. Kini ẹtan 'afikun' ti a lo nipasẹ awoṣe I3D?
    • Imọlẹ fidio ti npọ si
    • Fifi awọn fẹlẹfẹlẹ diẹ sii laileto
    • Fisinuirindigbindigbin faili fidio
    • Gbigbe awọn iwuwo nẹtiwọọki aworan 2D sinu 3D nipa ṣiṣe ẹda wọn kọja akoko
  5. Kini idi ti ipilẹ data Nkan-Nkankan ṣe akiyesi fun idanimọ iṣe?
    • O fi agbara mu awọn awoṣe lati ni oye itọsọna igba diẹ kuku da lori aaye ipo
    • O ni awọn fidio ẹranko nikan
    • Ko ni akole
    • O jẹ ti awọn aworan ẹyọkan
  6. Ilana wo ni o ṣe iranlọwọ fun awọn awoṣe idanimọ iṣe lati kọ ẹkọ lati fidio ti ko ni aami?
    • Iforukọsilẹ fireemu-nipasẹ-fireemu pẹlu ọwọ
    • Awoṣe fidio iboju ti ara ẹni abojuto
    • Nparẹ gbogbo data išipopada
    • Lilo ohun nikan
  7. How many action-template classes did the initial Something-Something dataset paper describe?
    • 17 classes
    • 1,740 classes
    • 174 classes
    • 17,400 classes
  8. What pretraining strategy does VideoMAE use?
    • Training only on single labeled frames
    • Replacing video with a text transcript
    • Predicting optical flow without reconstructing masked content
    • Masking a high proportion of video tokens and reconstructing them from visible tokens