Guide-yakabatana mibvunzo · Pakati Nhanho

Siamese Networks uye Triplet Kurasika Quiz

Macheki akagovaniswa maencoder, emedding madaro, triplet margins uye kuti yakaoma-negative mienzaniso inobata chiratidzo chekudzidza. nokungwarira.

Nzira dzekutungamira dzinoenderanaSiamese Networks Uye Katatu Kurasikirwa
Mubvunzo 1 ye 8

Chii chinotsanangudza chivakwa cheSiamese network?

Tarisa mubvunzo wese8 mibvunzo

Mhinduro uye tsananguro zvinoonekwa paunenge uchitora bvunzo.

  1. Chii chinotsanangudza chivakwa cheSiamese network?
    • Matavi maviri kana anopfuura akafanana anogovera huremu hwakafanana
    • Bazi rimwechete risina matinji akavanzika
    • Kuparadzanisa network ine huremu hwakazvimiririra hwakakwana
    • A recurrent loop nekufamba kwenguva matanho
  2. Mukurasikirwa katatu, ndezvipi zvitatu zvekupinza?
    • Input, yakavanzika, inobuda
    • Anchor, positive, uye negative
    • Chitima, kusimbisa, kuedza
    • Encoder, decoder, classifier
  3. Chinangwa chekurasikirwa katatu chinosimbisa chii?
    • Anchor uye negative zvinofanira kufanana
    • Ese embeddings inofanira kudonha kusvika pane imwe nzvimbo
    • Anchor-positive chinhambwe chinofanira kuva diki pane chinhambwe chinobatika-negative nechekumucheto
    • Positive nenegative inofanira kuva nenhambwe yakaenzana kune anchor
  4. Sei 'hard-negative mining' yakakosha pakudzidzisa kurasikirwa katatu?
    • Inobvisa zvese zvakanaka kubva pakudzidziswa
    • Inoita kuti network ive shoma
    • Inotsiva kureba metric nelebel
    • Easy negatives inotogutsa muganho uye inoburitsa zero inobatsira gradient
  5. Ndeupi hunyanzvi hunoita kuti maSiamese network akoshese 'pakudzidza-kamwe chete'?
    • Vanogona kuenzanisa kupinza kutsva kune imwechete referensi uye kutonga kufanana, kunyangwe kumakirasi asingaonekwe
    • Vanoda zviuru zvemienzaniso yakanyorwa pakirasi
    • Vanongoisa muzvikamu zvakatemwa, zvakafanotsanangurwa
    • Havagone kuita generalize kunze kwekuzivikanwa kwekudzidziswa
  6. Ko network yeSiamese inowanzo sarudza sei kana maviri ekuisa achienderana?
    • Nekupfupikisa mapikisie maitiro avo
    • Nekuenzanisa chinhambwe chiri pakati pemavheta ekuisa pakatarisana nechikumbaridzo
    • Nekuverenga nhamba yezvikamu zvakashandiswa
    • Nekupa yega yega chinyorwa chekirasi
  7. For triplet loss max(0, d(a,p) − d(a,n) + m), let d(a,p)=0.2, d(a,n)=0.8 and m=0.3. What is the loss?
    • 0.3
    • 0.5
    • 0
    • 1.1
  8. What happens when a negative example is already farther from the anchor than the required margin?
    • The anchor and positive embeddings are discarded
    • The loss forces the negative closer to the anchor
    • The network switches to classification mode
    • The triplet loss becomes zero and that example gives no useful gradient