Awọn ipilẹ Itọsọna

Augmentation data

Data augmentation transforms or combines training examples to improve learning from available data.

Gbọ si itọsọna yiiAI-ṣe afihan · ~1 min

Lori iwe yi1 iseju kika
  1. Akopọ
  2. Jin Dive
  3. Real-World imuse
  4. Ojo iwaju ti Data Augmentation
  5. Fifi o sinu iwa
  6. Tesiwaju Ṣiṣawari
  7. Awọn ibeere ti a beere nigbagbogbo

Akopọ

An augmentation must preserve the target label or explicitly adjust it to match the transformed example.

Jin Dive

Augmentation expands the training distribution through transformations or combinations. Mixup creates convex combinations of examples and labels. CutMix replaces a patch and mixes labels in proportion to area. AutoAugment searches for policies using validation performance, while back-translation creates synthetic paraphrases for text tasks. The methods are task-specific: transformations that preserve labels for one task may invalidate labels for another.

Real-World imuse

Random crops or flips can create altered image views when the label remains valid.

Mixup linearly combines two inputs and their labels.

CutMix pastes an image region from one example into another and weights labels by area.

Back-translation generates paraphrased text by translating through an intermediate language.

Ojo iwaju ti Data Augmentation

Select augmentations based on task semantics and validate on data representative of deployment. Record transformation distributions and test for synthetic artifacts or label mismatch. The cited papers report specific datasets and experiments, not a guarantee that more augmentation always improves generalization.

Fifi o sinu iwa

Kini idi ti o ṣe pataki

  • Awọn ipinnu diẹ sii. O ṣe iranlọwọ fun ọ lati ya sọtọ awọn iṣeduro imọ-ẹrọ lati ede tita.
  • Iye owo ati isuna. O le beere awọn ibeere imuse to dara julọ ṣaaju lilo owo tabi akoko.
  • Ẹgbẹ ati ṣiṣan iṣẹ. Awọn ẹgbẹ pẹlu oye pinpin ṣe ọja to dara julọ, eto imulo, ati awọn ipinnu ikẹkọ.

Ṣọra fun

  • Awọn ẹgbẹ oriṣiriṣi le lo ọrọ kanna ni oriṣiriṣi, nitorinaa ṣalaye iwọn ni kutukutu.
  • Awọn aṣepari le wo lagbara lakoko ti iṣẹ-aye gidi ko ṣe deede.
  • Aibikita didara data ati awọn ero igbelewọn nigbagbogbo ṣẹda awọn abajade ẹlẹgẹ.

Next awọn igbesẹ

  1. Bẹrẹ pẹlu itumọ-ede itele ti abajade ti o nilo.
  2. Mu metiriki aṣeyọri kan ati ipo ikuna kan ṣaaju idanwo.
  3. Ṣiṣe awakọ kekere kan pẹlu data aṣoju, kii ṣe eto demo didan.
  4. Iwe-ipamọ nibiti Data Augmentation ṣe iranlọwọ ati nibiti awọn ọna ti o rọrun dara julọ.

Tesiwaju Ṣiṣawari

Ìwé ìròyìn ọfẹ

Gba ìkànìyàn AI ojoojúmọ́

Ìtàn AI mẹta tó jẹ́rìí ní gbogbo owurọ́ ọjọ́ iṣẹ́, kọ́wé ní Gẹ̀ẹ́sì tó rọrùn. Ọfẹ́ fún gbogbo àkókò, kò sí ìpolówó.

Ìmeèlì kan ní gbogbo ọjọ́ iṣẹ́. Yọkúrò ní ìkànìyàn ní ìkànìyàn kan. A kò ta tàbí pín àdírẹ́sì rẹ.

Ṣe idanwo fun ara rẹ

Take the Data Augmentation quiz

Ìdáhùn lẹ́sẹ̀kẹsẹ̀ lórí gbogbo ìdáhùn, àti iwe-ẹ̀rí tó lè pin pẹ̀lú ID tó lè jẹ́rìí lẹ́yìn tí o bá kọ́ ẹ̀kọ́.

Bẹrẹ adanwo

Ṣe àtìlẹ́yìn ẹ̀kọ́ AI ọfẹ́. AI Understanding jẹ́ àjọ àìní èrè 501(c)(3) — kò sí ìpolówó, kò sí àkúnya owó, ní gbogbo àkókò. Ṣe ẹbun kan

Awọn ibeere ti a beere nigbagbogbo

What is Data Augmentation?

Data augmentation transforms or combines training examples to improve learning from available data. An augmentation must preserve the target label or explicitly adjust it to match the transformed example.

Kini idi akọkọ ti imudara data?

Augmentation ṣẹda oniruuru, awọn ẹda ti a tunṣe ti data ti o wa tẹlẹ lati dinku iwọn apọju ati ṣe iranlọwọ fun awoṣe lati mu awọn igbewọle ti a ko rii.

Ewo ninu iwọnyi jẹ ilana imudara aworan ti o wọpọ?

Yiyi, didasilẹ, yiyi, ati awọn iyipada awọ jẹ awọn imudara aworan boṣewa ti o yipada awọn piksẹli lakoko titọju aami naa.

Kini itumọ-pada ṣe ni imudara ọrọ?

Itumọ-itumọ n ṣiṣẹ ọrọ nipasẹ ede miiran ati sẹhin, ti nso ẹya ti o tun-ọrọ ti o tọju itumọ.

Kini idi ti awọn afikun gbọdọ jẹ 'itọju-aami-aami'?

Iyipada ko yẹ ki o yi idahun to pe pada - yiyi '6' sinu '9' kan, fun apẹẹrẹ, yoo ṣi apẹẹrẹ naa jẹ.

Kini ilana Mixup ṣe?

Mixup ṣẹda awọn ayẹwo titun nipasẹ laini apapọ awọn orisii awọn igbewọle ati awọn aami wọn, ni iyanju awọn aala ipinnu didan.