Cov txheej txheem:

Yuav ua li cas kuv thiaj li txuag tau ib tug ncej los ntawm ib tug yees duab hauv OpenCV Python?
Yuav ua li cas kuv thiaj li txuag tau ib tug ncej los ntawm ib tug yees duab hauv OpenCV Python?

Video: Yuav ua li cas kuv thiaj li txuag tau ib tug ncej los ntawm ib tug yees duab hauv OpenCV Python?

Video: Yuav ua li cas kuv thiaj li txuag tau ib tug ncej los ntawm ib tug yees duab hauv OpenCV Python?
Video: Yuav ua li cas thiaj khiav dim lub ntiajteb no 2024, Kaum ib hlis
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Extracting thiab Txuag Video Frames siv OpenCV-Python

  1. Qhib lub Video file los yog siv lub koob yees duab cv2 ua . VideoCapture()
  2. Nyeem ncej los ntawm ncej .
  3. Txuag txhua ncej siv cv2 ua . sau ntawv ()
  4. Tso VideoCapture thiab rhuav tshem txhua qhov rais.

Tsis tas li ntawd, kuv yuav ua li cas rub tawm cv2 hauv Python?

Download tau qhov tseeb OpenCV tso tawm los ntawm qhov chaw sourceforge thiab ob-nias kom rho tawm nws

  1. Mus rau opencv/build/python/2.7 folder.
  2. ua cv2. pyd rau C:/Python27/lib/site-packeges.
  3. Qhib Python IDLE thiab ntaus cov lej hauv qab no hauv Python davhlau ya nyob twg. > > > import cv2 >>> print cv2. _version_

Kuv yuav rho cov duab los ntawm mp4 li cas? Xaiv tus ncej koj xav tau rho tawm los ntawm video, nyem rau ntawm "Cov ntaub ntawv" nyob rau sab laug ces kaum ntawm qhov kev pab cuam, ces nias "Export"> " Duab sequence." Nkag mus lossis hloov lub npe ntawm cov ntaub ntawv, tom qab ntawd xaiv ib lub nplaub tshev rau cov duab , xaiv hom ntawv, nyem rau ntawm "OK" thiab tos kom txog thaum lub duab dim.

Ib yam li ntawd, koj ua li cas thiaj li ua rau cov thav duab los ntawm thav duab video?

Nyem "Kho kom raug" tab, ces nias " Sib cais . " Qhov no yuav cais cov clip los ntawm cov yeeb yaj kiab tas li. Nyem rau ntawm tus xub xub yuam kev hauv qhov bar navigation kom txav tus cursor ib. ncej pem hauv ntej. Nyem "Kho kom raug" tab, ces nias " Sib cais ." Rov ua qhov txheej txheem no kom txog thaum koj tag nrho cov yeeb yaj kiab tawg rau hauv ncej.

Yuav ua li cas koj ua ib tug duab los ntawm ib tug yeeb yam nyob rau hauv Python?

Tsim Video los ntawm Duab siv OpenCV-Python

  1. Nqa tag nrho cov duab cov npe npe siv glob.
  2. Nyeem tag nrho cov duab siv cv2. imread()
  3. Khaws tag nrho cov duab rau hauv ib daim ntawv teev npe.
  4. Tsim cov khoom VideoWriter siv cv2. VideoWriter()
  5. Txuag cov duab rau hauv cov ntaub ntawv video siv cv2. VideoWriter(). sau()
  6. Tso VideoWriter thiab rhuav tshem txhua qhov rais.

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