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Video Processing - Introduction

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Presentation on theme: "Video Processing - Introduction"— Presentation transcript:

1 Video Processing - Introduction

2 A film history The Lumière brothers, Auguste Marie Louis Nicolas (19 October 1862 – 10 April 1954) and Louis Jean (5 October 1864 – 6 June 1948), were the first filmmakers in history. They patented the cinematograph, which in contrast to Edison's "peepshow" kinetoscope allowed simultaneous viewing by multiple parties. Their first film Sortie de l'usine Lumière de Lyon' (1895) is considered the "first true motion picture.„ Lumiere brother's First Films

3 A film history The public debut at the Grand Café came a few months later and consisted of the following ten short films (in order of presentation):[12] La Sortie de l'Usine Lumière à Lyon (literally, "the exit from the Lumière factory in Lyon", or, under its more common English title, Workers Leaving the Lumiere Factory), 46 seconds Le Jardinier (l'Arroseur Arrosé) ("The Gardener", or "The Sprinkler Sprinkled"), 49 seconds Le Débarquement du Congrès de Photographie à Lyon ("the disembarkment of the Congress of Photographers in Lyon"), 48 seconds La Voltige ("Horse Trick Riders"), 46 seconds La Pêche aux poissons rouges ("fishing for goldfish"), 42 seconds Les Forgerons ("Blacksmiths"), 49 seconds Repas de bébé ("Baby's Breakfast" (lit. "baby's meal")), 41 seconds Le Saut à la couverture ("Jumping Onto the Blanket"), 41 seconds La Places des Cordeliers à Lyon ("Cordeliers Square in Lyon"—a street scene), 44 seconds La Mer (Baignade en mer) ("the sea [bathing in the sea]"), 38 seconds

4 A film history Example 1 – A trip to the moon
Example 2

5 How is a video created? Pre-production: Production Postproduction
Script or writing a screenplay Script visualisation or redrawing it on a „storyboard“ Schedule for making/shooting the film Production Postproduction

6 What is the most basic part of a movie or animation?
One FRAME

7 Norms and Standards: Kind of video Frames per second Movie 24
Video - PAL a SECAM 25 Video - NTSC 29,97 Web nebo CD-ROM 15 Other, e.g. 3D animation 30

8 Interlaced video

9 Progressive-scan, deinterlace
Opposite – field-rendering

10 Frame size ratio

11 If a pixel isn‘t square …

12 Frame size - resolution
NTSC – 720 x 480, it is pixels PAL – 720 x 576, tj pixels There are many TV programs in HD resolution!

13 Frame size – HD resolution
1280 x HD Ready (720p) TV (1366 x 768) 1920 x Full HD (1080i, 1080p) TV (1920 x 1080)

14 Frame size – HD resolution

15 HD resolution – what about the future? !!! Ultra HD !!!
4K television (3 840 x tj. 8 Mpx) 8 K television (7 680 x 4 320, tj. 32 Mpx).

16 Overscan and safety zone
Action – 10 % Subtitles - 20 %

17 Responsible video parameters
Frame size - resolution Frame size - ratio Frame rate Data rate Constant data rate Variable data rate

18 How can I make a movie? Shoot a film (movie)
Render (cartoon, morphing, warphing) Stop-motion (stop-animation) method Fast-motion method Slow-motion method Reverse-motion method


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