DESCRIPTION Possible translation "TV CHANNEL STANDART DEFINITION" to broadcast in 16:9 format


Conducted a set of works with an estimate translation capabilities of video SD 4: 3 format to 16: 9 (HD) using a variety of methods and technologies


TESTS PREPARATION AND PROCESSING FOR BROADCAST VIDEO 16:9


Comparative test channel SD and test (16: 9) with options for viewing the TV in different modes


Main Display Modes format SD (4: 3) TV standard menu.


1. Standard - displayed full frame (4: 3) format refinement in TV (16: 9).

* Large black field proschad overs (inefficiently used frame)

2. stretch - extension of the visible region of the X axis

* Picture deformation

3. OVERSCAN - mode to maximize the horizontal and vertical

* Trim the visible region of the titles, and important facilities including head and other body parts


Showing commercials in mode "OVERSCAN" with the loss of part of the text and trim logo "TV CHANNEL STANDART DEFINITION"




View fragment finished video from the series "Sex and the City"




Storyboard random scenes after treatment (large, medium, plans)


video aspect ratio video aspect ratio video aspect ratio video aspect ratio video aspect ratio


PRACTICAL DETAILS

The main task is to prepare for the storage and conversion of video to standard definition (SD) resolution in High Definition (HD) with the use of modern technologies for processing and storage of video.



MAIN frame formats

video aspect ratio

Method "A-Scale" supports converting all existing formats


In the early 2000s, the format of 4: 3 began to disappear from TV screens. His gradually replacing anamorphic image digital television standard definition and high-definition television with aspect ratio 16: 9


Options display in 4: 3, 16: 9 and 21: 9 on different screens

video aspect ratio

Method "A-Scale" solves a problem with fields and UPSCALE after converting the format 4: 3 16: 9 21: 9 and back to DOWNSCALE



INGEST. CREATE DATABASE movie (originals)


Contents of the database content occurs in stages. 1. If there is an existing database of movies made imports descriptions and metadata of all available digitized material. 2. The next stage - the creation of software handler incoming video and automated digitizing material from various carriers. 3. Creation of original digital copies and viewing material. 4. Filling and editing movies database and bind to the digitization of material descriptions.


A-SCALE. The crude material


The processing steps


1. Single mathematical analysis of the video stream divided into fragments (scenes).


2. Analysis of the fragments.

2a. Checking for ferrying fields for further trimming

2b. Evaluation of the frame area of ​​the scene on the motion (MOTION DETECT)

2c. Sampling areas for further scale and cropping


3. Prepare a preview for each scene


4. Sampling snapshot to preview


Manual method UPSCALE scene via WEB interface

Exampe 1.

manual cropping video

This example shows a scene for manual sampling of the active region of the frame * The program has been selected the lower area of ​​the frame "CURRENT" for maximum movement of objects (tool box, hand). Was selected cropping without darkened area. With the interface it is possible to select the desired area (without lighting area) and save the results.



SOFTWARE CONVERSION 4: 3 (720i) LETTERBOX in 16: 9 (1080p)


In the example shown automatically crop fields and bringing LETTERBOX frame 4: 3 format to 16: 9

Example 2.

* Attention. The quality of video materials thumbs corresponds best viewed in Internet and on average 1 Mbit / sec.





SOFTWARE CONVERSION 4: 3 (720i) in 16: 9 (1080p) using the method of "A-Scale"


In the examples shown frame seeking and "UP SCALE" video format 4: 3 (720i) Example 3.

* Attention. The quality of video materials thumbs corresponds best viewed in Internet and on average 1 Mbit / sec.





SOFTWARE TRANSFORMATIONS 16: 9 (1080i) LETTERBOX (21: 9) in a 16: 9 (1080p) using the method of "A-Scale"


UPSCALE HD (Letterbox) in HD (Full frame) Example 4.К






Post-processing (filters suppress noise and color correction).

Snapshot frames before and after the filter processing.

Example 5.

video after correction video before correction



Automate storyboards (SOFTWARE CREATION EDLs)


Create a standard EDL format CMX3600 for further use in Adobe, FC, Blender. Software definition of direct bonding, MMT. Issuance of common results and characteristics of video (HIGH / LOW MOTION)

Example 6.