7 ways to use OCR in your presentations
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Transcript of 7 ways to use OCR in your presentations
Optical Character Recognition is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo or from subtitle text superimposed on an image (for example from a television broadcast)
OCR is a field of research in pattern recognition, artificial intelligence and computer vision.
What is OCR?
Lecture capture, training recording and conference webcasting produce long videos.
For those who wish to review content and access precise information, search is the key. Using Optical Character Recognition (OCR), UbiCast analyses captured presentation material and extracts the words out of all the slides to make them searchable.
- Works with any presentation material (PowerPoint, Keynote, PDFs, etc.)
- Easy access to the moment in the video when the slide containing the word is displayed
- Does not require the presenter to submit their presentation at any point in time
How to use it in your presenta5ons?
2. Use a plain background
Do not place images in the background. This could harm the character recognition for the software.
Here an example of bad practice.
3. Keep an eye the resolu5on and image size
The resolution of UbiCast stations and the one of the computers projecting the presentation should be the same to avoid black stripes
Ideally, the picture size is 4/3 or 16/9 .
An example of well analyzed slide by the UbiCast system:
A white background with black/ dark blue text and mainly classics fonts.
Thus here, on this slide, all the keywords were successfully extracted by OCR.
4. Chose classic fonts
Optimize the recognition of your titles using a larger font size than the rest of the text.
When you select the "Title Placement" option in the "self- chapter" section, make sure that all your tracks are located in the same area on your slides .
Here, the title is framed in red.
5. Highlight the 5tle
6. Use the Mul5language op5on
UbiCast stations’OCR tools can analyze 8 languages.
To change the language you need to access the « Advanced Parameters » from the home page. You will see two flags in the bottom bar.
Click and you will be able to choose between the 3 languages supported by our machines (German, English or French) and the 8 languages recognized by the OCR (German, English , Arabic, Spanish, French , Dutch, Italian and Suomi).
7. Give 5tles automa5cally with OCR
To use OCR in your UbiCast station, you have to access the "Publication" menu, choose the video you want to give titles automatically, then click on the chaptering tool.
You land in the menu you see here , than you can define a zone in which the machine will search for a title on each slide (the green arrow here).
Then, if you choose the (T) button the software automatically creates a title and a chapter from this slide. Proceed to the next index and repeat the process.