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Collabora Online is an open source online office suite based on LibreOffice, enabling web-based collaborative real-time editing of word processing documents, spreadsheets, presentations, and vector graphics. [6]
Watermarks: For adding branding to the movie. Start and End Titles: For adding start and end titles to a movie. Insert video files: For adding a video file to add interest or clarify a point. Invisible Keystrokes: Displays invisible keystrokes such as function keys, so that the viewer can see exactly what a user did during recording.
A digital watermark is called imperceptible if the watermarked content is perceptually equivalent to the original, unwatermarked content. [7] In general, it is easy to create either robust watermarks or imperceptible watermarks, but the creation of both robust and imperceptible watermarks has proven to be quite challenging. [2]
The Crown CA watermark found on many British Commonwealth stamps (seen from the reverse) A US postal stationery envelope from 1883 showing a clear watermark on laid paper In philately , the watermark is a key feature of a stamp, and often constitutes the difference between a common and a rare stamp.
WPS Office (an acronym for Writer, Presentation and Spreadsheets, [3] previously known as Kingsoft Office) is an office suite for Microsoft Windows, macOS, Linux, [4] iOS, [5] Android, [6] Fire OS and HarmonyOS [2] developed by Chinese software developer company, Kingsoft Office Software.
If the data file to be retrieved is an image, the provider can embed a watermark for protection purposes. The process allows tolerance to some change, while still maintaining an association with the original image file. Researchers have also developed techniques that embed components of the image within the image.
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
Other variations in the form included sending the PowerPoint file electronically to another site and talking through the slides over an audio or video channel (e.g., telephone or video conference) as both parties viewed the slides. ... Another common variation was placing a PowerPoint file on a web site for people to view at different times.