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The Gaussian pyramid is a technique in image processing that breaks down an image into successively smaller groups of pixels to blur it. It is named after German mathematician Johann Carl Friederich Gauss. This type of precise mathematical blurring is used extensively in artificially intelligent computer vision as a pre-processing step. For instance, when a digital photograph is blurred in this way, edges of objects are easier to detect, enabling a computer to identify them automatically....

A reserved word may refer to any of the following: Often found in programming languages and macros, reserved words are terms or phrases appropriated for special use that may not be utilized in the creation of variable names. For example, “print” is a reserved word because it is a function in many languages to show text on the screen. Reserved words are used in operating systems as a method of identifying a device file or another service....

Viewer may refer to any of the following: A program that allows a user to display a file type or multiple file types. For example, a viewer may be capable of allowing a computer user to display a word processor document without having the word processor program installed. With a video or website showing videos, a viewer is one person who has viewed a video. For example, after you’ve watched a YouTube video, its total views are increased by one view....

About may refer to any of the following: In general, about is a description of something. For example, see our about us or about page (about Computer Hope) for additional information about Computer Hope. Questions and answers on Computer Hope. About is a term that describes the about box. Founded in 1996 as The Mining Company, later renamed to About.com in 1999 and then later renamed to Dotdash on May 2, 2017....

Formerly known as AirTunes, AirPlay was released by Apple in June 2004 and allows for wireless streaming of audio and other media between devices (e.g., iPods, iPads, Apple TVs, and iTunes). The system is designed to allow media, such as music, to be sent from one device and played on another device. AirPlay also allows users to take advantage of other media devices that are available (perhaps allowing for greater volume levels or other advantages)....

Alternatively called the counting frame, an abacus is a mechanical device used to assist a person in performing mathematical calculations and counting. Who built the first abacus? It is still unknown who invented and built the first abacus and when it was built. There is evidence of the abacus used in Mesopotamia going back as early as 2700 B.C., for use with their sexagesimal numbering system. The abacus was also used in other early civilizations, including the Chinese, Egyptian, Greek, Persian, and Roman civilizations....

Short for extremely low frequency emissions, an ELF emission is a magnetic emission given off by electrical appliances. Because it is not yet known if these emissions are harmful to humans over long periods of times, some governments created standards for reducing ELF emissions. Computer abbreviations, EMF, Radiation, Video terms Related information Monitor, LCD, and display help and support.

Named to resemble “archive,” Archie is considered to be the first search engine. The search engine script was written by Alan Emtage, Bill Heelan, and Mike Parker at McGill University in Montreal, and released on September 10, 1990. Unlike a web search engine, Archie was used to find files stored on anonymous FTP sites. Internet terms, Search engine, Veronica Related information How to find information on the Internet. Listing and examples of popular Internet search engines....

Released in 2017, Cameo is a crowdsourced entertainment service that allows users to request personalized videos from mainstream celebrities and other noteworthy personalities. When a user makes a request, the creator has the option to accept it by filming a short video message following the provided instructions. Completed requests are visible to the public or sent privately to the customer. Cameo’s creators include actors, musicians, athletes, YouTubers, and other popular influencers on traditional or social media....

Difficulty Difficult Steps 6 Time Required 25 - 45 minutes Sections 2 LCD Screen 4 steps Lens 2 steps Flags 3 Bullets! Better coordination with markups and the color/type of bullets will help make this guide more clear! Needs Better Images Better photos will improve this guide. Help out by taking, editing, or uploading new ones! Markup Mishap This guide needs better markups. Help out by correcting or making some markup annotations....

Difficulty Moderate Steps 7 Time Required 3 minutes Sections 4 Back Panel 3 steps Loud Speaker 1 step Sony Xperia TL Auxiliary Cord Replacement 1 step Battery Harness 2 steps Flags 2 Missed a Step Oops! This guide is currently missing some important steps. Missing Details Some of this guide’s details are missing. Help users by adding tools, difficulty, or time. BackSony Xperia TL Full Screen Options History Save to Favorites...

Difficulty Easy Steps 5 Time Required 5 - 10 minutes Sections 1 Remote Motherboard 5 steps Flags 0 BackSONY ZS-BTG900 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction To fix this, and extend the life of your device’s remote, this guide will show you how to replace the circuit board. What you need Step 1...

Difficulty Easy Steps 4 Time Required 5 minutes Sections 1 bulb replacement 4 steps Flags In Progress This guide is a work in progress. Reload periodically to see the latest changes! BackSanyo pro extraX multiverse projector Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Step 1 bulb replacement Remove one 9mm screw with a Phillips 2 screwdriver....

Below is a short list of recommendations to help protect your laptop from being stolen and eliminate stress if it does get stolen. Protect Keep track of important data Write down the computer serial number and model number, the support phone number, and other useful details about the computer and store that information in your files. Keep the receipts of your computer and associated equipment. This information comes in handy when you need to report the laptop as stolen....

Difficulty Easy Steps 3 Time Required 10 - 20 minutes Sections 1 Back Panels 3 steps Flags 0 BackSwagTron T1 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Back Panels Ensure that the SwagTron is off. Turn the SwagTron upside down to see the underside. Ensure that the SwagTron is off....

Student-Contributed Wiki An awesome team of students from our education program made this wiki. No matter what position the on/off switch is in your TI-5130 won’t turn on. It is possible that the TI-5130 has come unplugged, or you have a blown fuse. Make sure that the calculator is plugged into a live outlet. Power cords can be damaged over time by pets, desk chairs and other equipment. Check that the power cord is not kinked or broken; such as chew marks from pets or a pinched wire....

Name: Theodore Harold “Ted” Maiman Born: July 11, 1927, Los Angeles, California, USA Death: May 5, 2007 (Age: 80) Computer-related contributions American physicist. Made the first laser (light amplification by stimulated emission of radiation). Significant publications The Laser Odyssey, which describes the events surrounding the creation of the first laser. Honors and awards Stuart Ballantine Medal (1962). Wolf Prize in Physics (1983). Japan Prize (1987).

Difficulty Easy Steps 11 Time Required 20 minutes - 1 hour Sections 1 TI-60 Calculator Disassembly 11 steps Flags 2 In Progress This guide is a work in progress. Reload periodically to see the latest changes! Member-Contributed Guide An awesome member of our community made this guide. It is not managed by iFixit staff. BackTI-60 Calculator Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link...

Difficulty Moderate Steps 6 Time Required 10 - 15 minutes Sections 2 Top Panel 3 steps Fan 3 steps Flags 0 BackToshiba HD-A2 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Top Panel Remove the three 6mm Phillips head screws on the back of the DVD player with a Phillips #1 screwdriver....

Difficulty Moderate Steps 29 Time Required 20 minutes Sections 8 Battery 2 steps Optical Drive 3 steps CD Drive 2 steps Wi-Fi/Memory Cover 2 steps Wi-Fi Card 4 steps Keyboard 5 steps Display Assembly 6 steps Upper Case 5 steps Flags 2 Bullets! Better coordination with markups and the color/type of bullets will help make this guide more clear! Needs Better Images Better photos will improve this guide. Help out by taking, editing, or uploading new ones!...