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Basics of image editing. Raster images are stored in a computer in the form of a grid of picture elements, or pixels. These pixels contain the image's color and brightness information. Image editors can change the pixels to enhance the image in many ways. The pixels can be changed as a group, or individually, by the sophisticated algorithms ...
Foreground detection. Foreground detection is one of the major tasks in the field of computer vision and image processing whose aim is to detect changes in image sequences. Background subtraction is any technique which allows an image's foreground to be extracted for further processing (object recognition etc.).
Removal of non-free images. Shortcuts. WP:RFUI. WP:FUIR. The ninth item of Wikipedia’s policy for non-free content states that non-free images should only be used in the article namespace (not disambiguation pages), and goes further into the underlying reasons for the policy. This issue is important because copyright complaints are a very ...
A component of Vietnam's strategy to control the Internet consists of the arrest of bloggers, netizens and journalists. [21] [22] The goal of these arrests is to prevent dissidents from pursuing their activities, and to persuade others to practice self-censorship. Vietnam is the world's second largest prison for netizens after China.
Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [4] The organization produces short video lessons. [5] Its website also includes supplementary practice exercises and materials for educators.
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio .
Background. In 1974, the Health and Safety at Work Act laid down general principles for the management of health and safety at work in Britain. This legislation, together with the establishment of the Health and Safety Executive (HSE) and Health and Safety Commission (HSC) (now merged), led to more emphasis being placed on occupational safety and health by UK employers from the mid-1970s onwards.
Global Infectious Diseases and Epidemiology Online Network ( GIDEON) is a web-based program for decision support and informatics in the fields of Infectious Diseases and Geographic Medicine. [1] Due to the advancement of both disease research and digital media, print media can no longer follow the dynamics of outbreaks and epidemics as they ...
Consumer electronics store. Yodobashi electronics store in Japan. A consumer electronics store, in the United States and some other countries, is a physical store that sells consumer electronics. As technology has progressed, the United States has known variations such as phonograph dealers, radio stores, hi-fi stores, stereo stores, and audio ...
The AnyDVD program runs in the background, making discs unrestricted and region-free. In addition to removing digital restrictions, AnyDVD will also defeat Macrovision analog copy prevention . Analog prevention distorts the video signal to prevent high quality copying from the output.