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The scope of the terms Y′UV, YUV, YCbCr, YPbPr, etc., is sometimes ambiguous and overlapping. Y′UV is the separation used in PAL.; YDbDr is the format used in SECAM and PAL-N, unusually based on non-gamma-corrected (linear) RGB, making the Y component true luminance.
Pixel formats used in Y'CbCr can be referred to as YUV too, for example yuv420p, yuvj420p and many others. In a similar vein, the term luminance and the symbol Y are often used erroneously to refer to luma, which is denoted with the symbol Y'. The luma (Y') of video engineering deviates from the luminance (Y) of color science (as defined by CIE).
Search engine optimization (SEO) is the process of improving the quality and quantity of website traffic to a website or a web page from search engines. [ 1 ] [ 2 ] SEO targets unpaid search traffic (usually referred to as " organic " results) rather than direct traffic, referral traffic, social media traffic, or paid traffic .
Specific applications of search algorithms include: Problems in combinatorial optimization, such as: . The vehicle routing problem, a form of shortest path problem; The knapsack problem: Given a set of items, each with a weight and a value, determine the number of each item to include in a collection so that the total weight is less than or equal to a given limit and the total value is as ...
Search optimization may refer to: Local search (optimization), a heuristic method for solving computationally hard optimization problems; Location search optimization (LSO), improving the visibility of a website through location-enabled devices; Search and optimization, searches that begin with some form of a guess and then refine the guess ...
Google and all major search engines disregard such links when calculating link popularity. Certain Wikipedia pages, including all unreviewed new articles, use the noindex robots meta tag value to prevent search engine indexing. You may place appropriate links on some of these pages, but doing so will not help your rankings in any of the popular ...
SEO commentators initially believe that this will have a major effect on search engine optimization, but soon revise downward their estimate of the impact. [36] [64] November: 1: New web search engine: Blekko, a search engine that uses slashtags to allow people to search in more targeted categories, launches. [65] 2011 February: 23–24: Search ...
Local search engine optimization (local SEO) is similar to (national) SEO in that it is also a process affecting the visibility of a website or a web page in a web search engine's unpaid results (known as its SERP, search engine results page) often referred to as "natural", "organic", or "earned" results. [1]