To store matte information, the concept of an alpha channel was introduced by Alvy Ray Smith in the late 1970s, and fully developed in a 1984 paper by Thomas Porter and Tom Duff.

In the late summer of 1984, the Soviet Union also prevented a visit to West Germany by East German leader Erich Honecker.

Fighting in Afghanistan also intensified, but in the late autumn of 1984 the United States and the Soviet Union did agree to resume arms control talks in early 1985.

Spain, Portugal ( 1974 ), and several of the military dictatorships in South America returned to civilian rule in the late 1970s and early 1980s ( Argentina in 1983, Bolivia, Uruguay in 1984, Brazil in 1985, and Chile in the early 1990s ).

Ultimately, the name change campaign lasted for a three year period from 1982 to 1984 ( Datsun badged vehicles had been progressively fitted with small " Nissan " and " Datsun by Nissan " badges from the late 1970s onward ) until the Nissan name was given prominence in 1983-although in some export markets vehicles continued to wear both the Datsun and Nissan badges until 1986.

* 1984 – Konstantin Chernenko succeeds the late Yuri Andropov as general secretary of the Communist Party of the Soviet Union.

The 1984 mockumentary This is Spinal Tap, a comedy based around a fictional 1970s rock band, was filmed in the style of a documentary and includes such details as fake album covers and historical videos done in the styles of the late 1960s and 1970s.

This was mainly due to the song " I Am What I Am ", which became a hit at dance clubs, and then on the Club Play chart in late 1983 / early 1984.

However, in late autumn of 1984, the U. S. and the Soviet Union did agree to resume arms control talks in early 1985.

Chernenko did not return to the Kremlin until the late autumn of 1984.

In training for that race, the late Stefan Bellof set the all-time lap record for the Nordschleife in his Porsche 956, which is still unbeaten at 6: 11. 13, or over on average ( partially because no major racing has taken place there since 1984 ).

He was released from house arrest in late 1984 and ordered back to his native village of Owando.

Medley also had solo success: In 1984, he scored country hits with " Till Your Memory's Gone " and " I Still Do " ( which crossed over to the adult contemporary charts and later became a " cult " hit with the Carolina Beach / Shag dance club circuit ); and in late 1987, his duet with Jennifer Warnes — "( I've Had ) The Time of My Life ", which appeared on the soundtrack for Dirty Dancing — topped the Billboard Hot 100 and won both an Academy Award and a Golden Globe Award for Best Original Song for a Motion Picture ( for the three songwriters, which did not include Medley ) as well as a Grammy Award for Best Pop Performance by a Duo or Group with Vocals ( which, of course, did ).

* 1981 – Roland TB-303 The Bass Line is a synthesizer with built-in sequencer manufactured from late 1981 to 1984.

By the late 1980s, the capacity of the South Korean motor industry had increased more than fivefold since 1984 ; it exceeded 1 million units in 1988.

Breakwater Construction in Seosan coast ( 1984 ) The result was that South Korean construction companies concentrated on the rapidly growing domestic market in the late 1980s.

Carter Winston, from " The Survivor ", has a small but important role late in the 1984 tie-in novel The Final Reflection by John M. Ford.

Let It Be < nowiki >'</ nowiki > s release had attracted attention from the major record labels, and by late 1984 several had expressed interest in signing the Replacements.

Filmed in late 1983 and early 1984, the primary plot centres on two families, the Kemps and the Becketts, as an international crisis between the United States and the Soviet Union erupts and escalates.

With competition from digital and polyphonic synthesizers and the introduction of MIDI, production of Rhodes instruments ended in late 1984.

In late January 1984 the gradual decline in his health that characterized his tenure suddenly intensified due to growing intoxication in his blood, as a result of which he had periods of failing consciousness.

While driving his car in late 1984 in this state of frustration, Simon listened to a cassette of the Boyoyo Boys ' instrumental " Gumboots: Accordion Jive Volume II ".

A few of the great famines of the late 20th century were: the Biafran famine in the 1960s, the disaster in Cambodia in the 1970s, the Ethiopian famine of 1984 – 85 and the North Korean famine of the 1990s.

" These pseudonyms include: Jamie Starr and The Starr Company ( for the songs he wrote for The Time and many other artists from 1981 – 1984 ), Joey Coco ( for many unreleased Prince songs in the late 1980s, as well as songs written for Sheena Easton & Kenny Rogers ), Paisley Park ( occasionally used in the early 1990s for his production credits on songs, including those written for Martika and Kid Creole ), Alexander Nevermind ( for writing the 1984 song " Sugar Walls " by Sheena Easton ), and Christopher ( used for his song writing credit of " Manic Monday " for The Bangles ).

1 CDO BN was the subject of controversy in 2003 when it was barred by the Ministry of Defence from the annual Singapore Armed Forces Best Unit Competition, due to the discovery of irregularities in late 2002 within the logistics records of one of the sub-units of the battalion.

Around AD 75, work on the civitas forum and basilica had commenced on the site of the former principia and by the late 2nd century the civitas walls had been completed.

As the early modern period commenced in the late 15th century, many changes began to shock Europe that would have an effect on the production of grimoires ; the historian Owen Davies classed the most important of these as being the Protestant Reformation and subsequent Catholic Counter-Reformation, the witch-hunts and the advent of printing.

Dál Riata flourished from the time of Fergus Mór in the late fifth century until the Viking incursions that commenced in the late eighth century.

The program formally commenced in 1972, although the concept had been explored since the late 1960s, and was the sole focus of NASA's manned operations after the final Apollo and Skylab flights in the mid-1970s.

He commenced these exercises in late 1941 and continued them well into the summer of 1942.

Efforts to preserve the region as a national park commenced in the late 19th-century and in 1929, Grand Teton National Park was established, protecting the major peaks of the Teton Range.

From the late stages of this notable period of high growth and huge development effort started in the 1950s, was the construction of Cahora Bassa dam by the Portuguese, which started to fill in December 1974 after construction was commenced in 1969.

Suburbs in Canberra Central ( often referred to as North Canberra and South Canberra ) were further developed in the 1950s, and urban development in the districts of Woden Valley and Belconnen commenced in the mid and late 1960s respectively.

From the late stages of this notable period of high growth and huge development effort started in the 1950s, was the construction of Cahora Bassa dam by the Portuguese, which started to fill in December 1974 after construction was commenced in 1969.

During the 1070s, a struggle for power commenced between King Solomon and his cousins ( sons of the late Béla I ).

The Israeli-Lebanese conflict commenced in the late 1970s.

On a late night in September 2007, an undercover operation to put a halt to the drag racing was commenced, and up to 62 people were caught participating in a major drag race gathering.

Building commenced in 2005 and it is anticipated that occupation will commence late in 2006 with the main development of 10, 500 units being completed within a ten year timescale.

The draining of Norfolk's coastal marshes commenced in the late 17th and 18th centuries, and sea defences including the " Old Lord's Bank " at Titchwell were shown in maps from 1786 and 1797.

This commenced in late February 1991 and over the course of the ‘ hundred hours ’ combat of Operation Desert Storm, these soldiers carried out their orders and executed their missions that resulted in the crushing of Saddam Hussein ’ s Republican Guards.

Deciding to revive Captain Scarlet in the late 1990s, Gerry Anderson supervised the production of a computer-animated reboot series, Gerry Anderson's New Captain Scarlet, which commenced broadcast in the United Kingdom in 2005.

The band commenced their eight-date tour in late July in Jisan, South Korea and finished up at the Summer Sonic festival in Tokyo, Japan on 14 August 2011.

Quarrying for granite commenced in the district in the late 1850s by the brothers Joseph and John Flett Loutitt who were from the Orkney Islands.

From late 2003 discussions commenced on a merger between Telewest and NTL.

* Odo the Great ( 688 – 735 ), his reign commenced perhaps as late as 692, 700, or 715, unclear parentage

" The film underwent more than five months of post-production tinkering, including the removal of numerous scenes and the production number " I Like ' em Big and Stupid " ( a different version of the song plays in the club ; the deleted sequence appears on the DVD extras ) and reshoots later commenced ( the song "' Cause I'm a Blonde " was injected into the film late in the game ), by which time the De Laurentiis Entertainment Group had filed for bankruptcy.

Building commenced in 2005 and it is anticipated that occupation will commence late in 2006 with the main development of 10, 500 units being completed within a ten year timescale.

Viking influence in the area commenced in the late 8th century, and whilst there is no doubt that the Uí Ímair dynasty played a prominent role in this early period, the records for the dates and details of the rulers are speculative until the mid-10th century.

By the late 1990s, only four vehicles were sold under the Plymouth name: the Voyager / Grand Voyager minivans, the Breeze mid-size sedan, the Neon compact car, and the Prowler sports car, which was to be the last model unique to Plymouth, though the Chrysler PT Cruiser was conceived as a concept unique to Plymouth before production commenced as a Chrysler model.