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 ).

These deliberate acts of violence against civilians were acknowledged by the CIA as early as late 1983, when Duane Clarridge, Latin America division chief of the CIA ’ s Directorate for Operations, reported in a secret briefing to the Senate subcommittee that his contras had murdered " civilians and Sandinista officials in the provinces, as well as heads of cooperatives, nurses, doctors and judges.

Several heads of state and their consorts, as the foremost representatives of their nations, gather at the Funeral of Pope John Paul II | funeral for the late Pope John Paul II in 2005.

The French Benedictine monks of the Keur Moussa Abbey ( Senegal ), who possibly were the first to introduce guitar machine heads instead of leather rings in the late seventies, conceived a method based on scores to teach the instrument.

Starting in the late 1970s, male skinheads typically shaved their heads with a # 2 grade clip or shorter.

The other branch became the anthracotheres, a large family of four-legged beasts, the earliest of whom in the late Eocene would have resembled skinny hippopotamuses with comparatively small and narrow heads.

These Michigan graduates include the discoverer of several new australopithecine species, the first paleoanthropologist to debunk the hominid status of Ramapithecus, the leaders in the study of late Pleistocene European evolution, three past or present chairs ( or heads ) of anthropology departments, and the past president of the American Association of Physical Anthropologists, and the editor of the American Journal of Physical Anthropology.

* Naish Priory corbelled heads of Henry IV and Joanna celebrating their marriage, at the manor of Mary de Bohun's late and powerful great-aunt, Margaret de Bohun

After the heads of Sebastianus and Jovinus arrived at Honorius ' court in Ravenna in late August, to be forwarded for display among other usurpers on the walls of Carthage, relations between Ataulf and Honorius improved sufficiently for Ataulf to cement them by marrying Galla Placidia perhaps at Narbo in early 414, but Jordanes says he married her in Italy, at Forlì ( Forum Livii ).

By the late 1980s, thanks to such improvements in the electronics, the tape material and manufacturing techniques, as well as dramatic improvements to the precision of the cassette shell, tape heads and transport mechanics, sound fidelity on equipment from the top manufacturers far surpassed the levels originally expected of the medium.

Another late appearance ( c. early 1995 ) was as one of several " talking heads " on a 30-minute documentary produced by the pop group Pulp ( to promote their single Do You Remember The First Time ) talking about the experience of losing your virginity.

The late Baroque Austrian sculptor Franz Xaver Messerschmidt turned to Neoclassicism in mid-career, shortly before he appears to have suffered some kind of mental crisis, after which he retired to the country and devoted himself to the highly distinctive " character heads " of bald figures pulling extreme facial expressions.

Both species are unusual in that they mainly grow only in spring, which means that the flower heads ( which blossom in late summer ) are outside the bulk of the foliage and very visible.

They have large, showy heads of composite flowers, blooming from early to late summer.

His breakthrough came with the 1944 triptych Three Studies for Figures at the Base of a Crucifixion, and it was this work and his heads and figures of the late 1940s through to the mid 1950s that sealed his reputation as a notably bleak chronicler of the human condition.

As recently as the late 19th century some bound the heads of infants, resulting in the distinctively shaped foreheads seen in Classic Maya art.

Arms of William Canynges, as depicted on his canopied tomb in St Mary Redcliffe: Argent, 3 Moors | Moor's heads couped in profile Tincture ( heraldry ) | proper wreathed around the temples of the first and azure ) The shape of the shield, being a late Tudor ( 16th. c or later ) escutcheon ( heraldry ) | escutcheon suggests this is a later addition or possibly repainting.

The engines were so close in design that, with a few modifications, the Lotus head can be fitted to the Vauxhall block ; engines with Lotus heads were used in Vauxhall's dealer team race and rally programmes until the late 1970s.

Catherine Weaver is first seen in the second season opener when she purchases the late Andy Goode's Turk computer system for $ 300, 000 from an associate and then introduces this new computer system to her department heads to reveal her plans to create a new artificial intelligence computer system.

The many goldenrod species can be difficult to distinguish, due to their similar bright, golden yellow flower heads that bloom in late summer.

A variation of the omega wrap, such as that used by Echo Science Corporation of Mountain View, California in its instrumentation and high resolution video recorders in the late 1970s and 1980s, wrapped the 1-inch tape about 190 degrees around the two-headed drum, so there was signal overlap between the two heads.

During the late 1960s Akai adopted Tandberg's cross-field recording technologies ( using an extra tape head ) to enhance high frequency recording and switched to the increasingly reliable glass-ferrite " epitaXial " ( GX ) heads a few years later.

The serpent heads were destroyed as late as the end of the 17th Century, as many Ottoman miniatures show they were intact in the early centuries following the Turkish conquest of the city.

Cylinder heads in late 2011

During the late Republic the rostra was used as a place to display the heads of defeated political enemies.