Memory is inherited in a more "clear" way

Can memory be fixed?

In 2022, Douyin brought a new answer to this question.

At 7 pm on July 3rd, the Douyin & Volcanic Engine Super Clear Repairing Beyond 1991 Life Council Performance Selection and Memorial Performance Selection, live broadcast on Douyin, Watermelon Video, Today's Headline, Fresh Time TV Platform.

In many post -8090s hearts, Huang Jiaju's appearance has gradually blurred, but his melody, spirit and belief will always be clear.

This time, the appearance and spirit appeared in front of the fans at the same time in a clearer attitude.

Under technical support, "old film" is becoming clearer

"Glorious Years", "Sea Wide Sky", "Like You", "No more hesitation" ... At the concert, the appearance of classic songs made people seem to return to the once "that summer".

Unlike previous image materials, this time, the "summer" in the eyes of the audience became clearer.

In terms of picture quality, the volcanic engine multimedia laboratory has algorithms such as increasing sharpness and defect repair, partitioned color brightness, adaptive portrait enhancement, etc., to deal with problems such as noise, screen blur, and color distortion caused by the backward software and hardware equipment.

In response to the problems of sound quality, noise interference, insufficient bandwidth, etc., the volcanic engine audio technology team eliminates noise and improves sound quality through audio noise reduction, audio overfuration and loudness algorithm.

The realization of the above effect is not an easy task.

Early concert sources may introduce various definition and flaws in the process of production, compression, and transmission. In the shooting, the resolution of the early video equipment was poor, the screen resolution of the screen was low and the sharpness was poor, and there were problems such as blurred pictures and lack of texture. Essence In the compression storage, early films generally use interlaced scanning to process, encodes, and display. This method will bring a problem of defects of staggered stripes, which will have a great impact on the beauty and integrity of the picture. The low compression efficiency of the video encoder will cause the problem of compression noise and texture.

This means that it is difficult for algorithm to deal with as many details while recovering as many details as possible.

How did they break through these difficulties?

In terms of definition, the platform repair ability is based on deep learning algorithms trained on a large amount of data. It can process the resolution gear of the video from low -level processing to ultra -high -definition. At the same time In the elimination of defects, the algorithm uses motion compensation -based deep learning multiple frames to cross -handed algorithms to solve the brushes and horizontal patterns of the interval scanning format. Content; in addition, the noise design caused by shooting, compression, etc. has been specially designed, combined with the robust advantages of traditional signal processing and the performance advantages of deep learning.

The volcanic engine has accumulated a lot of technical advantages in this field, making the effects repaired more clear and realistic.

For example, the volcanic engine multimedia laboratory has enhanced the adaptive brightness according to the aesthetic scores in accordance with the aesthetic scores in accordance with the aesthetic scores, and enhanced the color statistical information according to the color statistical information of different frames, and the background areas. Both the bright and dark areas can get the best performance.

In addition, the picture quality repair technology team was born 90 years later, such as Beyond's "Sea Wide Sky", "Glorious Years", "Really Love You". They have heard from childhood. So when they received the old images of Beyond concerts, they were all very excited, hoping that they would present a clear and vivid concert as much as possible to everyone through the algorithm.

"When the pseudo -like pseudo -like layers of the sources of the film, a little restore the kind of lively atmosphere in the concert, we have an immersive feeling." A volcanic engine engineer who personally participated in it said.

More people participate, "mental nutrients" make "cultural soil" deeper

Beyond held a "Beyond Life In contact concert" at the Hong Kong Red Survey Stadium. It was the most successful concert held by Beyond during the Huang Jiaju period. Most of the Beyond singing screens that the world's BEYOND fans learned from the concert. The arranging, solo, etc. in this concert have become the enlightenment of many people.

In December of the same year, the audio album and video of the concert were released, which included most Beyond classic tracks except "The Wide Sky". It was widely released in the Mainland.

The new repair video repair technology is making more "memory" clear.

In October last year, after launching the "Special of the Protection of Ancient Books", the ancient book characters were "beating", and watermelon videos released the "Classic Video 4K Repair Plan". 4K repair and dissemination of the work can achieve "new life" in classic film and television works, and open the channel for the inheritance and dissemination of excellent culture.

Can you make more works be well repaired?

The answer is yes.

In recent years, the AI ​​repair technology has gradually matured, which has greatly reduced the difficulty and costs of dehuminating, blurring, and scratches. The volcanic engine has an independent video quality assessment system, which is customized for each work to achieve the best repair effect. The entrance will also be opened to provide AI repair support for ordinary users for free. Watermelon videos also announced that valuable old videos provide in -depth public welfare restoration. "We hope that the good content of the previous era can still glow with the same glory today. We also welcome other copyright owners to contact us. For old videos with historical materials, we will also provide free high -definition repair." Said the person in charge of watermelon video.

Douyin actively devoted himself to the public welfare activity of repairing old videos, which is great to relieve the dilemma of classic video works.

This is an enterprise's responsibility of social responsibility, and it is also the awe and nursery of technology in culture. The mission of technology is not only to tap business value, but also actively pursue social benefits. In this sense, Douyin has done a good leading role.

The 4K repair of classic works is a reproduction of the classic, the awakening of memory, and to promote the extension of culture. The injection of more new technical forces and the participation of more people not only reduce the obstacles of classic circulation, but also make the historical marks and cultural cores of these classic works clear and clear.

From the data point of view, the audience recognizes such a way of spreading. This time the ultra -clear Beyond's 1991 life came to the concert. In just a short day, more than 140 million people watched.

It is foreseeable that with technical support, with the repair and dissemination of more classic works, the soil of culture will inevitably become deeper. More "memory" full of mental nutrients will become clearer.

Cover reporter Guo Wenjuan

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