Palm Spring City News At 18:41 pm on April 1, 2003, the legendary Leslie Cheung quietly left at the age of 46. In order to reproduce Leslie Cheung's classic works, at 8 pm on April 1, the "Leslie Cheung's 2000 "Hot Love" Concert Ultra-Definition Repair Edition" was premiered worldwide by the top algorithm team of Tencent Cloud Multimedia Laboratory, Tencent Music Entertainment Group and Global Music's brand Polygin, and jointly presented by Tencent Cloud, WeChat Video, Tencent Video and other teams.
"Hot Love" concert masterpiece has always been treasured on Polygon Records. Thanks to the support of digital repair technology, this "Symbol of the Times" that has been blocked for 21 years has been unlocked for the first time. Through live broadcasts on platforms such as WeChat Video, Tencent Video, and Tencent Music Entertainment Group, it has relived the peerless style on Leslie Cheung's stage.

Dust-covered master belt was repaired for the first time
is limited by the storage medium of shooting equipment and video materials. Polygon has collected 21 years of "Hot Love" concert master belt and the "Hot Love" concert version circulating on the Internet, the video quality is generally poor. At the beginning of this year, Tencent Music Entertainment Group and Universal Music decided to start the mastering work of the "Hot Love" concert through multimedia laboratory restoration technology.
took months of preparation, and the masterpiece of the "Hot·Love" concert was repaired for the first time and was broadcast globally on April 1. "Keep the warmest side of the world, keep warm and spend the coldest day..." In the live broadcast room, many fans put Leslie Cheung's classic lyrics on the public screen to express their nostalgia for Leslie Cheung and his classic works.
"Leslie Cheung was able to achieve self-breakthrough in the concert and face himself sincerely, which is one of the reasons why he cannot be replaced in the Chinese music scene." Music critic Ding Huifeng said that a lot of the content displayed in the concert of "Hot Love" is very advanced, and even in 2022, if you look back, you will still feel that this concert is very amazing.
At present, the video account "Yinyuehui" ecosystem is booming. In December last year, Westlife's first online live concert appeared on the video account, attracting more than 27 million people to watch. At the beginning of 2022, WeChat Video Account and the Central Committee of the Communist Youth League jointly held a large-scale live broadcast of "Chasing the Light", and the "Chasing the Light" concert also brought strength and warmth to many audiences at the beginning of the new year.
In addition, musicians such as Chen Hongyuhua have also held "online concerts" on the video account platform. In addition, many medium and long-tail music creators continue to release short video works and carry out live broadcasts, and high-quality music content is constantly being presented to video account users. "You can listen to live and watch concerts by opening the video account" is becoming the daily life of more and more people.

Technical challenge behind the repair of "Immersion"
"With the accumulation of technology such as the laboratory's repair engine, the clarity of the concert video can be greatly restored. However, for problems such as fast color and picture switching in concert videos, coupled with low clarity of video materials, how to repair the old as before and bring the audience the immersive experience that is integrated into it is a big challenge for the team." Xia Zhen, an expert researcher at Tencent Cloud Multimedia Laboratory, said.
After many research and technical verifications, Xia Zhen and his team have set a hard standard for this repair work, that is, the repaired images can bring a live viewing experience to the fans of the Rongji fans. The technical code to unlock this "key of time" is the ultra-clear immersion repair engine of the multimedia laboratory.
Tencent Cloud Multimedia Laboratory has accumulated complete solutions and leading technical levels in the fields of multimedia data transmission and compression, smart fusion media, interactive immersive media, etc. It also has a deep technical accumulation in the field of image repair, and has a number of industry-leading old film repair technologies such as ultra-clear immersive repair engines.
To create a face-to-face effect for people, the laboratory team also made special algorithmic adjustments to the details of Leslie Cheung's concert. A static image of Leslie Cheung in the center of the stage was captured from the repaired video. After zooming in, it seemed that the outline of the refracted image of the stage could be seen through his eyes. "During the repair process, my brother's smile gradually appeared in front of me, which also touched me deeply. I was also very happy to be able to make some contributions to the inheritance of classic images through technology."Xia Zhen said.

technology has great potential to help the inheritance of classic culture.
"Hot Love" concert's ultra-high-definition restoration version of the live broadcast of the ultra-high-definition restoration version reflects that China has a large number of classic film and television dramas and cultural images that need to be repaired urgently. At present, digital technology is becoming an important driving force for driving cultural heritage and promoting the development of the ultra-high-definition video industry.
The "Action Plan for the Development of Ultra-high-definition Video Industry" jointly issued by the Ministry of Industry and Information Technology, the State Administration of Radio and Television, and the China Central Radio and Television Station clearly states that by 2022, the total scale of the ultra-high-definition video industry will exceed 4 trillion yuan, and the production of ultra-high-definition content will exceed 30,000 hours per year. However, in the ultra-high-definition content production end, there are pain points such as high cost and low efficiency of ultra-high-definition content production, classic old films and videos to high-definition high-definition, which has become a restriction on the development of the industry. Key factors.
At present, Tencent Cloud Multimedia Laboratory has formed a relatively complete matrix of intelligent old film repair technology. In addition to Leslie Cheung's "Hot Love" concert, he also deeply participated in the high-definition repair work of classic film and television dramas and precious historical images such as "Kangxi Dynasty" and "The World".
Dr. Liu Shan, an outstanding scientist of Tencent and general manager of Tencent Cloud Multimedia Laboratory, said that Tencent Cloud Multimedia Laboratory will continue to explore the social value of digital technology in the future, promote the application of multimedia technology in multiple industrial fields, while practicing Tencent's sustainable social value innovation and helping the inheritance of classic culture.
Kunming Daily All Media Chief Reporter: Li Sifan
Editor: Huang Lu
Editor: Fu Yali
Final review: Zhou Jianjun