Gnawing Thesis Club | Compression Algorithm Team: How We Conduct Learning Research on Compression Algorithms

About OpenHarmony Thesis Club Compression Algorithms Team

Hello everyone! I am a sophomore majoring in transportation at Shanghai University of Engineering and Technology, and I am the leader of the compression algorithm team in the OpenAtom OpenHarmony (hereinafter referred to as "OpenHarmony") dissertation club. The team members are Chu Yifan-Hefei Teachers College, Gao Yunfan-Chengdu University of Information Technology, Zhao Hongbo-Tsinghua University, Gao Hongxuan-Heilongjiang University, Zhang Zhiteng-Shandong University. Below, on behalf of the OpenHarmony Papers Club Compression Algorithm Team, I will share with you what we learned from the OpenHarmony Papers Club activities. Up to now, we have output 17 development technology articles on 51CTO, CSDN, InfoQ, oschina and other development technology platforms and have won 100,000+ pageviews. In addition, our team has also received invitations from a number of industry publishers to publish books, become the "Open Source Star" of the OpenHarmony Open Source Contributor Program, and the Developer's Guide to Star University developers. You can log in to https://ost.51cto.com/column/84 to view the development technical achievements published by the compression algorithm team.

Choose the right scientific research path and devote yourself to learning

An OpenHarmony knowledge empowerment live class at the beginning of the year made us become acquainted with the OpenHarmony growth plan and thesis club. The growth path of "gnawing papers (documents) - technical article output - open source code submission - promotion as a technical expert" deeply attracted me, In addition, the guidance of technical experts, the large-scale promotion of technical/guidance book publishing for developers across the country, and the olive branch for employment in famous enterprises have made us choose to invest in the OpenHarmony Growth Plan and thesis club activities without hesitation. After more than three months of study, our team summed up the difference between the dissertation club and on-campus study. You can refer to the figure below to understand the unique charm of the OpenHarmony growth plan and the dissertation club.

Select technical direction team according to interest

The Thesis Club has subdivided 12 categories: JSON, compression algorithm, kernel CMA, data management, soft bus communication, etc. Since I am more interested in "compression algorithm", I firmly choose compression with a passion for struggle. The algorithm technology team volunteered to serve as the team leader.

Form a compression algorithm team to achieve efficient team cooperation

The initial compression algorithm team was like a start-up company. As the team leader, I needed to assign work according to the skills and different personalities of each team member and supervise the implementation of the work. The daily specific work of the team includes translation and proofreading of the thesis content, team face design, collaborative ideological guidance, team building, inter-departmental collaboration, resource sorting, testing and reproduction of project processes, and platform release. In the later stage, in order to speed up the overall learning progress of the department, I divided the team work into three main directions, each direction is jointly responsible by two team members, and the cloud collaboration method is used to achieve good team communication and cooperation.

Strengthen team communication and team building

Since the members of the compression algorithm team come from all over the country, daily learning and communication are carried out online. Therefore, it is very important to maintain the activity of the weekly group. As the team leader, I must take the lead in promoting team cultural exchanges, promoting communication and sharing among department members, and guiding everyone to "move". In addition, if the team wants to collaborate efficiently, the effect of text communication alone is minimal, and face-to-face communication is the top priority. Every week, the compression algorithm team will hold an online video conference to synchronize the learning progress of each team member, solve the confusion encountered by the team members, and share their learning experience. Thereby creating a strong learning atmosphere, realizing team mutual assistance and common progress.

Overview search and indexing, full-scene technical map making

Compression algorithms cover a huge area, and most of the information you find on the Internet is a one-sided and fragmentary summary of individual areas. In order to make up for the incomplete coverage of the compression algorithm technology field, our team has produced a compression algorithm technology map model covering all fields and scenes. Based on the existing "newer" reviews that have been found so far, we index forward and backward respectively. By looking for reviews, our team has indexed and aggregated nearly 120 compression algorithm-related content.
The review index is a step-by-step process, and as the team continues to learn and progress, the material will be gradually enriched. Finally, build a technical map model based on models such as timeline or mind map.

 索引并汇总的压缩算法资料

 制作压缩算法技术地图

Search Overview - Mining Technology - Discovering Technology Scenarios - Applying Open Source Projects

Finding review papers can help you find technical scenarios . For example, in the process of looking for a summary of compression algorithms, we will encounter many professional words that we do not know: such as "entropy", we know that it means "entropy" through translation. entropy? What is entropy? Is it chemical entropy or physical entropy? ——In fact, it is not, it is the exclusive "entropy" in information theory, the full name is "information entropy" or "Shannon entropy". How does this relate to compression algorithms? At this moment, it is necessary to integrate the corresponding technical scene. Where does the technical scene come from? The answer is: from a review paper. Because the review paper summarizes and summarizes the rise, development and cutting-edge research of the entire technology field in an all-round way, and is authoritative enough, the "entropy" we want is also included in it:

The red box circled in the figure is the keyword "Entropy" and the technical scene it is applied to. Click the blue text on the left to jump to the corresponding citation:

In this citation, entropy will be described in detail, so that the problem of technical scenarios is easily solved. In the process of searching for a review, we also need to identify the advantages and disadvantages of the found development technologies, so as to match different development technologies at different stages in different scenarios, and by exploiting the strengths of each development technology, avoiding their shortcomings, and achieving the most content optimization. At the same time, with the increase in the number of papers we gnaw and the accumulation and learning of development technologies, it becomes a matter of ease and convenience for us to extract the content we want from the review papers.

"Finding Overviews - Mining Technologies - Discovering Technical Scenarios - Applying Open Source Projects" is the key learning method of OpenHarmony's Thesis Club. Starting from the technology itself, our team has developed technologies in the field of compression algorithms for technical scenarios and application-related open source projects as shown in the figure:

Our Outlook for the OpenHarmony Gnaw Thesis Club

At present, our team is engaged in the work of writing compression algorithm books, and we also expect to emerge in more online/offline activities of the OpenHarmony Thesis Club, and empower the advanced learning methods of thesis to the developers of colleges and universities across the country. Looking forward to setting off a wave of dissertation reading in colleges and universities across the country. We know that it is an eternal axiom to concentrate on doing big things, so the Thesis Club needs to gather the whimsy and superb development technology of every university developer. As long as you are interested in OpenHarmony development technology, the Thesis Club will The door of exploration is always open to you, and you are cordially invited to join us and build the ecological prosperity of OpenHarmony with us!

 OpenHarmony成长计划啃论文俱乐部

Committed to exploring computer science with academic research methods, and sharing the growth path of "gnawing papers (review papers) - technical article output - open source code submission - technical experts and big coffee". This is a platform for various technical departments to conduct technical exploration and technical output, and achieve knowledge accumulation and achievement sharing. Many students have published articles on major community platforms (51CTO, CSDN, etc.) through this path, occupying the top of the hot list, and many more Famous students have received invitations from publishers to publish publications and opportunities for employment in famous companies. They are preparing for large-scale promotion of technical/guidance books for developers across the country. Developers from major universities across the country are now invited to build the OpenHarmony ecosystem together!

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