SimpleTex feature update record 2025/02/05

• 1. SimpleTex Word plugin adds support for inserting formulas Markdown、 Export formulas and other functions from Word
• 2. Added SimpleTex AI enhanced recognition, covering multiple specifications of models for online testing, optimizing handwriting recognition, complex distorted document photo recognition, and table recognition effects, providing users with more choices
• 3. Optimize SimpleTex AI intelligent editor and add "deep thinking" function on the shoulders of open source giants such as Qwen/Deepseek, significantly improving user experience
• 4. The client has added a top feature, synchronized web version with AI/copy function, and recognition feedback function

SimpleTex feature update record 2024/10-2025/01

• 1. Added SimpleTex Word plugin, supporting one click recognition of formula images in Word documents
• 2. New AI intelligent editor, supporting result optimization and error repair
• 3. AI assisted document recognition function enhancement, optimizing handwriting recognition, document photo recognition, and table recognition effects
• 4. PDF recognition bug fix, supports image packaging download, faster recognition
• 5. For logged in users, add user history function

Client version update record [v0.2.7] 2024/08/01

• 1. Added support for document image recognition (tables/images), Smiles chemical structure recognition, etc
• 2. SimpleTex formula editor optimization, document editor adds support for Markdown syntax such as tables/images
• 3. Optimize software algorithms for higher and more convenient performance
• 4. Continuous optimization and improvement of document recognition algorithms for better display of document recognition results

SimpleTex Document Recognition Algorithm Update 2024/04/28

• 1. The web version supports PDF document recognition with dual columns, formulas, and charts. The backend model has been upgraded to V2.5, supporting recognition of mainstream and niche languages. At the same time, it is based on self-developed high-performance AI service facilities and innovative lightweight model architecture to achieve more efficient inference
• 2. Added complex table recognition and rotated document enhancement (experimental release)
• 3. After the update of the document recognition algorithm, the SimpleTex Vision Project (Public OCR Braille Conversion) has become more valuable and applicable. Please refer to the Vision Project homepage for details< https://simpletex.net/horizon_project ）>

SimpleTex Core Algorithm V2.5 Update 2024/04/04

• 1. -Based on past experience, we constructed a more comprehensive training and inference framework, a more comprehensive and extensive dataset, and a larger scale dataset compared to the V2 model. We innovatively proposed new pre training methods and tasks, as well as enhanced inference/acceleration decoding algorithms. Ultimately, the V2.5 algorithm achieved significant recognition improvement compared to the V2 algorithm
• 2. Printing formula optimization: significantly reduces LaTeX syntax errors in the results, significantly improves generalization performance, reduces model degradation issues, supports larger matrix equation recognition, and provides more accurate recognition of rare LaTeX symbols
• 3. Handwritten formula optimization: significantly enhances Chinese handwriting recognition (as well as the mixed use of handwritten Chinese formulas), supports recognition of crossed out parts, and enhances recognition of multi line handwritten Latin, Hindi, and multi line handwritten formulas
• 4. Chemical structural formula recognition support (experimental release)
• 5. V2.5 accelerates decoding by 2-3 times compared to V2 (algorithm not yet deployed)

Client version update record [v0.2.5] 2023/11/08

• 1. Fix and optimize SimpleTex client screenshot lag issue, adding 4 optional screenshots
• 2. Known software bug fixes, better UI interface
• 3. The MacOS client is launched for the first time

Client version update record [v0.2.4] 2023/10/25

• 1. Fix and optimize SimpleTex client screenshot lag issue
• 2. Known software bug fixes, including editor formula misalignment, version errors, formatting errors after copying MathML (Word), and other issues
• 3. Added support for inserting WPS formulas, converting Markdown documents/LaTeX expressions to Docx document format, copying formula images and SVG code, facilitating the conversion of recognition modes, and providing a more convenient formula copying experience
• 4. Continuous optimization and improvement of document recognition algorithms

SimpleTex Core Algorithm Update 2023/09/28

-The new generation of document recognition algorithm has been updated and tested online, greatly alleviating problems such as incorrect formulas and garbled characters in the previous version

SimpleTex Server Backend Algorithm Update 2023/09/16

• 1. A new generation of self-developed AI inference backend, implementing various innovative functions, using distributed and self-developed microservices frameworks to achieve higher concurrency and availability of AI inference engines
• 2. Achieve a significant increase in throughput and enable on-demand elastic upgrades; After adopting elastic upgrades, SimpleTex service capacity can easily expand to a hundred or ten times the computing power of daily request access

SimpleTex Core Algorithm V2 Update 2023/06/30

• 1. Based on past experience, pre train a large-scale formula document algorithm model, creatively propose new feature extraction structures and decoding algorithms, and synthesize large-scale datasets using self built LaTeX formula compilation and rendering techniques. Ultimately, the V2 algorithm achieved leading recognition results
• 2. Added recognition support for over 80 languages, including mainstream languages such as Chinese, Japanese, Korean, English, Russian, French, German, Spanish, Indian, Arabic, etc
• 3. Optimize the recognition performance of large equation systems/matrices, while improving the accuracy of formula recognition in most scenarios
• 4. The new algorithm has a faster inference speed than V1, with an improvement of 20% -50%
• 5. Better handwriting support, while also supporting Chinese handwriting recognition

SimpleTex Non Recognition Algorithm Update 2023/05/12

• 1. LaTeX Homework Correction API, LaTeX Grammar Error Checking API, etc. have been successively launched on the SimpleTex AI Open Platform

Client version update record [v0.2.2] 2023/05/10

• 1. Added SimpleTex formula/document editor, simplified mode, and history function
• 2. Added support for complex multi line formula recognition, optimized handwriting/single line formula recognition performance, and added text formula mixed recognition (currently experimental release, recognition effect needs further optimization)
• 3. Update built-in screenshot software, fix multi screen screenshot bugs, support new format copying, improve and perfect tutorial system, provide more settings options, fix known bugs

SimpleTex Core Algorithm Update 2023/04/13

• 1. Support complex multi line recognition
• 2. Currently does not support identification of large matrix equation systems

SimpleTex editor launched on April 10, 2023

• 1. The SimpleTex editor has been launched on the web, supporting real-time rendering and modification of Markdown syntax. It is currently the only editor in the world with similar functionality

SimpleTex Non Recognition Algorithm Update 2023/04/02

• 1. Supporting the recognition of formula images or LaTeX to national standard Braille, it is currently the only similar system in China

SimpleTex Core Algorithm Update 2023/03/28

• 1. Support text formula mixed image recognition (experimental release)
• 2. The recognition effect needs further improvement

AI open platform launched on February 15, 2023

• 1. AI open platform goes live for public testing and begins to provide SimpleTex API capabilities to the outside world
• 2. Online testing of data statistics, resource packages, and other systems

Client version update record [v0.1.6] 2022/12/08

• 1. This version updates some settings (boot up, screenshot shortcut settings) and fixes a small number of bugs
• 2. Only supports formula recognition containing English letters and mathematical characters, and will support other languages such as Chinese in future versions
• 3. Currently, multi line formula recognition is not supported, only single line formula recognition is supported. Future versions will improve

SimpleTex client first released on September 20, 2022

• 1. The web version has been launched
• 2. The client program v0.1.0 has been released and launched

SimpleTex project started on August 1, 2022

• 1. Activate self-developed V1 OCR algorithm
• 2. Write SimpleTex front-end and back-end programs
• 3. Independently build a highly available, concurrent, and load balanced artificial intelligence inference server framework