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I need an experienced computer-vision developer to step into an existing codebase and finish a real-time bib detection system for mass-participation sporting events. The current prototype already recognises bib numbers; your task is to stabilise it and expand the feature set so it can handle marathons, cycling races, triathlons—essentially any event where athletes wear start numbers. Core goals • Strengthen and optimise real-time detection accuracy under changing light, motion blur and camera angles. • Automate the creation of short clips that isolate each participant’s key moments. • Overlay a configurable sponsor logo on every generated clip. • Add seamless WhatsApp integration so the system can push the personalised clips straight to athletes or organisers. • Clean up, document and hand over the code so the next developer—or I—can maintain it easily. Tech context The previous developer used Python with OpenCV and a YOLO-style model; feel free to refactor or swap frameworks as long as inference remains lightning fast. Expect video streams up to 4K, multiple concurrent cameras and fairly busy backgrounds. Success criteria • ≥95 % accurate bib recognition measured on my test footage. • Clip creation and logo overlay processed within 30 s of finish-line crossing. • One-click WhatsApp delivery functioning from both desktop and mobile. • Well-commented code, README and deployment script. If you have proven experience in real-time computer vision, OCR, and messaging API integration, let’s talk.
Project ID: 40402560
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86 freelancers are bidding on average €166 EUR for this job

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
€750 EUR in 7 days
8.0
8.0

Hello Sir/MAM I am a skilled full stack developer. Having rich experience in Java , C++ , C , C# , Python , Eclipse , Sql , Mysql , .Net ,Oracle , Object Oriented Programming , Data Structure , Algorithms . I have a perfect grip on “Artificial Intelligence” “Automation” , and work in “Machine Learning” Deep Learning ”. My track record as demonstrated in my 100% job completion and 5-star review rating showcases My ability to deliver exceptional results on time and with utmost quality I believe that my skill set makes me the ideal candidate for this project Please come on chat we will discuss more about this I will be waiting for your reply . Thanks and Best Regards
€140 EUR in 2 days
6.4
6.4

This looks like a great fit, I will stabilise your YOLO-based bib detection pipeline, tune it for ≥95% accuracy across varying light and motion blur, and build the automated clip generation with sponsor overlay and WhatsApp delivery via the Business API. One key area — I will implement a tracking-by-detection approach (e.g., ByteTrack) so each bib ID persists across frames, preventing duplicate clips and ensuring the 30-second processing window holds even with multiple concurrent 4K streams. Questions: 1) Are you using the WhatsApp Business API already, or a third-party service like Twilio? 2) How many concurrent camera feeds should the system handle in production? Looking forward to potentially working together. Thanks, Kamran
€234 EUR in 10 days
6.2
6.2

✅Full Experience in Object Detection and Computer Vision with Python Programming✅. ✳️I am very confident that complete your project perfectly. ✳️I can guarantee the quality of the job and deliver the result on time. I hope we will discuss in more detail via chat. Best regards!
€150 EUR in 3 days
6.3
6.3

With over a decade of experience developing production-level AI systems, I am confident that our team at Shadab can take your existing codebase for the bib detection system to the next level. We have a strong background in real-time computer vision which we've leveraged in various successful OCR projects. Our proficiency using Python, OpenCV, and YOLO-style models aligns perfectly with your requirements, ensuring we can optimize detection accuracy even under challenging conditions such as changing light, motion blur, and multiple camera angles that come with mass-participation sporting events. Beyond just detecting bib numbers accurately, your project requires creating short clips that capture individual highlights, overlaying sponsor logos on them, and pushing them efficiently to athletes or organizers via WhatsApp. I understand how crucial these features are in enhancing the end-user experience at these events.
€500 EUR in 7 days
6.3
6.3

EXPERT in(Computer Vision and Real-time Object Detection, Counting and Tracking) Hi, how are you? I checked your detail carefully. I’ve completed the real-time people detection, counting and tracking projects before successfully. Before, using python and YOLOv8, I completed @@Pool Drowning Detection System Implementation@@ project and so on. You can check my works history on my portfolio. I am sure this field and I will do my best. I always thought "It is your job, it is also my job". Awarding me will be the fastest way to complete your task with the best rates possible. THANK YOU.
€140 EUR in 3 days
5.9
5.9

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with AI Event Bib Detection Upgrade I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statistical programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, PCB, Electronics, Arduino, Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
€30 EUR in 1 day
5.9
5.9

Hello, I will step into the existing codebase and finish the real time bib detection system for mass participation sporting events by stabilising the prototype and expanding the feature set. I have a rich experience in real time computer vision, OCR, and messaging API integration. I delivered a similar project last week with a 5-star review and would love to show that in private. Message me and let's talk more about your project and I will share my approach today. Cheers, Fahad.
€130 EUR in 2 days
5.3
5.3

Hi, I can step into your existing Python codebase and complete the real-time bib detection system. My experience includes OpenCV, YOLO-based detection, OCR, and real-time video analytics. I can help with: * Improving bib detection/recognition accuracy under blur, angle, and lighting changes * Optimizing inference for multi-camera / 4K streams * Automating participant clip generation * Adding sponsor logo overlays dynamically * Integrating WhatsApp delivery via API * Refactoring, documenting, and preparing deployment scripts I can work toward your goals of 95%+ accuracy and sub-30-second clip generation with scalable, maintainable code. Ready to review the current prototype and start immediately.
€220 EUR in 3 days
4.9
4.9

Hi there, ❤️❤️❤️ I’ve reviewed your AI Event Bib Detection Upgrade project and it aligns well with my experience in Python, OpenCV, YOLO-style detection, OCR, and real-time video pipelines. I can help stabilise your existing prototype and extend it into a reliable bib-to-clip delivery system for marathons, cycling races, triathlons, and similar events. How I can help: • Improve bib detection/OCR accuracy under changing light, blur, camera angles, 4K streams, and busy race backgrounds. • Build automated participant clip generation with configurable sponsor logo overlays within your target processing window. • Add WhatsApp delivery, clean documentation, README, deployment scripts, and maintainable handover-ready code. Relevant experience: I’ve worked on similar real-time computer vision workflows using Python, OpenCV, YOLO, OCR post-processing, video segmentation, and API integrations, and I can start working immediately. Approach: I focus on fast inference, measurable accuracy improvements, clean refactoring, clear communication, and practical deployment for multi-camera event environments. Best regards,
€250 EUR in 10 days
4.2
4.2

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have worked on real-time object detection systems using YOLO and OpenCV that smoothly handled fast-moving subjects and variable lighting, enabling immediate accurate output. From my experience, the key to success is optimizing detection models to balance precision and speed while ensuring system robustness against environmental changes. Approach: ⭕ Refine and optimize the existing YOLO-based model for improved accuracy under challenging conditions. ⭕ Develop efficient video processing to create clips with sponsor logo overlay automatically. ⭕ Integrate WhatsApp API for seamless automated clip delivery on desktop and mobile. ⭕ Clean and document codebase with clear README and deployment scripts for maintainability. ❓ Could you share current system details on camera setup and any preferred WhatsApp API services? I am confident I can stabilize and scale your bib detection solution to meet your accuracy and automation goals with robust, maintainable code. Looking forward to working together. Best regards, Nam
€200 EUR in 3 days
3.8
3.8

Hi, I am a computer vision developer with 8 years of rich experience with a background in real-time video AI systems. I am familiar with Python, OpenCV, YOLO, OCR, WhatsApp API. For this project, the most important part is improving bib detection accuracy in real event conditions like motion blur, lighting changes, and busy backgrounds. I will focus on model optimization, fast clip generation, sponsor logo overlay, and WhatsApp delivery with clean documented code. This ensures the system works reliably during live sporting events. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
€250 EUR in 7 days
3.9
3.9

Hi there, I’m Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and with over 15 years of experience as a senior full-stack and AI engineer, I have the expertise to deliver this properly. I’m available to start right away and would be happy to discuss the details whenever it’s convenient for you. I look forward to speaking with you. Best regards, Kristopher Kramer
€30 EUR in 1 day
4.3
4.3

Dear Sir, I am thrilled to bid your project. I can step into your existing Python, OpenCV, and YOLO-style codebase to stabilize the bib detection system and make it reliable for real-time race environments. I have experience with computer vision pipelines, object detection, OCR workflows, video processing, model optimization, clip generation, overlays, API integrations, and production code cleanup. For your system, I would first review the current detection and recognition flow, test it against your footage, identify weak points under motion blur, lighting changes, angles, and crowded backgrounds, then improve preprocessing, tracking, OCR validation, and inference performance. I can also automate participant clip creation, add configurable sponsor logo overlays, and integrate WhatsApp delivery through an official API or approved provider so clips can be sent smoothly to athletes or organisers. I will provide commented code, a clear README, deployment scripts, and handover notes so the system is easier to maintain after delivery. One crucial question: do you already have labelled test footage for measuring the 95 percent bib recognition target, or should I help create a validation set from your race videos? That will make accuracy testing clear and fair from the start. Sincerely, Adison.
€140 EUR in 7 days
3.2
3.2

Hello, I am Vishal Maharaj, a seasoned professional with 20 years of expertise in Python, C++ Programming, and Computer Vision. I have carefully reviewed your requirements for the AI Event Bib Detection Upgrade project. To enhance the existing system, I propose to strengthen real-time detection accuracy by optimizing for varying light conditions, motion blur, and camera angles. Additionally, I will automate clip creation, integrate sponsor logos, enable WhatsApp integration for personalized clip delivery, and ensure clean code documentation for easy maintenance. Let's discuss further details and initiate the chat to explore how I can contribute to the success of your project. Cheers, Vishal Maharaj
€250 EUR in 5 days
2.9
2.9

Hello, I have experience with real-time image processing and computer vision technologies and have implemented systems that detect specific identifiers in dynamic environments, such as smart ticketing solutions that automatically recognize QR codes under various conditions. For your bib detection system, I can enhance detection accuracy with deep learning techniques, automate clip creation using frame analysis, and implement logo overlays with custom UI options. Additionally, I propose integrating a webhook system for WhatsApp, allowing seamless sharing of clips. Let's discuss!
€150 EUR in 5 days
3.0
3.0

Welcome to professional Python development services! Hi there, I'm Alema, a Python expert programmer who strives for clear code in atmospheric, numerical weather prediction, physics, and all other seminal fields. I'm ready to provide you with high-quality services. I have completed 350+ projects with a 100% Positive Rating. If you are looking for Quality work, look no further. Also, we are a team of professional workers, and we are always available 24/7 to help employers without limitations, and delivery is guaranteed on time. Your faithfully. Eng. Alema Akter
€30 EUR in 1 day
3.0
3.0

Hello Sir, As a seasoned Senior Full Stack & DevOps Engineer, I specialize in projects just like yours that converge the latest technologies and deliver high-performance results. With over nine years of experience, I have mastered various programming languages including Python, which was employed in the current codebase using OpenCV and YOLO model for image detection. This places me in a vantage point to deeply understand and seamlessly augment your existing system. In addition to expertly working with AI algorithms, Machine Learning and OpenCV - skills invaluable for this project - my rich experience in real-time computer vision further sets me apart from other candidates. My proficiency in deploying advanced OCR techniques in challenging video streams like those found at busy sporting events enables me to address hurdles like light, blur motion, and multiple camera angles for maximum accuracy. Furthermore, I possess a strong background in Backend Architecture and Cloud & DevOps. These skills will be exceptionally useful when automating the creation of short clips for each athlete’s key moments, overlaying sponsor logos, realizing seamless WhatsApp integration for personalized clip collation, and guaranteeing one-click WhatsApp delivery from both desktop and mobile platforms. Finally, rest assured my commitment to producing clean, well-commented code aligns perfectly with your need for easy code maintenance progressed by future devel Thanks! John
€155 EUR in 4 days
2.3
2.3

With an extensive background in web and software development, I bring a unique blend of skills that align closely with the needs of your project. Having worked with multiple clients across different industries and consistently delivering high-impact digital systems, I am well-versed in dealing with complex requirements. Moreover, my adeptness in computer-vision technologies, especially in real-time applications such as the one you have, is evident from my previous work. I have worked with OCR extensively, ensuring high level-accuracy across various lighting conditions and camera angles. My knowledge coupled with practical experience in messaging API integration will be crucial to establish seamless Whatsapp integration for instant clip delivery. At its core, this project requires not just technical prowess but also a keen understanding of your business goals. This is where my client-centered approach shines. I aim to truly understand beyond technical requirements and maximize your ROI on every project through efficient delivery without compromising quality. My mission is to create a solution that not only caters to your current needs but also anticipates future challenges and I'm thrilled at the opportunity to accomplish that for you
€200 EUR in 5 days
2.2
2.2

Real-Time Bib Detection + Auto Clips + WhatsApp Delivery Hello, there I understand you already have a Python/OpenCV YOLO-style prototype, and now need it stabilized for real race conditions: motion blur, lighting changes, angles, 4K streams, and multiple cameras. I can improve bib detection/OCR accuracy, optimize inference speed, generate short athlete clips automatically, overlay sponsor logos, and integrate WhatsApp delivery for athletes or organisers. My focus will be: accurate recognition, fast clip processing, clean documented code, deployment scripts, and easy handover. Thanks
€140 EUR in 7 days
2.0
2.0

Köttmannsdorf, Austria
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