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I’m building an automated scorer for a standard dartboard that relies on three off-the-shelf webcams. As soon as a dart sticks, the system must pinpoint its exact segment, translate that into the correct score, and push a real-time event—ideally over a WebSocket—so any client can update the match instantly. Core expectations • Camera input: three synchronized 1080p webcams positioned around the board. • Tech stack: feel free to reach for either Python/OpenCV or C++/OpenCV; whichever lets you reach millisecond-level detection with reliable accuracy. • Calibration: a quick routine that someone in a pub can run in a couple of minutes—no chessboard targets or lab lighting required. • Output: headless service only; no on-screen UI. Emit JSON events such as `{ "x":…, "y":…, "ring":"double", "number":20, "score":40 }` the moment impact is confirmed. Deliverables 1. Source code with build/run instructions. 2. Calibration workflow and any printable targets if you use them. 3. API spec for the real-time event stream plus a minimal test client. 4. Performance report: detection accuracy, average latency, and test footage. Acceptance criteria • ≥98 % hit-segment accuracy across the whole board. • End-to-end latency ≤150 ms on a mid-range PC. • Calibration completed in ≤2 minutes by a first-time user. If this sounds like your kind of challenge, let’s talk through your approach to multi-camera geometry, lighting variance, and fast image processing so we can get darts flying and scores flowing.
ID do Projeto: 40313859
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40 freelancers estão ofertando em média €614 EUR for esse trabalho

⭐⭐⭐⭐⭐ Create an Automated Scorer for Your Dartboard Using Webcams ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you're looking for an automated scorer for a dartboard. Look no further; Zohaib is here to help you! My team has completed 50+ similar projects in automation and real-time scoring. I will build a system that uses three synchronized webcams to detect dart hits accurately and report scores instantly. ➡️ Why Me? I can easily create your automated scoring system as I have 5 years of experience in image processing and real-time applications, specializing in Python and OpenCV. My expertise includes camera calibration, JSON event handling, and performance optimization. Additionally, I have a strong grip on real-time data streaming and system integration. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and how I can meet your requirements. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Python Programming ✅ OpenCV ✅ C++ Programming ✅ Real-Time Data Processing ✅ JSON Handling ✅ Camera Calibration ✅ API Development ✅ Event Streaming ✅ Performance Optimization ✅ System Integration ✅ Automated Testing ✅ Debugging Waiting for your response! Best Regards, Zohaib
€350 EUR em 2 dias
7,8
7,8

Hi, I can help you with this. I am a developer with extensive experience with automations and integrations. I've helped clients with similar projects. Let me know your interest, Sincerely, Nicolas
€500 EUR em 7 dias
5,5
5,5

Computer vision + WebSocket combo is right in my lane. Using OpenCV with three synchronized cameras for dart detection is a classic triangulation problem - you localize the dart tip from each view, intersect the rays, and map to the board segments. Python/OpenCV for fast prototyping or C++ if latency is critical. For sub-100ms detection you'd precompute the board geometry calibration offline, then run the inference loop in a dedicated thread pushing WebSocket events on hit. YOLO or a simpler contour-based approach depending on how much variance you have in lighting/dart shaft. Happy to do a quick proof-of-concept video call to show how I'd structure this. When do you need it live? - Usama
€600 EUR em 14 dias
5,1
5,1

Hi, With a robust background in software application development at industry titans like Avaya and CGI, I'm confident I can tackle the unique challenges of your dart detection system project. My 15+ years of experience have honed my skills in C Programming, JSON, and Python - all essential for swiftly and accurately processing your dartboard camera feed into real-time event data. Moreover, I've specialized in building efficient, low-latency systems capable of handling demanding real-time workloads, a skill vital for your project that demands millisecond-level detection and fast image processing. My proficiency in Python's OpenCV will ensure optimal performance with reliable accuracy. I believe my experience handling complex trading and fintech platforms has taught me valuable lessons about the need for scalable architectures and secure event-driven systems - all traits that will bode well for your project. As a bonus, you'll get actionable insights from my documented performance analysis of the final system, delivered on time along with a comprehensive API spec, calibration workflow, source code, and clear documentation to ensure seamless adoption.
€500 EUR em 7 dias
4,6
4,6

Your project to build an automated dart scorer using a multi-camera setup is a sophisticated computer vision challenge that I’ve successfully tackled in similar high-speed object tracking environments. I have previously developed spatial triangulation systems using Python and OpenCV where sub-pixel accuracy was required to map 2D coordinates into a validated 3D scoring model. By leveraging three off-the-shelf webcams, we can effectively eliminate parallax errors and occlusions, ensuring that every dart—even those grouped tightly in the treble-20—is registered with pinpoint precision against the board’s standard geometry. To ensure real-time reliability, I will implement a robust processing pipeline starting with a one-time homography transformation to calibrate the separate camera views into a unified coordinate system. I’ll employ frame differencing paired with a custom-trained YOLOv11 or MediaPipe-based detection model to isolate the dart's entry point and tip location the millisecond it impacts the board. By processing these streams concurrently, the system will use a consensus-based triangulation algorithm to calculate the segment hit, using localized ROI masking to ignore player movement or external shadows. This approach ensures low-latency scoring while maintaining a lightweight footprint suitable for standard consumer hardware. Regarding the environment, do you plan to implement a ring-light setup to minimize shadows, or should the detection algorithm include dynamic thresholding to compensate for varying ambient light? I would also be interested to know if you have a preferred tech stack for the front-end display, such as a web-based dashboard or a dedicated desktop app. I am available to hop on a quick call or chat to discuss the calibration workflow and how we can achieve the highest possible accuracy with your current camera configuration.
€562 EUR em 21 dias
3,3
3,3

Hello!, I am a Florida-based senior software engineer with extensive experience in C, Python, and computer vision technologies. I carefully read your project description about building an automated scorer for a standard dartboard utilizing webcams, and I’m excited about the opportunity to contribute. With over 15 years in software development, I've successfully implemented projects that involve image processing and real-time data analysis. My background includes working on similar systems where I integrated computer vision with hardware to create seamless user experiences. To ensure I fully understand your vision, could you please clarify the following questions to help me better understand the project? 1. What specific features do you envision for the scoring system? 2. Are there any existing frameworks or libraries you prefer for image processing, or are you open to suggestions? 3. What is the expected timeline for the project, including any milestones? I suggest starting with a detailed requirements gathering phase, followed by prototyping to validate the scoring logic, and then moving into the integration of webcam feeds with your scoring system. I am confident that my expertise will deliver a robust solution tailored to your needs. Looking forward to hearing from you! -James
€500 EUR em 5 dias
3,2
3,2

Your project to create a real-time dart detection system with three synchronized webcams sounds fascinating, and I understand the need for precise, low-latency scoring pushed over WebSocket events. You want a headless service that outputs JSON immediately upon dart impact, and a simple calibration that anyone can perform quickly. I see that you require millisecond-level detection accuracy using either Python/OpenCV or C++/OpenCV, along with a calibration routine that avoids complex targets or lighting setups. The system must achieve at least 98% hit-segment accuracy and keep latency under 150 ms on mid-range hardware, which is a challenging but achievable goal. I recently developed a multi-camera real-time tracking system using C++ and OpenCV that identified small fast-moving objects with sub-100 ms latency, including a user-friendly calibration process that worked under varied lighting. I built the API to emit JSON events over WebSocket for instant updates, which aligns well with your need for an automated scorer that pushes live match data. I can deliver a fully functional prototype, including source code, calibration workflow, API spec, and performance report, within six weeks. Let’s discuss your approach to multi-camera synchronization and lighting challenges to ensure the best result for your dart scorer.
€275 EUR em 7 dias
3,0
3,0

Hi there, I read your Real Time Dart Detection brief and I’m confident I can deliver a lightweight, headless scorer that detects impact, resolves board segment, and emits JSON WebSocket events within the latency window you need. I’ve built millisecond-level OpenCV pipelines in Python with optional CUDA acceleration, and I’ve deployed multi-camera triangulation and homography solutions that are robust to pub lighting. My plan is to use synchronized 1080p frames from three cams, run a fast foreground-difference + subpixel contour refinement pipeline, fuse detections via a calibrated multi-view geometry model (fast PnP + precomputed LUT for ring/segment mapping), and publish confirmed hits over a WebSocket server with duplicate suppression and confidence scoring. Calibration will be a short guided routine using simple printed markers and auto-detected board features so a novice can finish in under two minutes. Deliverables include source, calibration guide/printable, API spec with a tiny test client, and a performance report with test footage. If that fits, I’ll start by outlining the calibration UX and a short evaluation plan so we can lock acceptance tests and test footage formats. Do you prefer a pure Python/CV pipeline with optional CUDA acceleration, or would you like a mixed C++ core for the hottest loops to guarantee sub-150ms latency on a mid-range PC? Sincerely, Daniel
€640 EUR em 8 dias
2,2
2,2

As a multi-faceted engineer with significant experience in computer vision, C++ and Python programming, I believe I am eminently qualified for your Real-Time Dart Detection System project. I possess in-depth proficiency in both languages and have successfully designed and implemented various sophisticated systems, equivalent to the intricacy of a dart detection system. My adeptness with software development enables me to provide a quality end-product consistent with the 98% accuracy you seek. Given the requisite three synchronized, high-definition cameras, I can ensure swift and precise detection of dart impacts at all times. Moreover, my prior work with OpenCV guarantees millisecond-level detection with reliable accuracy. Such punctual notifications over WebSockets, as you requested, are second nature to me. In addition, to deliver a fully functional solution per your specifications, I will design a calibration workflow that even a layperson can complete in under 2 minutes. This includes avoiding complex targets that pose unnecessary challenges in real-life settings. As a testament to my commitment toward a project of this kind, I shall conclude by highlighting my ability to maintain dependable software
€1.500 EUR em 20 dias
1,1
1,1

"Camera → Dart detect → Exact Position → Score calculate → Immediate Send" Hi there, I hope you are doing good!! I have ready project Description carefully and i can develop this game using OpenCV library. ✅ My approach: 1. Multi-camera triangulation - Use 3 synchronized cameras to detect dart tip position - Apply homography + triangulation to map coordinates to board space -Predefine board segmentation (rings + numbers) for instant scoring 2. Fast impact detection - Frame differencing + motion detection to identify dart entry - Lock position within milliseconds and avoid duplicate triggers 3. Simple calibration (pub-friendly) - Use board itself (no chessboard) - click-based or auto-detect key points → complete setup in ~1–2 minutes 4. Real-time output - Headless Python (OpenCV) service - WebSocket server emitting JSON like: { x, y, ring, number, score } - Minimal test client included ✅ Deliverables ✔ Clean, documented source code ✔ Quick calibration workflow ✔ WebSocket API + test client ✔ Performance report (accuracy + latency with sample footage) ✅ Availability: Ready to start immediately I can outline a quick architecture diagram before we begin. Thanks, Raman Gaur
€499 EUR em 15 dias
0,0
0,0

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