I have worked in various administrative functions such as research and data entry, lead generation, customer and technical support, transcription and translation, social media management, data labeling/annotation, and general virtual assistance. Services/Skills include: Transcription Lead Generation Google Map Scraping Web Scraping Social Media Management Customer and Technical Support E-Commerce Management Data Entry Data Labeling/Annotation Tools and Apps: • Data Processing – Microsoft Suite, Google Suite • Image Processing – Canva, Adobe Photoshop, Adobe Illustrator, Adobe Premiere Pro • Data Annotation/Labeling – Labelbox, Roboflow, CVAT, Supervisely, Label Studio • Transcription – Otter.ai, Express Scribe • SMM – Tailwind, Coshedule, Hootsuite, Buffer • E-commerce – Amazon, EBay, Shopify, WordPress • Administration – Trello, Asana, Sling, Slack, Notion, Airtable • Data Verification – Hunter, Apollo, Crunchbase • Others – Zapier, Zoiper, Dialpad, Hubspot, Salesforce, Highrise, Nutshell, Zoom

Hi! I am Maria Christina Ferreras. I am a full-time freelancer specializing in Data Entry, Image Annotation, SEO, and transcription. I used to work as a Quality Monitor and Data Analyst, a Phone Banking Specialist, and as an Executive Assistant for 7 years to the President and CEO of a corporation. I am driven by my desire to excel in everything that I do. I always complete all of my projects with the highest quality, and will never leave a project until my client is 100% satisfied. Best Practices and Qualities: Team Player Goal-Oriented Proactive Highly Organized Reliable

I am an AI Data Annotation and Data Labeling specialist delivering production-ready datasets for computer vision models. My expertise covers object detection, semantic segmentation, and instance segmentation across medical imaging, retail analytics, sports technology, and electronics schematics. Stop wasting weeks on model retraining due to poor labels. I provide 99.9% accurate data annotation and data labeling services that eliminate "garbage-in, garbage-out" errors. Whether you are building autonomous driving systems, medical AI (MRI/CT/DICOM), or retail analytics, I deliver pixel-perfect object detection and segmentation datasets. My Quality Guarantee as a Data Annotation Lead: Every data labeling batch undergoes multi-stage manual audit for 100% adherence to your guidelines. I verify all exports (YOLO, COCO JSON, Pascal VOC, XML) in target environments for immediate import-readiness. Specialized Data Annotation Workflows: * Semantic Segmentation & Instance Segmentation: Pixel-perfect masks using polygons and brushes for complex object boundaries * Object Detection: High-speed bounding boxes for YOLO (v5 through v11) and Pascal VOC * 3D Point Cloud & LiDAR: Precise cuboid placement and 3D segmentation for sensor fusion * Video & Temporal Tracking: Frame-by-frame annotation with consistent object IDs *Keypoint & Landmark: Sub-pixel accuracy for pose estimation (facial, hand, full-body) Industry-Specific Data Labeling Solutions: * Medical AI: MRI, CT, X-Ray, Ultrasound (HIPAA-aware workflows) * Retail Data Quality: SKU-level tagging, smart shelf annotation, product recognition * Sports Analytics: Player tracking, ball detection, pose estimation, field segmentation * Electronics & Schematics: PCB annotation, component labeling, circuit diagram segmentation * Automotive: Lane detection, pedestrian tracking, edge-case scenarios for ADAS * Agriculture/GIS: Aerial mapping, crop health analysis, polygon annotation Tools I Master for Data Annotation: CVAT, Label Studio, Labelbox, Roboflow. I can master your proprietary platform within 24 hours. Formats I Deliver for Every Object Detection Project: YOLO (v8-v11), COCO JSON, Pascal VOC XML, CSV, and custom formats. I am built for scale — 100 images or 100,000. I maintain strict accuracy standards and meet every deadline. Whether you need semantic segmentation, instance segmentation, or object detection, your data labeling is the strongest part of your pipeline. Ready to clean your training data? Click "Message" to discuss your project or request a free sample task.

Hi, I am Sheraz, Need accurate leads, verified contact information, or a reliable virtual assistant who can handle research and data management with precision? I help businesses find qualified leads, build accurate databases, and organize data for outreach campaigns. 𝗜 𝗮𝗺 𝗮 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗨𝗽𝘄𝗼𝗿𝗸 𝗳𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 𝘄𝗶𝘁𝗵: ✔ 15,000+ Upwork Hours ✔ 180+ Completed Projects ✔ $90,000+ Earned I help startups, agencies, recruiters, real estate companies, consultants, and sales teams build targeted prospect databases that generate opportunities. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗣𝗿𝗼𝘃𝗶𝗱𝗲: = B2B Lead Generation = Prospect List Building = LinkedIn Sales Navigator Research = Contact Research = Verified Email Finding = Market Research = Company Research = Competitor Research = Web Research = Data Entry = CRM Management = Data Cleaning = Data Enrichment = Real Estate Research = Virtual Assistant Support 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜'𝘃𝗲 𝘄𝗼𝗿𝗸𝗲𝗱 𝘄𝗶𝘁𝗵: Real Estate • Property Management • SaaS • Startups • Construction • Healthcare • Pharmaceuticals • Recruiting • Marketing Agencies • E-commerce • Financial Services • Insurance • Manufacturing • Logistics • Hospitality • Education • Legal Services • Technology • Commercial Real Estate • Home Services 𝗧𝗼𝗼𝗹𝘀 & 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝗜 𝘂𝘀𝗲: LinkedIn Sales Navigator • Apollo io • ZoomInfo • ContactOut • RocketReach • Hunter io • SalesQL • Crunchbase • HubSpot CRM • Salesforce • Zoho CRM • Airtable • Google Sheets • Microsoft Excel • Smartlead • Instantly ai • ChatGPT • Perplexity AI 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲: ✔ Accurate & Verified Data ✔ Fast Turnaround ✔ Strong Communication ✔ Long-Term Reliability ✔ Detailed Documentation ✔ Quality Control Before Delivery Whether you need 100 leads or 10,000 records, I focus on delivering clean, organized, and actionable data that helps your business grow. Send me a message and I'll gladly provide a sample before we begin. Looking forward to working with you! -𝗦𝗵𝗲𝗿𝗮𝘇 𝗔𝗵𝗺𝗮𝗱

AI Image Data Annotation & Collection Specialist experienced in creating accurate, high-quality datasets for computer vision and machine learning applications. Committed to precision, consistency, and delivering reliable training data for AI systems. Helping AI and computer vision teams build smarter models by delivering accurate image annotation, Data Entry, data collection, and quality-controlled training datasets. ---Skills--- Image Annotation Data Labeling Bounding Box Annotation Polygon Annotation Semantic Segmentation Image Classification Object Detection Data Collection Data Entry Data Validation Quality Assurance (QA) Dataset Management Data Cleaning Computer Vision Fundamentals AI Training Data Preparation Attention to Detail Accuracy and Consistency Annotation Tool Proficiency Time Management Microsoft Excel Team Collaboration Let's turn your data into AI-ready assets. Click 𝗜𝗻𝘃𝗶𝘁𝗲 𝘁𝗼 𝗝𝗼𝗯 or 𝗛𝗶𝗿𝗲 𝗡𝗼𝘄 to get started today. Best, Romasa

🏆 A dedicated professional with comprehensive expertise in Machine Learning, Computer Vision, Deep Learning, and Generative AI. I bring extensive experience in deploying advanced AI models and optimizing solutions for both desktop and embedded environments. My background includes certifications in Data Science, Deep Learning, and Machine Learning in Production, complemented by hands-on project experience. 🏆 🏆🏆 𝙀𝙓𝙋𝙀𝙍𝙏 𝙄𝙉 🏆🏆 🚀 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 🚀 ✅ Computer Vision Tasks: Skilled in Image Classification, Image Segmentation, and Object Detection. ✅ Deep Learning Frameworks: Proficient with TensorFlow, Keras, and PyTorch for developing sophisticated neural network models. ✅ Advanced Architectures: Experience in implementing Vision Transformers, Swin Transformers, and DETR. ✅ Image Processing: Expertise in numpy, OpenCV, matplotlib, and Pillow for preprocessing and manipulation. ✅ Annotation Tools: Familiar with LabelKit, Labelbox, labelme, and Colabeler for data labeling and annotation. ✅ Embedded Computer Vision: Proficient in deploying models on resource-constrained environments using TensorFlow Lite and other techniques. ✅ Explainable AI: Utilizes LIME and Grad-CAM for model interpretability. 🚀 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 🚀 ⭐ Supervised Learning: Implementing models such as Logistic Regression, SVMs, Decision Trees, and Neural Networks. ⭐ Unsupervised Learning: Expertise in clustering methods like K-means, DBSCAN, Birch, and Hierarchical clustering. ⭐ Semi-Supervised Learning: Leveraging both labeled and unlabeled data for improved model accuracy. ⭐ Classification and Regression: Building and tuning models for various prediction tasks including Linear, Polynomial, Ridge, and Lasso Regression. ⭐ Ensemble Methods: Enhancing model performance with Random Forests, Bagging, and Boosting techniques. ⭐ Feature Engineering: Advanced techniques for feature selection and dimensionality reduction. 🚀 𝐃𝐚𝐭𝐚 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 🚀 📈 Statistical Analysis: Applying advanced statistical methods for deriving insights from complex datasets. 📈 Data Interpretation: Translating analytical findings into actionable business strategies. 📈 Trend Analysis: Identifying patterns and forecasting future trends. 📈 Predictive Modeling: Utilizing predictive models for risk assessment and decision-making. 📈 Multivariate Analysis: Handling and analyzing multi-dimensional data. 🚀 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈 🚀 📜 Generative Adversarial Networks (GANs): Experience with StyleGAN, StyleGAN2, StackGAN, CycleGAN, SRGAN, and DCGAN. 📜 Generative AI Tools: Proficient with Ollama, LangChain, Llama3.1, RAG, Gemini, and GPT. 🚀 𝐄𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 🚀 📦 Embedded Devices Experience: Expertise with Arduino, STM32, ESP32, FPGA, Raspberry Pi, and Nvidia Jetson. 📦 Deployment Projects: Successfully deployed various AI models on edge devices, including Jetson Orin Nano and Jetson Tx2, for tasks like ANPR, emotion detection, gesture recognition, and more. 🏆🏆𝗧𝗢𝗢𝗟𝗦 𝗔𝗡𝗗 𝗧𝗘𝗖𝗛𝗡𝗜𝗖𝗔𝗟 𝗦𝗞𝗜𝗟𝗟𝗦🏆🏆 🔍 Core Tools: Pandas, Numpy, Scikit-Learn, TensorFlow, Keras, PyTorch, XGBoost, LightGBM, CatBoost 🔍 Visualization: Matplotlib, Seaborn, Plotly, ggplot2 🔍 Data Processing: Dask, Apache Spark 🔍 Deep Learning: TensorFlow, Keras, PyTorch, Caffe, Theano 🔍 Natural Language Processing: NLTK, SpaCy, Gensim, BERT 🔍 Generative AI: GANs (StyleGAN, StyleGAN2, StackGAN, CycleGAN, SRGAN, DCGAN), Ollama, LangChain, Llama3.1, RAG, Gemini, GPT 🔍 Transformers: Vision Transformers, Swin Transformers, DETR 🔍 Statistical Modeling: Statsmodels, SciPy 🔍 Computer Vision: OpenCV, PIL (Python Imaging Library), skimage 🔍 Development Tools: Jupyter, Docker, Git, SVN 🔍 Embedded Devices: Arduino, STM32, ESP32, FPGA, Raspberry Pi, Nvidia Jetson 📞 𝗟𝗲𝘁 𝘂𝘀 𝗖𝗼𝗻𝗻𝗲𝗰𝘁: 💼 I am passionate about bringing innovative AI solutions to life and optimizing them for various platforms. Contact me to explore how we can collaborate on your next project and achieve outstanding results together!

I am an AI Engineer and Researcher specializing in computer vision, generative AI, and workflow automation. With hands-on experience developing end-to-end machine learning pipelines, I help businesses and researchers build intelligent systems that solve real-world problems. Core Expertise: Computer Vision & Object Detection: Extensive experience training, fine-tuning, and benchmarking YOLO models for specialized domains, including thermal imagery and custom defense-oriented datasets. Generative AI & LLMs: Proficient in building Retrieval-Augmented Generation (RAG) systems, implementing Agentic LLMs, and utilizing frameworks like LangChain to create context-aware applications. Workflow Automation: Skilled in leveraging n8n to build custom, AI-driven automation pipelines for data aggregation, email management, and streamlined business operations. Edge AI Deployment: Practical experience deploying lightweight, optimized AI models onto hardware platforms such as NVIDIA Jetson Nano, Raspberry Pi, and Arduino for real-time edge processing. Medical Imaging: Experienced in developing specialized architectures, such as 3D W-Net with Flap Attention, for complex segmentation tasks using PyTorch and MONAI. Tech Stack: Python | PyTorch | LangChain | n8n | Computer Vision | MONAI | Google AI Studio | VLM | LLM Whether you need a custom object detection model deployed to edge devices, a specialized dataset curated from scratch, or an automated GenAI workflow, I deliver rigorous, research-backed, and highly optimized solutions. Let's discuss how we can bring your AI project to life.

As a seasoned professional with over eight years of industrial experience in software engineering, computer vision, and deep learning, I have successfully navigated a variety of projects. These endeavors have encompassed the development of reporting tools, AI applications for processing images, point clouds, and audio, a framework to enable AI on edge devices, and generative AI applications. The following skills demonstrate my versatility and expertise in the fields of software engineering, AI, and computer vision: • Software Engineering: Extensive experience in software development using C++ and Python. Deployed applications on Windows, Ubuntu, and Android platforms. • Deep Learning: With expertise in deep learning techniques, well-versed in creating computer vision applications like classification, object detection, segmentation, and anomaly detection using OpenCV, Keras, TensorFlow, PyTorch, ONNX, TFlite, Numpy. • Generative AI: 3D model generation from text prompts, Image generation - Stable diffusion. • AI Model Deployment: Deployed AI models on various platforms, from cloud to resource-constrained edge devices, ensuring their practical application using ONNX, TFlite, Docker, Quantization and Pruning, and model inference analysis. My commitment to excellence and my ability to transform concepts into solutions using cutting-edge technology makes me the ideal freelance partner for your next project. Let's collaborate to turn your ideas into innovative realities. Best, Thomas.

AI Language Specialist (Telugu–English) | PhD | 450+ High-Quality Telugu Speech Conversations | Localization & Multimodal AI Experience I am a Doctorate with more than 10 years of freelancing experience in web research, data collection, academic sourcing, and data annotation. My professional background includes: • 16 years in the Save Grain Campaign, Department of Food, Government of India, promoting scientific storage techniques among farmers through training, demonstrations, and outreach. • 10 years in the Quality Control Cell, Department of Food, Government of India, ensuring accuracy and quality standards. • 5+ years in a Management & Research Institute, specializing in research, analysis, and technical reporting. On Upwork, I have worked with university professors, researchers, and business professionals on projects such as: • Internet and academic research (sourcing journal articles, fact-checking, business statistics) • Market, industry, and real estate research • US Census and government data extraction • Web scraping and automation (Excel VBA, Python) • Data analysis, reporting, and visualization in Excel • Health and nutrition research • Data annotation and image annotation (Loft 2.0, AnnotateNow, CVAT, and other tools) • AI Language Specialist (Telugu–English) Key Skills: ✔ Web Research & Academic Research ✔ Data Collection, Cleaning & Analysis ✔ Excel (Advanced Functions, VBA) & Python Automation ✔ Data Annotation / Image Annotation (AI/ML projects) ✔ Market & Industry Research ✔ Report Writing (Scientific & Technical) I am detail-oriented, reliable, and committed to delivering high-quality, well-structured, and actionable results to help clients achieve their goals.

Hi, I’m Pramod, a skilled Data Annotation, Data Entry, Transcription and LLM Data Training Expert with hands on experience (3+ years) using Labelbox, Labelme, CVAT, Labelstudio, Roboflow, Supervisely, Super Annotate and VGG Image Annotator (VIA) and Microsoft Excel. I ensure your datasets are clean, precise, and ready for production use. I’ve worked on large-scale image and video labeling projects for AI model training (semantic segmentation, bounding box, LiDAR, etc.). I also handle accurate Excel/Google Sheet data entry, web research, file conversion and cleaning tasks. ✅ 𝐇𝐨𝐰 𝐈 𝐂𝐚𝐧 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮𝐫 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 Create accurate image, video and text annotations for AI model training Provide error-free data entry, cleaning and formatting using Excel or Google Sheets Perform audio/video transcription with time stamps and context accuracy Support LLM data labeling, text categorization and prompt/response evaluation Maintain structured datasets that enhance both AI and business performance ✅ 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐀𝐫𝐞𝐚𝐬 Annotation Tasks: ✔️ Bounding box, polygon and keypoint labeling ✔️ Semantic segmentation & classification ✔️ LiDAR and 3D data annotation ✔️ Quality review and dataset validation Data Entry Tasks: ✔️ Excel/Google Sheets data entry & cleaning ✔️ Web research & copy-paste work ✔️ File conversions (PDF ↔ Excel/Word/CSV) ✔️ Data formatting and sorting LLM & NLP Data Work: ✔️ Text annotation and intent labeling ✔️ Prompt writing & evaluation for LLM training ✔️ Content moderation and data validation ✔️ Response ranking and fact-checking tasks ✅ 𝐖𝐡𝐲 𝐇𝐢𝐫𝐞 𝐌𝐞 ✔️ Multi-skilled professional in annotation, transcription and AI data work ✔️ 100% accuracy, confidentiality and on-time delivery ✔️ Familiar with AI workflows and human-in-the-loop data validation ✔️ Fast learner, adaptable, and open to long-term projects 📩 Let’s work together to create error-free, well-organized and high-quality data that drives real results.