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I have a collection of images featuring plates that contain both numbers and alphabet characters. The plates are already labeled, but I need each annotation carefully validated and, whenever necessary, corrected. Your task is to open every image, check that the plate region truly matches the ground-truth label, and fix any inaccuracies you see so the dataset is production-ready. Accuracy is absolutely critical here—if a bounding box is off by even a few pixels or if a character has been mis-read, the file must be updated. I would like the final result to be a clean set of corrected annotation files (JSON or XML, whichever you prefer) plus the revised images, zipped and ready for model training. A brief change log noting the number of fixes you made will also help me keep track of overall quality. If you are comfortable working with standard annotation tools such as LabelImg, CVAT, or Supervisely and can guarantee pixel-perfect plate boundaries and character integrity, this job should be straightforward.
Project ID: 40491618
17 proposals
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Active 2 days ago
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17 freelancers are bidding on average $19 USD for this job

Hi, I have experience working with computer vision datasets, annotation validation, and quality assurance for OCR/ANPR projects. I can carefully review each image, verify that the license plate region matches the provided ground-truth label, and correct any issues with bounding boxes, character labels, or annotation data. Accuracy is critical for model performance, so I will perform a manual validation process to ensure pixel-accurate plate boundaries and correct character sequences. Before awarding the project, I would appreciate a small sample task (10–20 images) so I can demonstrate the quality of my work and ensure it matches your expectations. Once approved, I can validate the full dataset, deliver corrected JSON/XML annotations, updated files ready for training, and provide a change log summarizing all fixes made. I am comfortable using CVAT, LabelImg, Supervisely, and other annotation tools, and I can start immediately.
$20 USD in 1 day
4.4
4.4

Experienced with image review, annotation validation, and quality assurance. I will carefully review each image, verify plate labels against the image content, correct annotation errors, ensure accurate bounding boxes, and provide clean corrected annotation files along with a change log summary. Available to start immediately.
$15 USD in 2 days
0.0
0.0

Hello, I am interested in your project and available to start immediately. I have experience in data review, information verification, document control, and quality checking. I pay close attention to detail and understand the importance of accuracy when reviewing annotations and labels. I can carefully review each image, verify that the license plate matches the annotation, identify inconsistencies, and ensure the final files are organized and ready for use. I am committed to delivering accurate results and following instructions carefully. I can also provide a summary of corrections made during the review process. Thank you for your consideration. Best regards, Oscar David Becerra Torres
$20 USD in 7 days
0.0
0.0

I am interested in reviewing and correcting your license plate annotation dataset. I have experience working with image datasets, data validation, annotation review, XML/JSON files, and quality control processes. I understand the importance of accurate bounding boxes and correct character labels for computer vision and OCR model training. For this project, I will: • Review every image and annotation individually • Verify that each plate region matches the ground-truth label • Correct inaccurate bounding boxes where necessary • Fix character recognition or transcription errors • Validate annotation consistency across the entire dataset • Deliver corrected XML or JSON annotation files • Organize the final dataset in a clean, training-ready structure • Provide a change log summarizing all corrections made I am detail-oriented and committed to maintaining high annotation quality standards. I would be happy to review a sample subset first to demonstrate accuracy before proceeding with the full dataset. I look forward to discussing the dataset size and project requirements. Best regards, Fatema Islam
$10 USD in 2 days
0.0
0.0

saya memiliki pengalaman dalam memilah suatu gambar ke dalam data yang mudah di baca dan detail saya akan dengan cermat memilah foto seperti tugas yang anda sebutkan
$20 USD in 7 days
0.0
0.0

I can help you carefully validate and correct the image annotations with a strong focus on accuracy and clean delivery. I'm comfortable working with JOSN/XML, image annotation checks, and data quality review and I'll make sure the final files are production ready with a clear change log.
$15 USD in 1 day
0.0
0.0

Hola, Gracias por la descripción del proyecto. Me interesa colaborar en la revisión y validación de anotaciones. Tengo experiencia en atención al detalle, manejo de datos y atención al cliente, lo que me permite ser cuidadoso al revisar información y detectar errores en registros. Puedo adaptarme rápidamente a las herramientas que utilicen y seguir instrucciones para asegurar la calidad de los datos. Antes de comenzar, me gustaría confirmar el volumen de imágenes y el formato actual de las anotaciones. Quedo atento. Gracias por su tiempo.
$15 USD in 7 days
0.0
0.0

Hello, My name is Harsh Agarwal, and I am an AI Developer. I have worked on company image annotation projects before and can complete this task with high accuracy. I will manually validate each image and annotation, verify that the license plate matches the ground-truth label, and correct any bounding box or character errors. I can work with LabelImg, CVAT, Supervisely, or any annotation format you prefer. and i need to know the number of images You will receive: Corrected annotation files (JSON/XML) Updated dataset ready for training Zipped final delivery Brief change log of all fixes made Accuracy and quality are my top priorities, and I can start by reviewing a sample of the dataset if needed. Looking forward to working with you. num : 7413985481 Harsh Agarwal
$25 USD in 15 days
0.0
0.0

I bring hands‑on expertise as both a data annotator and audio transcriptor, with a proven ability to deliver pixel‑perfect accuracy in annotation tasks. My background includes validating and correcting labeled datasets for AI/ML projects, ensuring that bounding boxes, character recognition, and metadata are flawless.
$25 USD in 10 days
0.0
0.0

Hello! I’m very interested in your annotation validation and correction project. I have experience working with image annotation tasks in CVAT, including reviewing existing annotations, identifying errors, and ensuring consistency and accuracy according to project guidelines. I understand that this project is focused on quality assurance rather than creating annotations from scratch. I am comfortable carefully reviewing each image, verifying that the annotated plate matches the ground-truth label, and correcting any issues I find. Before starting, I would appreciate a few clarifications: • Approximately how many images are included in the dataset? • Are the existing annotations stored in JSON, XML, or another format? • Does the task involve only validating plate bounding boxes and labels, or also reviewing individual character annotations? • Will annotation guidelines and examples of common errors be provided? • Is there a preferred annotation tool for making corrections? I can provide corrected annotation files, organized deliverables, and a summary report indicating the number and types of corrections made. I am available to start immediately and would be happy to complete a small test task to demonstrate the quality of my work. Looking forward to hearing more about the project! Best regards, Zhanna Zhivotova
$10 USD in 2 days
0.0
0.0

I have worked at Nielsen Sports India as a Data Analyst, where I handled large datasets, reporting, and data visualization. I also have experience in video labeling and data annotation tasks, ensuring accuracy and quality in training data for models
$20 USD in 7 days
0.0
0.0

Hi, I am a Computer Vision Engineer with 6+ years of experience working on image annotation, object detection, OCR, and dataset preparation for AI/ML models. For this project, I will carefully review every image and validate all plate annotations against the ground-truth labels. Any incorrect bounding boxes, misplaced coordinates, or character mismatches will be corrected to ensure high-quality, production-ready data. What I will deliver: • Complete validation of all images and annotations • Pixel-accurate license plate bounding box corrections • Character-level verification and label correction • Updated JSON/XML annotation files • Organized dataset with corrected images • Final ZIP package ready for model training • Detailed change log showing all fixes performed I am experienced with LabelImg, CVAT, Supervisely, and other annotation tools, and I understand the importance of annotation quality for OCR and license plate recognition systems. I can start immediately and will focus on accuracy, consistency, and timely delivery. Looking forward to working with you. Best Regards, Krishnan Computer Vision Engineer 6+ Years Experience in AI, Deep Learning & Computer Vision
$20 USD in 7 days
0.0
0.0

I can review and correct your complete plate-image annotation dataset to make it consistent and ready for model training. I have experience with computer vision datasets, object detection, OCR-related labeling, and annotation tools such as CVAT and LabelImg. I will manually inspect every image and compare the visible plate content against its existing ground-truth annotation. For each image, I will verify: • Plate bounding-box position and dimensions • Tight alignment with the true plate boundaries • Correct number and alphabet sequence • Missing, duplicated, or incorrect annotations • Image-to-annotation filename consistency • Valid annotation structure and class names Any inaccurate bounding boxes or character labels will be corrected. I can provide the final annotations in JSON or Pascal VOC XML format, based on your preferred training pipeline. Deliverables will include: • Validated and corrected annotation files • Revised images where modification is required • Dataset organized with consistent filenames • Final ZIP package ready for training • Change log showing reviewed images and total corrections • Summary of bounding-box, character, and file-format issues found I will also run final checks for invalid coordinates, missing files, duplicate annotations, empty labels, and image-dimension mismatches. My focus will be careful manual validation, annotation consistency, and traceable corrections rather than relying only on automated OCR results.
$20 USD in 7 days
0.0
0.0

Hello, We’d be glad to support your license plate annotation validation project. DataXWorks specializes in AI data annotation, validation, and quality assurance for computer vision datasets. We have experience reviewing and correcting image annotations, OCR labels, bounding boxes, and metadata to ensure datasets are production-ready for model training. For your project, we can: ✓ Validate every image against its ground-truth plate label ✓ Verify character-level accuracy and correct any OCR mismatches ✓ Review and refine bounding boxes to ensure pixel-accurate plate boundaries ✓ Update annotation files in XML or JSON format as required ✓ Deliver corrected annotations, revised images, and a detailed change log of all fixes made Our team is proficient with LabelImg, CVAT, Supervisely, and other industry-standard annotation platforms. We follow structured QA workflows with Human-in-the-Loop validation to ensure consistency, precision, and high-quality outputs. Accuracy is our priority, and we understand the importance of clean, validated datasets for successful computer vision model performance. We would be happy to complete a pilot batch to demonstrate our quality standards before full-scale production. Looking forward to discussing your requirements. Best Regards, DataXWorks – AI Data Annotation & Validation Services
$24 USD in 7 days
0.0
0.0

I have strong experience in image annotation and dataset cleaning from my current work in computer vision projects, where I regularly verify, refine, and correct ground-truth labels for high-precision model training. I have worked on similar tasks involving bounding box adjustment, annotation validation, and ensuring consistency between image content and labels to make datasets fully production-ready. For this project, I will carefully inspect each image, validate that the plate region is accurately captured, and ensure that all alphanumeric characters are correctly labeled without errors. Any misaligned bounding boxes or incorrect annotations will be fixed with pixel-level accuracy to maintain dataset quality. I use LabelMe for annotation and quality checks, and I am comfortable delivering the final corrected dataset in multiple standard formats including XML (Pascal VOC), TXT (YOLO), or COCO JSON depending on your requirement. I focus on maintaining strict accuracy and consistency across the entire dataset so that it is reliable for training robust OCR or detection models. In addition, I will provide a brief change log summarizing the number and type of corrections made, so you can easily track improvements in dataset quality.
$20 USD in 5 days
0.0
0.0

I have experience using ALPR and generating datasets that enabled the deployment of models currently in production. I have over five years of experience in this field. I can provide you with the data based on your requirements, using a Label Studio or PPOCR Label format.
$20 USD in 7 days
0.0
0.0

Dubai, India
Member since Apr 5, 2026
$30-250 USD
$15-25 USD / hour
$250-750 AUD
$30-250 AUD
₹1500-12500 INR
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$250-750 USD
₹100-400 INR / hour
₹12500-37500 INR
$250-750 USD
₹1500-12500 INR
$30-250 AUD
$30-250 USD
$15-25 USD / hour
$1500-3000 USD
$250-750 USD
€750-1500 EUR
$750-1500 USD
₹750-1250 INR / hour
$10-30 USD