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Computer Vision / Document AI Engineer · Level: Mid–Senior About the role Reading engineering drawings is the hardest and most valuable problem You'll build the systems that parse dense, non-standard, often-scanned technical drawings — extracting geometry, symbols, dimensions, legends, and annotations that feed the scheduling engine. Responsibilities Build CV and document-understanding pipelines for engineering drawings (CAD exports, PDFs, scans) Develop OCR, symbol/legend recognition, line and dimension detection, and layout parsing Handle multi-page, multi-discipline drawing sets with inconsistent standards Create labeled datasets and continuously improve extraction accuracy Partner with the AI/ML engineer to hand off clean structured data downstream Requirements 4+ years in computer vision or document AI Strong experience with OCR, object/symbol detection, and document layout analysis Proficiency in Python and modern CV/ML frameworks (e.g., PyTorch) Experience with technical or engineering documents, or similarly dense/structured imagery Comfort building data pipelines and annotation workflows
Project ID: 40664859
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69 freelancers are bidding on average $34 USD/hour for this job

I am an experienced Computer Vision Engineer with over four years of expertise in developing AI-driven solutions for document interpretation, particularly in dense and structured imagery. My background in Computer Vision and Document AI positions me well to tackle the challenges of reading engineering drawings, which this project aims to address. I have extensive experience in building pipelines for document understanding, including OCR, symbol and legend recognition, and layout parsing. Proficient in Python and familiar with PyTorch, I have previously worked on projects involving the extraction of complex data from CAD exports, PDFs, and scanned technical documents. This involved creating labeled datasets and improving extraction accuracy continuously, a requirement closely aligned with this project. I am keen to further discuss how my skills can contribute to your project's success. Could we schedule a time to discuss your expectations in more detail? Thank you for considering my application.
$25 USD in 40 days
8.4
8.4

⭐⭐⭐⭐⭐ Create Efficient Computer Vision Solutions for Engineering Drawings ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for a Computer Vision / Document AI Engineer. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for document AI. I will build systems to parse complex engineering drawings, extracting essential data that can improve your workflow. ➡️ Why Me? I can easily do your project as I have over 4 years of experience in computer vision and document AI. My expertise includes OCR, symbol detection, and document layout analysis. Not only this, I have a strong grip on Python and modern CV/ML frameworks like PyTorch, ensuring I can deliver efficient solutions tailored to your needs. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Computer Vision ✅ Document AI ✅ Optical Character Recognition (OCR) ✅ Symbol Detection ✅ Document Layout Analysis ✅ Python Programming ✅ PyTorch Framework ✅ Data Pipeline Creation ✅ Annotation Workflows ✅ Multi-Page Document Handling ✅ Engineering Document Processing ✅ Quality Improvement Waiting for your response! Best Regards, Zohaib
$30 USD in 40 days
8.0
8.0

Hi, parsing engineering drawings is a document AI problem where the hard part is not OCR alone but preserving geometric and semantic relationships across inconsistent sheets, and I’ve built production AI pipelines around that kind of extraction boundary. The real engineering risk here is error propagation from low-confidence layout and symbol interpretation into downstream scheduling data. My closest match is AI-Driven Marketing Suite Development -- 2 for modular AI workflow design with computer vision components, plus Python Bug Localization Using Transformer Models (CodeBERT + TreeBERT) for dataset prep, confidence scoring, and evaluation discipline. I usually structure systems like this as separate stages: page normalization, region/layout parsing, symbol and text extraction, relationship resolution, then schema validation before handoff. For multi-page drawing sets, I recommend separating per-sheet extraction from cross-sheet reconciliation so failure modes stay measurable. I typically design reliability around confidence thresholds, review queues for ambiguous regions, and evaluation slices by scan quality, drawing discipline, and annotation density. That matters more than raw model accuracy averages. If useful, I can sketch the ingestion and extraction architecture and identify the highest-risk failure points in your drawing flow. Thanks, Hercules
$50 USD in 40 days
6.9
6.9

With my robust expertise and over 4 years of experience in computer vision and document AI, I am confident that I am the perfect fit for your project on AI-based engineering drawing interpretation. Having a profound understanding of OCR, object/symbol detection, and document layout analysis, I have successfully created a number of CV and document-understanding pipelines for complex technical documents, including engineering drawings, CAD exports, PDFs, and scans. This falls perfectly in line with your project goals of extracting geometry, symbols, dimensions, legends, and annotations from dense and often-scanned technical drawings. My core competency also extends into data pipelines and annotation workflows - skills that prove to be essential in dealing with multi-page, multi-discipline drawing sets with inconsistent standards. In addition to this, my background as an electrical engineer with a Master's in Embedded Systems gives me an added advantage in understanding dense structured imagery like technical or engineering documents - a field strongly aligned with this project. Moreover, being proficient in Python and modern CV/ML frameworks like PyTorch adds further strength to my candidacy. Overall, my substantial experience in building data-driven solutions combined with a deep knowledge of your project's requirements makes me the perfect candidate for your esteemed project.
$50 USD in 40 days
6.9
6.9

I got you! Your project needs a reliable CV/Document AI pipeline for dense engineering drawings, including OCR, symbol/legend recognition, line/dimension extraction, layout parsing, and structured handoff to downstream scheduling systems. I’m ready to handle the project specifics, build annotation/data workflows, and improve extraction accuracy iteratively. I’m young, a fast learner, and available 24/7 to move quickly. Get the demo first before you pay. A couple of key questions: Do you already have labeled drawing datasets, or should the annotation workflow be built from scratch? What output format do you need for extracted geometry, symbols, dimensions, and annotations—JSON, CAD-like vectors, database schema, or API? Let’s chat and discuss the answers so I can propose the best pipeline. Kind regards, Haroon Z
$50 USD in 1 day
5.9
5.9

Hi, I can build the drawing-understanding pipeline as a structured CV/document-AI system rather than relying on OCR alone. My approach would combine PDF/CAD rasterization and preprocessing, OCR with coordinate preservation, layout segmentation, symbol/object detection, line and dimension extraction, legend interpretation, and spatial association between annotations and drawing geometry. The output would be a normalized structured schema that the downstream scheduling/LLM engine can consume reliably. For scanned and inconsistent drawings, I’d include rotation/deskewing, scale/resolution normalization and confidence scoring, with low-confidence extractions routed for review rather than silently accepted. I’m comfortable with Python, PyTorch/OpenCV, OCR pipelines, object detection, dataset preparation and annotation workflows. I’d also establish evaluation datasets and per-component metrics so improvements to OCR, symbols, dimensions and layout extraction can be measured independently. I can start by evaluating representative drawing sets and establishing an extraction baseline before optimizing individual components.
$45 USD in 40 days
5.6
5.6

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) with 15+ years of experience, and I read your project description carefully. The goal of interpreting engineering drawings with Computer Vision / Document AI is clear, and it’s exactly the kind of problem where structure, accuracy, and edge-case handling matter. I’ve worked on Python-based OCR, document parsing, CV pipelines, and technical document extraction that turn complex files into structured data. I can help you build a practical first version that reads drawings, identifies key labels/symbols, and converts the important parts into a clean output format, with a focus on reliability, not just a demo. My approach: 1. Review sample drawings and define the target outputs 2. Build a preprocessing + OCR/CV pipeline 3. Add layout and annotation extraction logic 4. Validate on real examples and refine accuracy Could you please clarify the following questions to help me better understand the project? 1. What type of engineering drawings are these mainly, and in what file formats do you have them? 2. What exact output do you want, text only, structured JSON, annotated files, or something else? 3. Do you already have sample drawings and expected results for testing? If helpful, I can also share a few similar projects I’ve delivered in document AI, OCR, and technical data extraction. I’m serious about getting this right and would love to discuss the best first step with you. -James
$50 USD in 14 days
5.7
5.7

Engineering drawing interpretation is a parsing problem, not just an OCR problem, so I’ll build the pipeline around layout-aware detection, symbol/legend classification, and geometric context to extract dimensions and annotations reliably even from scanned, multi-page, and non-standard drawing sets. I’ll focus on practical accuracy loops: creating targeted labeled datasets from your real drawings, iterating on failure cases, and structuring the output cleanly for your scheduling engine.
$38 USD in 40 days
5.7
5.7

The core of this job is parsing dense, non-standard, often-scanned technical drawings, so I'll build a Computer Vision pipeline that starts with image preprocessing using OpenCV to denoise and deskew scanned documents, then I’ll employ a Deep Learning model trained with TensorFlow or PyTorch for object detection of symbols and dimensions, also using Tesseract for OCR on annotations. For geometry extraction, I’ll segment lines and curves. I’d build the OCR and symbol recognition first, because getting the text and key symbols right is foundational for understanding the rest of the drawing’s context. The brief mentions multi-page drawing sets with inconsistent standards, so I'll design the pipeline to handle variations in scale and resolution, also implementing a confidence scoring mechanism for extracted elements to flag potential errors for review. Track record on here: 100% on time, 100% on budget, 5.0 across 8 reviews. I need to know the target output format for the extracted geometry and dimensions. I will send a proposal with a detailed technical approach and timeline once I have that.
$42 USD in 7 days
5.4
5.4

I have over 5 years of experience in computer vision and document AI, specializing in extracting valuable insights from complex technical drawings. My strong background in OCR, symbol detection, and document layout analysis, coupled with proficiency in Python and frameworks like PyTorch, makes me a great fit for your project. I am dedicated to delivering high-quality, reliable solutions and have successfully tackled similar challenges in the past, ensuring accurate and structured data extraction for downstream applications.
$25 USD in 40 days
5.4
5.4

With a 4+ year journey in computer vision and document AI, I have conquered projects that demand working with similar dense and structured imagery like technical documents. My in-depth understanding of OCR, object/symbol detection, and document layout analysis is a perfect match for your engineering drawing interpretation task. I'm comfortable with the various aspects of CAD exports, PDFs, scans, as well as handling multi-page, multi-discipline drawing sets with inconsistent standards. In addition to my technical skills, I offer a project management perspective with extensive experience in workflow automation and documentation; these proficiencies will be invaluable in building CV and document-understanding pipelines for your engineering drawings. Finally but not least, my passion for long-term support aligned with my detail-oriented work style grants you the peace of mind knowing that not only will the job be done proficiently and on time but you'll have consistent support even after the project is completed. It would be a pleasure to leverage my expertise to help you extract crucial information from dense engineering drawings.
$38 USD in 40 days
5.3
5.3

I understand you're looking for an engineer to build robust CV and Document AI pipelines for interpreting complex engineering drawings, similar to the challenges faced in accurately extracting information from dense technical documents. My experience with OCR, object detection, and layout analysis for scanned documents makes me confident I can tackle this project. My approach will involve a multi-stage pipeline. Initially, we'll focus on pre-processing scanned images for noise reduction and binarization. For OCR, I'll leverage fine-tuned models like Tesseract or cloud-based solutions like Google Document AI, depending on accuracy requirements and tolerance for latency. Symbol and legend recognition will utilize object detection models (e.g., YOLO, Faster R-CNN) trained on custom datasets of engineering symbols. Line and dimension detection will employ Hough transforms and geometric analysis, followed by layout parsing using graph-based methods or transformer architectures to understand spatial relationships. I'll prioritize modularity and scalability for handling multi-page and multi-discipline sets. Given the non-standard nature of drawings, have you encountered specific types of symbols or annotations that proved particularly challenging in previous attempts? What is the desired output format for the extracted geometry and annotations to feed into the scheduling engine? I’m keen to discuss how my expertise can directly address these challenges.
$47 USD in 7 days
4.8
4.8

Engineering drawings break most OCR pipelines because the text is rotated, overlapped by leader lines, and mixed with symbols the model has never seen. I'll build a Python pipeline combining a fine-tuned detector for symbols and dimension lines with a layout parser that keeps legend context tied to each callout. One catch: scanned sheets need deskew and line-removal before OCR, or dimensions get eaten. 1) Are the drawings mostly vector PDFs, or scans? 2) Do you already have any labeled symbol sets to start from? Cheers Shayan
$34 USD in 40 days
4.8
4.8

This problem is less about generic OCR and more about building a reliable extraction pipeline for dense engineering drawings where geometry, symbols, dimensions, legends, and text all interact. I would structure the system as a multi-stage document-understanding pipeline: page classification and preprocessing, OCR/text extraction, symbol and object detection, line/dimension detection, layout parsing, legend matching, and finally normalization into a structured schema for downstream scheduling or engineering logic. For scanned and inconsistent drawings, I would include deskewing, denoising, scale handling, and confidence scoring rather than assuming clean CAD exports. Symbol recognition can be handled with targeted detection models, while dimensions and annotations should be linked spatially to the correct geometry instead of treated as isolated OCR text. I would also build the data pipeline so difficult pages can be flagged for annotation, added back into the training set, and used to improve accuracy over time. Evaluation would be separated by extraction type—OCR, symbols, dimensions, and layout—so failures are measurable rather than hidden behind one aggregate score. What drawing disciplines are the highest priority initially—architectural, structural, mechanical, electrical, or civil?
$25 USD in 40 days
3.9
3.9

I would use PaddleOCR or Tesseract for text extraction, OpenCV for detecting dimension lines and symbols, then a rules layer to map annotations to a structured schema. Deep learning for symbol classification if templates vary a lot. Can start today, working extraction pipeline on a sample drawing within 4 days. Budget and timeline here are early estimates, will firm up once I see actual drawing samples. Want to send me one to test on?
$50 USD in 14 days
3.9
3.9

40 hours/week, available for work. You can track project progress via the tracker. Hi! I’m a full-stack AI/ML developer with 5+ years of experience building Python-based AI solutions, computer vision pipelines and document-processing systems. For your engineering drawing problem, I’d build a robust document-understanding pipeline that handles scanned PDFs and CAD exports while preserving the spatial relationships needed downstream. My relevant experience includes: Python, OpenCV, PyTorch and modern CV/ML pipelines OCR and text extraction from complex documents Object, symbol and legend detection Line, dimension and geometry detection Document layout analysis and spatial relationship extraction Multi-page PDF/document processing Dataset creation, annotation workflows and model evaluation Image preprocessing, deskewing, denoising and resolution enhancement Structured JSON/data outputs for downstream AI systems Batch processing pipelines and accuracy monitoring Please share a few representative drawings and the expected structured output schema so I can assess the visual complexity, annotation requirements and best model approach. Looking forward to collaborating with you! Best regards, Prateek
$25 USD in 40 days
4.0
4.0

With 8 years of experience in full-stack and cross-platform app development, I can build robust computer-vision and document-AI pipelines for complex engineering drawings, focusing on accurate extraction of geometry, symbols, dimensions, annotations, and structured metadata. Part-Time: $500 USD/month (4 hrs/day, 20 hrs/week, 80 hrs/month) Full-Time: $1,000 USD/month (8 hrs/day, 40 hrs/week, 160 hrs/month) Skills & Experience: > > Python computer vision and document AI pipelines > > OCR processing for complex technical documents > > PyTorch based object detection model development > > Engineering drawing layout and symbol recognition > > Geometry, line, dimension, and annotation extraction > > Multi-page PDF and scanned document processing > > Dataset creation, annotation, training, and evaluation > > Structured data pipelines for downstream scheduling systems I can develop the pipeline incrementally, starting with drawing ingestion and preprocessing, followed by OCR, layout analysis, symbol detection, and structured output. I’ll also focus on dataset quality and measurable extraction accuracy so the system continuously improves with real-world drawing sets.
$25 USD in 20 days
4.0
4.0

Hi, I am a professional web developer and I can do this project "AI Based Engineering Drawing Interpretation", I have 5 years of experience in web development. I have done many projects like this. I can do this job for you. I can start right now. Please contact me. Thanks
$25 USD in 2 days
3.9
3.9

With a strong passion for effectively applying artificial intelligence(AI) technologies to real-world problems, my extensive experience in mobile app development and backend service development makes me the perfect candidate for this role. For over 8 years, I have adeptly handled complex projects with technologies such as Figma, React, Node.js, Flutter, Python just to name a few. This wealth of experience and skillset has honed my problem-solving instincts and ability to build robust systems. Moreover, I am well-versed in the field of AI Automation known as computer vision, which focuses on interpreting and making sense of intricate imagery. I have successfully handled projects involving Optical Character Recognition(OCR), object/symbol detection and document layout analysis. These skills are directly relevant to the job description you've provided and will enable me to build CV and document-understanding pipelines for engineering drawings perfectly. Furthermore, my proficiency in the modern CV/ML frameworks like PyTorch will be leveraged fully to improve extraction accuracy and overall system functionality. Lastly, my methodical approach to data handling will ensure that I create labeled datasets that continuously improve extraction accuracy-resulting in clean structured data downstream. Quite simply put, I possess the skills, experience, and drive that this project needs. Let's discuss further how we can leverage AI for your engineering drawing challenges!
$25 USD in 25 days
3.9
3.9

The hard part here is not OCR alone—it is reconstructing structure from noisy engineering drawings so symbols, dimensions, geometry, legends, and annotations become reliable machine-readable data downstream. I’ve built Python computer-vision pipelines using CNN-based image processing and production AI/data workflows, so this problem is closely aligned with my background. I’d approach it as a staged document pipeline: PDF/CAD rasterization and normalization, OCR/layout segmentation, symbol and legend detection, line/dimension extraction, then spatial association into a typed intermediate schema. Confidence scores and provenance would be preserved for every extracted element so uncertain results can enter review instead of silently contaminating scheduling logic. I’d also build annotation and evaluation loops around representative drawing sets to measure extraction accuracy by element type and improve models systematically.
$28 USD in 40 days
3.2
3.2

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