docscopeOCR-7B-050425-exp
The docscopeOCR-7B-050425-exp model is a fine-tuned version of Qwen/Qwen2.5-VL-7B-Instruct, optimized for Document-Level Optical Character Recognition (OCR), long-context vision-language understanding, and accurate image-to-text conversion with mathematical LaTeX formatting. Built on top of the Qwen2.5-VL architecture, this model significantly improves document comprehension, structured data extraction, and visual reasoning across diverse input formats.
Key Enhancements
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Advanced Document-Level OCR: Capable of extracting structured content from complex, multi-page documents such as invoices, academic papers, forms, and scanned reports.
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Enhanced Long-Context Vision-Language Understanding: Designed to handle dense document layouts, long sequences of embedded text, tables, and diagrams with coherent cross-reference understanding.
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State-of-the-Art Performance Across Resolutions: Achieves competitive results on OCR and visual QA benchmarks such as DocVQA, MathVista, RealWorldQA, and MTVQA.
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Video Understanding up to 20+ minutes: Supports detailed comprehension of long-duration videos for content summarization, Q&A, and multi-modal reasoning.
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Visually-Grounded Device Interaction: Enables mobile/robotic device operation via visual inputs and text-based instructions using contextual understanding and decision-making logic.
Quick Start with Transformers
from transformers import Qwen2_5_VLForConditionalGeneration, AutoTokenizer, AutoProcessor
from qwen_vl_utils import process_vision_info
model = Qwen2_5_VLForConditionalGeneration.from_pretrained(
"prithivMLmods/docscopeOCR-7B-050425-exp", torch_dtype="auto", device_map="auto"
)
processor = AutoProcessor.from_pretrained("prithivMLmods/docscopeOCR-7B-050425-exp")
messages = [
{
"role": "user",
"content": [
{
"type": "image",
"image": "https://qianwen-res.oss-cn-beijing.aliyuncs.com/Qwen-VL/assets/demo.jpeg",
},
{"type": "text", "text": "Describe this image."},
],
}
]
text = processor.apply_chat_template(
messages, tokenize=False, add_generation_prompt=True
)
image_inputs, video_inputs = process_vision_info(messages)
inputs = processor(
text=[text],
images=image_inputs,
videos=video_inputs,
padding=True,
return_tensors="pt",
)
inputs = inputs.to("cuda")
generated_ids = model.generate(**inputs, max_new_tokens=128)
generated_ids_trimmed = [
out_ids[len(in_ids):] for in_ids, out_ids in zip(inputs.input_ids, generated_ids)
]
output_text = processor.batch_decode(
generated_ids_trimmed, skip_special_tokens=True, clean_up_tokenization_spaces=False
)
print(output_text)
Training Details
| Parameter | Value |
|---|---|
| Dataset Size | 274,209 samples (Modular Combination of Datasets) |
| Model Architecture | Qwen2_5_VLForConditionalGeneration |
| Hardware | 2 × NVIDIA A100 SXM (32 vCPUs) |
| Total Disk | 170,000 MB |
| Training Time | 9,020 seconds (~2.51 hours) |
| Learning Rate | 1e-5 |
| Scheduler | Linear Decay |
| Warmup Steps | 750 |
| Precision | bfloat16 |
[!note] The open dataset image-text response will be updated soon.
Intended Use
This model is intended for:
- High-fidelity OCR from documents, forms, receipts, and printed or scanned materials.
- Image and document-based question answering for educational and enterprise applications.
- Extraction and LaTeX formatting of mathematical expressions from printed or handwritten content.
- Retrieval and summarization from long documents, slides, and multi-modal inputs.
- Multilingual OCR and structured content extraction for global use cases.
- Robotic or mobile automation with vision-guided contextual interaction.
Limitations
- May show degraded performance on extremely low-quality or occluded images.
- Not optimized for real-time applications on low-resource or edge devices due to computational demands.
- Variable accuracy on uncommon or low-resource languages/scripts.
- Long video processing may require substantial memory and is not optimized for streaming applications.
- Visual token settings affect performance; suboptimal configurations can impact results.
- In rare cases, outputs may contain hallucinated or contextually misaligned information.
References
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DocVLM: Make Your VLM an Efficient Reader https://arxiv.org/pdf/2412.08746v1
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YaRN: Efficient Context Window Extension of Large Language Models
https://arxiv.org/pdf/2309.00071 -
Qwen2-VL: Enhancing Vision-Language Model’s Perception of the World at Any Resolution
https://arxiv.org/pdf/2409.12191 -
Qwen-VL: A Versatile Vision-Language Model for Understanding, Localization, Text Reading, and Beyond
https://arxiv.org/pdf/2308.12966 -
A Comprehensive and Challenging OCR Benchmark for Evaluating Large Multimodal Models in Literacy https://arxiv.org/pdf/2412.02210