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NVIDIA
NVIDIA
Optical Character Recognition
Model
NVIDIA
NVIDIA
Optical Character Recognition

Model to recognise characters from a preceding OCDNet model.

This model is backed by NVIDIA's Plus Plus (++) Promise
to learn more about the quality of the datasets used to train this model.
FieldResponse
Intended Application(s) & Domain(s):OCR: This model is intended to be used in computer vision application for recognizing the optical characters in a scene.
OCD: This model is intended to be used for detecting text in images.
Model Type:OCR: This model is intended for developers who want to recognize/identify text from image data.
OCD: This model is intended for developers who want to detect optical characters from image data.
Intended Users:OCR: This model is intended for developers who want to customize optical character recognition models.
OCD: This model is intended to be used for detecting text in images.
Output:OCR: Sequence of characters
OCD: BBox or polygon coordinates for each detected text in the input image
Describe how the model works:OCR: The training algorithm minimizes the connectionist temporal classification (CTC) loss between a ground truth character sequence from the image and a predicted characters sequence. Characters are decoded from the sequence output by a best-path decoding method.
OCD: Based on DBNet, a network architecture for real-time scene text detection, this model aims to solve the problem of text localization and segmentation in natural images with complex backgrounds and various text shapes.
Technical Limitations:OCR: This model performs best on images representing its training set: Uber Text and TextOCR. Uber Text contains street view images. TextOCR has images with text in various scenes. Further fine-tuning might be required for domain-specific accuracy.
OCD: The NVIDIA OCDNet trainable model is trained on Uber Text, which contains street-view images only. Further fine-tuning might be required for domain-specific accuracy.
Verified to have met prescribed NVIDIA standards:OCR: Yes
OCD: Yes
Performance Metrics:OCR: Accuracy
OCD: hmean
Potential Risks:OCR: None Known
OCR: None Known
Licensing:https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/

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