Bar-JEPA — Bar Chart Value Extraction

Tools

• bar_jepa_chart_extraction_extract_values Extract the numeric value of every bar in a vertical bar chart image. Runs the Bar-JEPA pipeline (I-JEPA ViT-H encoder + classic keypoint decoder + NMS + PaddleOCR tick-label reading + RANSAC regression) on the uploaded chart. If a user passes a file as an input, use the upload_file_to_gradio tool, if present, to upload the file to the gradio app and create a Gradio File Input. Then use the returned path as the input to the tool. Returns: status: summary of how many bars / ticks were detected and whether, values could be recovered., table: rows [bar #, value, x position in px, keypoint confidence],, sorted left to right., detections: chart with predicted keypoints overlaid and the recovered, values annotated above each bar., activations: sigmoid classification maps for background / bar / tick.

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