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README.md

@@ -74,7 +74,13 @@ In the notebook, you can see keyframes interleaving with text.
 
 
 ## Dataset Statistics
+We utilize GPT-4o to synthesize our knowledge taxonomy with 3915 knowledge points across 6 subjects, which enabled us to automatically collect 159K English instructional videos based on this taxonomy. 
 
+Following our video-totextbook pipeline, we filter 53% low-quality or repetitive videos and retain 75K videos (22,697 class hours) with an average duration of 18 minutes. 
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+Then we extract 6.5M keyframes and 0.75B text (ASR+OCR) tokens from these videos. To enhance training efficiency, we concatenate multiple video clips into a single sample, producing a total of 610K interleaved samples. Each sample contains an average of 10.7 keyframes and 1,230 text tokens. The detailed statistics for each subject are shown as follows:
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+<img src="./src/table.png" alt="Image" style="width: 900px;">    
 
 
 ## Using Our Dataset