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Efficient Light Balancing Techniques for Text Images in Video Presentation Systems

This paper discusses efficient techniques for balancing light in text images to improve visual quality in video presentation systems. The proposed method utilizes adaptive processing, resulting in good visual images and low execution time.

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Efficient Light Balancing Techniques for Text Images in Video Presentation Systems

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  1. Efficient Light Balancing Techniques for Text Images in Video Presentation Systems • Source: IEEE Transactions on Circuits and Systems for Video Technology, Vol. 15, No. 8, August 2005 • Author: Shih-Chang Hsia and Po-Shien Tsai • Speaker: Chih-Hao Chen • Date: 2008/05/14

  2. Introduction Original Image Processed Image

  3. Proposed Method(1/4) Original Image Content Removal LDI (Light Distribution Image) Processed Image

  4. If Proposed Method(2/4) background-block text-block n n

  5. Proposed Method(3/4) 100 200

  6. Proposed Method(4/4) 110 100 LDI 253 I’ I 241 200 210 EX:

  7. Experimental Results(1/3)

  8. Experimental Results(2/3) LDI (Processed Image)

  9. Experimental Results(3/3)

  10. Conclusions • Using adaptive processing • Good visual images • Low execution time

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