1 / 23

Source:2004 IEEE International Conference on Networking, Sensing and

Progressive Transmission of Two-Dimensional Gel Electrophoresis Image Based on Context Features and Bit-plane Method. Source:2004 IEEE International Conference on Networking, Sensing and Control,2004, pp.1241-1246 Authors:Tung-Shou Chen, Hsien-Chu Wu,

ruggieri
Download Presentation

Source:2004 IEEE International Conference on Networking, Sensing and

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Progressive Transmission of Two-Dimensional Gel Electrophoresis Image Based on Context Features and Bit-plane Method Source:2004 IEEE International Conference on Networking, Sensing and Control,2004, pp.1241-1246 Authors:Tung-Shou Chen, Hsien-Chu Wu, Hui-Fang Tsai, Mingli Hsieh and Shu-Fen Chiou Speaker:Shu-Fen Chiou(邱淑芬) Date:2004/12/02

  2. Outline • 2D-gel Introduction • Progressive image transmission methods • Bit-plane method • JPEG progressive compression coding model • Our Method • Experimental results • Conclusions

  3. Introduction(1/2) Two-dimensional electrophoresis gel image

  4. Introduction(2/2) Pixel value y x

  5. Progressive Image Transmission (PIT) methods • Bit-plane method (BPM). • JPEG progressive compression coding model.

  6. Bit-plane Method First phase Second phase Third phase . . .

  7. JPEG progressive compression coding model 8 DCT 8 Transmitted in zig-zag order Discrete cosine transform Divided into 8x8 blocks

  8. Our method(1/8) • Determine the Background Value • Detect Protein Spots • Transmit the image progressively • Reconstruct the image

  9. Our method(2/8) • Background Value Average pixel value= 221+190+200+…+168+155/16 =187 Background value= 221+190+200+…+231+188/7 =204 4x4 image

  10. A • 567 • 4 0 • 321 • 0 • 7 1 • 2 • 5 3 • 4 Our method(3/8) • Detect Protein Spots Chain code direction is clockwise from 0, 1, … to 7

  11. | 235 - 211| = 24 , 24 < 30 | 171 - 211| = 40 , 40 > 30 | 171 - 144| = 27 , 27 < 30 Our method(4/8) • Detect Protein Spot Background average = 211 T1 = 30 T2 = 30 Protein spot 8x8 image

  12. (1,1) + Background (211) (3,3) (6,5) Our method(5/8) • phase 1 Receiver Sender 8x8 image 8x8 image

  13. Our method(6/8) = - difference restore image original image

  14. Our method(7/8) Receiver Sender phase 2 phase 2 phase 3 phase 3 . . . . . . 8x8 image phase 10 phase 10

  15. Our method(8/8) Receiver Sender phase 11 phase 11 phase 12 phase 12 8x8 image . . . . . . . . . phase 19 phase 19

  16. Experiment results(1/8) 512x512 original 2D image

  17. Experiment results(2/8) Phase 1: Bit-plane Method JPEG model Our method

  18. Experiment results(3/8) Phase 2: Bit-plane Method JPEG model Our method

  19. Experiment results(4/8 ) Phase 3: Bit-plane Method JPEG model Our method

  20. Experiment results(5/8 ) Phase 4: Bit-plane Method JPEG model Our method

  21. Experiment results(6/8 ) Phase 5: Bit-plane Method JPEG model Our method

  22. Experiment results(7/8 ) Phase 6: Bit-plane Method JPEG model Our method

  23. Conclusions • In comparison to the other two methods: • We can reveal a better image in lesser number of phases. • The total amount transmitted is smaller.

More Related