Two-dimensional wavelet flocculation analysis of fibre suspensions and paper sheets

Nordic Pulp and Paper Research Journal

Volumn 21, Issue 1, 2006, Pages 13-18

  Yan, Huawei ^a   Söderberg, Daniel ^b  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

^b INNVENTIA AB   (Sweden)

Author keywords

Cross Correlation; Fibre flocculation; Fibre flocs; Fibre suspension; Image analysis; Paper sheet; Wavelet transform

Indexed keywords

IMAGE ANALYSIS; PAPER SHEETING; WAVELET TRANSFORMS;

CROSS-CORRELATION; FIBRE FLOCCULATION; FIBRE FLOCS; FIBRE SUSPENSION;

SYNTHETIC FIBERS;

DISPERSIONS; FLOCCULATION; FLOCS; IMAGE ANALYSIS; IMAGES; PAPER SHEETS; SIGNALS;

EID: 33645660943     PISSN: 02832631     EISSN: None     Source Type: Journal    
DOI: 10.3183/npprj-2006-21-01-p013-018     Document Type: Article

References (19)

1. Beghello, L., Toivakka, M., Eklund, D. and Lindström, T. (1996): A Device for Measuring the Fiber Floc Sizes in Highly Turbulent Fiber Suspensions, Nord. Pulp Paper Res. J. 11(4), 249-253.
2. Bouydain, M., Colom, J. and Pladellorens, J. (1999): Using Wavelets to Determine Paper Formation by Light Transmission Image Analysis, TAPPI J. 82(7), 153-158.
3. Grossman, A. and Morlet, J. (1984): Decompositions of Hardy Functions into Square Integrable Wavelets of Constant Shape, SIMA Journal of Mathematical Analysis, 15(4),723-736.
4. Kaji, H., Monma, K. and Katsura, T. (1991): Fractal Analysis of Flocculation in Pulp Suspension, TAPPI International Paper Physics Conference, Hawaii, 291-297.
5. Karema, H., Kataja, M., Kellomäki, M., Salmela, J. and Selenius, P. (1999): Transient Fluidisation of Fibre Suspension in Straight Channel Flow, TAPPI International Paper Physics Conference, San Diego, 369-379.
6. Keller, S., Lewalle, J. and Luner, P. (1999a): Analysis of Paper Variability Using the Continuous Wavelet Transform, Paperi Puu, 81(6), 440-446.
7. Keller, S., Luner, P. and Pawlak, J. (1999b): Characterization of the Spatial Variability of Paper Formation Using a Continuous Wavelet Transform, TAPPI International Paper Physics Conference, San Diego, 357-368.
8. Keller, S., Lewalle, J. and Luner, P. (1999c): Wavelet Analysis of Simulated Paper Formation, Paperi Puu, 81(7), 499-505.
9. Kellomäki, M., Karema, H., Kataja, M., Salmela, J. and Selenius, P. (1999): Fiber Flocculation Measurement in Pipe Flow by Digital Image Analysis, TAPPI International Paper Physics Conference, San Diego, 461-463.
10. Kerekes, R. and Schell, C. (1992): Characterization of Fibre Flocculation Regimes by a Crowding Factor, J. Pulp Paper Sci. 18(1), J32-J38.
11. Mao, R. and Bopardikar, A. (1998): "Wavelet Transforms: Introduction to Theory and Applications", Addison Wesley Longman, Inc., ISBN 0-201-63463-5.
12. Onabe, F., Sohn, C., Kuboshima, K. and Nakano, O. (1987): Evaluation of Flocculation Phenomena of Pulp and Filler Suspensions under Dynamic Conditions by Digital Image Processing, TAPPI International Paper Physics Conference, Mont-Rolland, 133-138.
13. Pierre, C. (2000): A New Sensor for the Measurement of Fiber Flocculation in the Stock: A Tool for the Sheet Formation Control, COST Action E14, Lisbon, 9 pages.
14. Ringnér, J. and Rasmuson, A. (2000): Characterisation of Fibre Suspensions Using X-Ray Computed Tomography and Image Analysis, Nord. Pulp Paper Res. J. 15(4), 319-325.
15. Röding, S. and Norman, B. (1986): FEX, the New STFI Experimental Papermachine, Tappi J. 69(5), 94-97
16. Söderberg, D. (2000): A Visual Study of the Dynamics of a Headbox Jet, TAPPI Engineering Conference, Atlanta, 9 pages.
17. Wågberg, L. (1985): A Device for Measuring the Kinetics of Flocculation Following Polymer Addition in Turbulent Fiber Suspensions, Svensk Papperstidning, 88(6), R48-R56.
18. Yan, H. and Norman, B. (2006): Fibre Floc Behaviour of Softwood Kraft Pulp in Flowing Suspensions, Nord. Pulp Paper Res. J. 21(1), 24-29.
19. Yan, H., Norman, B. and Lindström, T. (2006): A Flow Loop System for Study of Fibre Suspension Flocculation, Nord. Pulp Paper Res. J. 21(1), 19-23.