This paper introduces an intelligent method for helping people to maintain their healthy by doing a self urinalysis utilising a smartphone camera. A color sensing method using a smartphone camera is designed to determine the value of a reagent strip in a urinalysis dipstick. In the dipstick urinalysis, a color change in each reagent strip is examined. This color change is a result of the reaction of dipstick to the chemical contents of urine including pH, Protein, Glucose, Ketones, Leucocyte, Nitrite, Bilirubine, and Urobilinogen. Performing disptick urinalysis can be done in almost any places even on the very remote area where medical laboratory cannot be found, and it is much easier and cheaper than medical lab visit. The proposed intelligent method includes a framework for color acquisition using a smartphone camera which covers the color management system, color correction, color matching, and quantification. The usage of RGB and CIELAB color space is discussed in the color management part. An automated color constancy approach is introduced to provide a better color correction, and a step-wise linear interpolation is introduced to better estimate the urinalysis value. To implement this proposed method, a closed acquisition box does not required. Disptick capturing can be done directly with a smartphone camera in almost any normal lighting condition.

Original languageEnglish
Title of host publicationInformation and Communication Technology - Second IFIP TC5/8 International Conference, ICT-EurAsia 2014, Proceedings
PublisherSpringer Verlag
Number of pages12
ISBN (Print)9783642550317
Publication statusPublished - 2014
Event2nd IFIP TC5/8 International Conference on Information and Communication Technology, ICT-EurAsia 2014 - Bali, Indonesia
Duration: 14 Apr 201417 Apr 2014

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8407 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Conference2nd IFIP TC5/8 International Conference on Information and Communication Technology, ICT-EurAsia 2014


  • color constancy
  • color sensing
  • dipstick urinalysis


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