This site is devoted to mathematics and its applications. Created and run by Peter Saveliev.

Measuring chromosomes

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This image analysis example came from a biology researcher: "karyotyping of chromosomes: 1-rearrange the chromosomes; 2-detect the length of each chromosome's arm."

chromosomes clearly visible The borders of the chromosomes are captured but not individually, can't count them

Pixcavator easily produced these contours but, as you can see, the chromosomes aren't quite separated. Best you can do here is to compute the average size of the chromosome, if you already know how many you've got... To separate them, the best bet is watershed segmentation.


Other image analysis examples