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The Coding Manual for Qualitative Researchers

The Coding Manual fourth edition is reformatted to 15 chapters and divided into three parts, as opposed to six chapters in the third edition.This provides readers with more stra...

2022 American Journal of Qualitative Research 10896 citations

Active contours without edges

We propose a new model for active contours to detect objects in a given image, based on techniques of curve evolution, Mumford-Shah (1989) functional for segmentation and level ...

2001 IEEE Transactions on Image Processing 10188 citations

Phylogenies and the Comparative Method

Comparative studies of the relationship between two phenotypes, or between a phenotype and an environment, are frequently carried out by invalid statistical methods. Most regres...

1985 The American Naturalist 9916 citations