detectObjects2: detect objects method2

In jianhong/cellCounter: cell counter

detect objects method2

Description

detect object

Usage

detectObjects2(
  img,
  offset = 0.2,
  objectSizeRange = c(10, 1000),
  size = 5,
  w = 40,
  h = 40,
  tolerance = 1,
  ext = 1,
  ...
)

Arguments

img	an object of Image or Image2.
offset, w, h	offset,w,h for thresh
objectSizeRange	numeric(2). object size range in pixel.
size	Brush size, see makeBrush.
tolerance, ext	see watershed.
...	not use.

Details

steps: 1. all piexl - mean value, 2. rescale to increase contrast detect the flys. 1. use opening to remove some samll objects 2. use fillHull to fill the holes. 3. use watershed to segment the object 4. use bwlabel to label the object 5. filter the object by size range

Value

an label Image.

Author(s)

Jianhong Ou

jianhong/cellCounter documentation built on June 10, 2022, 8 p.m.