docstr: Detect keypoints in image.
  
  Parameters
  ----------
  image : 2D array
      Input image.
docstr_tok: ["Detect","keypoints","in","image",".","Parameters","--","--","--","--","--","image",":","2D","array","Input","image","."]
code: def detect(self, image):
      """Detect keypoints in image.
  
      Parameters
      ----------
      image : 2D array
          Input image.
  
      """
      raise NotImplementedError()
  
file_path: scikit-image/skimage/feature/util.py
imports: import numpy
  from ..util import img_as_float
  from .._shared.utils import _supported_float_type, check_nD
label_desc: Use image node_id 2 for calling the FeatureDetector obj's underlying member method code with example usage: obj.detect(image) without return types