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LSST Data Management Base Package
|
Classes | |
class | Footprint |
Functions | |
Box | bounds_to_bbox (tuple[int, int, int, int] bounds) |
Image | footprints_to_image (Sequence[Footprint] footprints, tuple[int, int] shape) |
np.ndarray | get_wavelets (np.ndarray images, np.ndarray variance, int|None scales=None) |
np.ndarray | get_detect_wavelets (np.ndarray images, np.ndarray variance, int scales=3) |
Variables | |
logger = logging.getLogger("scarlet.detect") | |
Box lsst.scarlet.lite.detect.bounds_to_bbox | ( | tuple[int, int, int, int] | bounds | ) |
Convert the bounds of a Footprint into a Box Notes ----- Unlike slices, the bounds are _inclusive_ of the end points. Parameters ---------- bounds: The bounds of the `Footprint` as a `tuple` of ``(bottom, top, left, right)``. Returns ------- result: The `Box` created from the bounds
Definition at line 38 of file detect.py.
Image lsst.scarlet.lite.detect.footprints_to_image | ( | Sequence[Footprint] | footprints, |
tuple[int, int] | shape ) |
Convert a set of scarlet footprints to a pixelized image. Parameters ---------- footprints: The footprints to convert into an image. shape: The shape of the image that is created from the footprints. Returns ------- result: The image created from the footprints.
Definition at line 114 of file detect.py.
np.ndarray lsst.scarlet.lite.detect.get_detect_wavelets | ( | np.ndarray | images, |
np.ndarray | variance, | ||
int | scales = 3 ) |
Get an array of wavelet coefficents to use for detection Parameters ---------- images: The array of images with shape `(bands, Ny, Nx)` for which to calculate wavelet coefficients. variance: An array of variances with the same shape as `images`. scales: The maximum number of wavelet scales to use. Note that the result will have `scales+1` total arrays, where the last set of coefficients is the image of all flux with frequency greater than the last wavelet scale. Returns ------- starlets: The array of wavelet coefficients for pixels with siignificant amplitude in each scale.
Definition at line 175 of file detect.py.
np.ndarray lsst.scarlet.lite.detect.get_wavelets | ( | np.ndarray | images, |
np.ndarray | variance, | ||
int | None | scales = None ) |
Calculate wavelet coefficents given a set of images and their variances Parameters ---------- images: The array of images with shape `(bands, Ny, Nx)` for which to calculate wavelet coefficients. variance: An array of variances with the same shape as `images`. scales: The maximum number of wavelet scales to use. Returns ------- coeffs: The array of coefficents with shape `(scales+1, bands, Ny, Nx)`. Note that the result has `scales+1` total arrays, since the last set of coefficients is the image of all flux with frequency greater than the last wavelet scale.
Definition at line 137 of file detect.py.