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Python package for signal processing, with emphasis on iterative methods

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**Describe the bug** Is sigpy.mri.poisson designed to support 1D sampling pattern generation? The following code snippet would hangs the function, without any error. ``` mask1 = sigpy.mri.poisson( (256,1), ... )...

bug

**Is your feature request related to a problem? Please describe.** There is no wavelet transform in GPU. Currently, SigPy moves array to CPU and uses pywavelet to perform the wavelet...

enhancement
help wanted

**Describe the bug** Starting around v1.20, numpy has deprecated generic data types (np.float, np.bool, np.complex) in favor of standard python types (float, bool, complex). This is causing a flurry of...

bug

ISODELAY time of a simulated RF pulse is needed to make it really useful. **What's I want** sigpy.mri.rf.slr.dzrf() return designed RF pulse and its isodelay.

enhancement

Added SLR pulse isodelay calculator, documentation, and included coverage in test_slr.py

When I call `mr.poisson((640, 320), accel = 4, calib = (20, 20), crop_corner = False)`, I get the following error: ``` free(): invalid next size (normal) Aborted (core dumped) ```...

bug
help wanted

When using 'Sigpy.mri.poission' in pytorch's 'Dataloader' to generate random mask(iterative generation), it is easy to occur 'Aborted (core dumped)' in any step and shut down my process. I want to...

bug
help wanted

**Describe the bug** `sigpy.mri.poisson` hangs when *both* the `seed` and `calib` arguments are passed in. **To Reproduce** See this colab below https://colab.research.google.com/drive/1k0w6KjkPHx8U8K8dXmaFVi9hO1Cg1Z1e?usp=sharing **Expected behavior** Passing both these arguments together should...

bug
help wanted