Sparsity-based adverse weather detection
AssigneeQUALCOMM Incorporated
InventorsMing-Yuan YU, Senthil Kumar YOGAMANI, Varun RAVI KUMAR
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Abstract
Aspects presented herein may enable a UE to detect and identify a weather condition of an environment based on the sparsity of FFT/DWT coefficients derived from a set of range images associated with the environment. In one aspect, a UE converts a set of point clouds associated with an environment to a set of range images based on a spherical projection. The UE applies at least one of FFT or DWT to the set of range images to obtain a set of FFT coefficients or a set of DWT coefficients. The UE identifies a level of a condition for the environment based on a sparsity of the set of FFT coefficients or the set of DWT coefficients.
Claims30
An apparatus for wireless communication at a user equipment (UE), comprising:
- a transceiver;
- at least one memory;
- and
- at least one processor coupled to the at least one memory and, based at least in part on information stored in the at least one memory, the at least one processor, individually or in any combination, is configured to:
- convert a set of point clouds associated with an environment to a set of range images based on a spherical projection;
- apply at least one of Fast Fourier Transform (FFT) or Discrete Wavelet Transform (DWT) to the set of range images to obtain a set of FFT coefficients or a set of DWT coefficients;
- and
- identify a level of a condition for the environment based on a sparsity of the set of FFT coefficients or the set of DWT coefficients.
A method of wireless communication at a user equipment (UE), comprising:
- converting a set of point clouds associated with an environment to a set of range images based on a spherical projection;
- applying at least one of Fast Fourier Transform (FFT) or Discrete Wavelet Transform (DWT) to the set of range images to obtain a set of FFT coefficients or a set of DWT coefficients;
- and
- identifying a level of a condition for the environment based on a sparsity of the set of FFT coefficients or the set of DWT coefficients.
An apparatus for wireless communication at a user equipment (UE), comprising:
- means for converting a set of point clouds associated with an environment to a set of range images based on a spherical projection;
- means for applying at least one of Fast Fourier Transform (FFT) or Discrete Wavelet Transform (DWT) to the set of range images to obtain a set of FFT coefficients or a set of DWT coefficients;
- and
- means for identifying a level of a condition for the environment based on a sparsity of the set of FFT coefficients or the set of DWT coefficients.
A computer-readable medium storing computer executable code at a user equipment (UE), the code when executed by at least one processor causes the at least one processor to:
- convert a set of point clouds associated with an environment to a set of range images based on a spherical projection;
- apply at least one of Fast Fourier Transform (FFT) or Discrete Wavelet Transform (DWT) to the set of range images to obtain a set of FFT coefficients or a set of DWT coefficients;
- and
- identify a level of a condition for the environment based on a sparsity of the set of FFT coefficients or the set of DWT coefficients.
Dependencies are inferred from the claim text.