nvds_mask_utils.h File Reference

Detailed Description

NVIDIA DeepStream mask utils API

Description: This file specifies the APIs used to transform mask buffers

Definition in file nvds_mask_utils.h.

Go to the source code of this file.

Functions
bool	nvds_mask_utils_resize_to_binary_argb32 (float *src, uint32_t *dst, uint32_t src_width, uint32_t src_height, uint32_t dst_width, uint32_t dst_height, uint32_t channel, float threshold, uint32_t argb32_px, uint32_t interpolation, cudaStream_t stream)
	resize FP32 Tensor and apply threshold to create INT32 binary tensor Output INT32 tensor pixels are assumed ARGB32 For resized pixels > threshold, transparency is set to 50% and other pixels are set to 100% transparent; RGB = 0 for all pixels More...
bool	nvds_mask_utils_resize_to_binary_uint8 (float *src, uint8_t *dst, uint32_t src_width, uint32_t src_height, uint32_t dst_width, uint32_t dst_height, uint32_t channel, float threshold, uint32_t interpolation, cudaStream_t stream)
	resize FP32 Tensor and apply threshold to create INT8 binary tensor Output INT8 tensor pixels are assumed INT8 For resized pixels > threshold, pixel = 1 and other pixels are set to 0 More...

Function Documentation

bool nvds_mask_utils_resize_to_binary_argb32	(	float *	src,
		uint32_t *	dst,
		uint32_t	src_width,
		uint32_t	src_height,
		uint32_t	dst_width,
		uint32_t	dst_height,
		uint32_t	channel,
		float	threshold,
		uint32_t	argb32_px,
		uint32_t	interpolation,
		cudaStream_t	stream
	)

resize FP32 Tensor and apply threshold to create INT32 binary tensor Output INT32 tensor pixels are assumed ARGB32 For resized pixels > threshold, transparency is set to 50% and other pixels are set to 100% transparent; RGB = 0 for all pixels

Parameters

src	[IN/OUT] source FP32 tensor
dst	[IN/OUT] dst INT32 (ARGB32) tensor
src_width	[IN] source FP32 tensor width
src_height	[IN] source FP32 tensor height
dst_width	[IN] dst INT32 (ARGB32) tensor width
dst_height	[IN] dst INT32 (ARGB32) tensor height
channel	[IN]
threshold	[IN]
argb_32	[IN] The pixel value in dst when src pixel > threshold
interpolation	[IN] The NPP interpolation method to use Enumeration copied below: NPPI_INTER_NN =1, Nearest neighbor filtering. NPPI_INTER_LINEAR Linear interpolation. NPPI_INTER_CUBIC Cubic interpolation. NPPI_INTER_CUBIC2P_BSPLINE Two-parameter cubic filter (B=1, C=0) NPPI_INTER_CUBIC2P_CATMULLROM Two-parameter cubic filter (B=0, C=1/2) NPPI_INTER_CUBIC2P_B05C03 Two-parameter cubic filter (B=1/2, C=3/10) NPPI_INTER_SUPER Super sampling. NPPI_INTER_LANCZOS Lanczos filtering. NPPI_INTER_LANCZOS3_ADVANCED Generic Lanczos filtering with order 3. NPPI_SMOOTH_EDGE Smooth edge filtering.
stream	[IN] The cuda-stream to use for scaling operation on GPU

bool nvds_mask_utils_resize_to_binary_uint8	(	float *	src,
		uint8_t *	dst,
		uint32_t	src_width,
		uint32_t	src_height,
		uint32_t	dst_width,
		uint32_t	dst_height,
		uint32_t	channel,
		float	threshold,
		uint32_t	interpolation,
		cudaStream_t	stream
	)

resize FP32 Tensor and apply threshold to create INT8 binary tensor Output INT8 tensor pixels are assumed INT8 For resized pixels > threshold, pixel = 1 and other pixels are set to 0

Parameters

src	[IN/OUT] source FP32 tensor
dst	[IN/OUT] dst INT8 (binary) tensor
src_width	[IN] source FP32 tensor width
src_height	[IN] source FP32 tensor height
dst_width	[IN] dst INT8 (binary) tensor width
dst_height	[IN] dst INT8 (binary) tensor height
channel	[IN]
threshold	[IN]
interpolation	[IN] The NPP interpolation method to use Enumeration copied below: NPPI_INTER_NN =1, Nearest neighbor filtering. NPPI_INTER_LINEAR Linear interpolation. NPPI_INTER_CUBIC Cubic interpolation. NPPI_INTER_CUBIC2P_BSPLINE Two-parameter cubic filter (B=1, C=0) NPPI_INTER_CUBIC2P_CATMULLROM Two-parameter cubic filter (B=0, C=1/2) NPPI_INTER_CUBIC2P_B05C03 Two-parameter cubic filter (B=1/2, C=3/10) NPPI_INTER_SUPER Super sampling. NPPI_INTER_LANCZOS Lanczos filtering. NPPI_INTER_LANCZOS3_ADVANCED Generic Lanczos filtering with order 3. NPPI_SMOOTH_EDGE Smooth edge filtering.
stream	[IN] The cuda-stream to use for scaling operation on GPU