This section documents the kernels defined for Image Pre/Post Processing. More...

Data Structures
struct	tivxImgPreProcParams

struct	tivxODPostProcParams

struct	tivxDofPlaneSepParams

struct	tivxVisualLocalizationParams

struct	tivxPixelVizParams

struct	tivxImgMosaicParams

struct	tivxODDrawDetectionsParams

Macros
#define	TIVX_MODULE_NAME_IMG_PROC "img_proc"
	OpenVX module name. More...

#define	TIVX_PIXEL_VIZ_MAX_TENSOR (3U)

Functions
void	tivxImgProcLoadKernels (vx_context context)
	Used for the Application to load the img_proc kernels into the context. More...

void	tivxImgProcUnLoadKernels (vx_context context)
	Used for the Application to unload the img_proc kernels from the context. More...

vx_kernel	tivxAddKernelPixelViz (vx_context context, vx_int32 num_output_tensors)
	Used for the Application to create the pix viz kernel from the context. More...

vx_kernel	tivxAddKernelImgMosaic (vx_context context, vx_int32 num_inputs)
	Used by the application to create the mosaic kernel from the context. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxODPostProcNode (vx_graph graph, vx_array configuration, vx_tensor input_key_points, vx_tensor fwd_table_tensor, vx_tensor rev_table_tensor, vx_tensor kp_tensor, vx_tensor kp_valid)
	Creates a Post processing Node for Parking Spot Detection Algorithm. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxDofPlaneSepNode (vx_graph graph, vx_array configuration, vx_tensor in_dof, vx_tensor out_planes)
	Creates a Dense Optical Flow (Dof) 3 plane creation Node. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxPixelVizNode (vx_graph graph, vx_kernel kernel, vx_user_data_object configuration, vx_user_data_object tidl_out_args, vx_image in_img, vx_int32 num_output_tensors, vx_tensor detection[], vx_image out_img[])
	Creates an image with pixel level detection/label overlayed. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxVisualLocalizationNode (vx_graph graph, vx_array configuration, vx_tensor voxel_info, vx_tensor map_3d_points, vx_tensor map_desc, vx_tensor ext_feat_pt, vx_tensor ext_feat_desc, vx_tensor up_samp_wt, vx_tensor lens_dist_table, vx_matrix pose_tensor)
	Estimating the camera location from captured image and map information. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxPoseVizNode (vx_graph graph, vx_array configuration, vx_matrix pose_tensor, vx_image output_image)
	Visualization of the estimated location. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxImgMosaicNode (vx_graph graph, vx_kernel kernel, vx_user_data_object config, vx_image output_image, vx_object_array input_arr[], vx_uint32 num_inputs)
	Image Mosiac Node. More...

VX_API_ENTRY vx_node VX_API_CALL	tivxODDrawDetectionsNode (vx_graph graph, vx_user_data_object configuration, vx_tensor kp_tensor, vx_tensor kp_valid, vx_tensor input_tensor, vx_image input_image, vx_image output_image)
	OD Draw Detections Node. More...

Detailed Description

This section documents the kernels defined for Image Pre/Post Processing.

Macro Definition Documentation

◆ TIVX_MODULE_NAME_IMG_PROC

#define TIVX_MODULE_NAME_IMG_PROC "img_proc"

OpenVX module name.

◆ TIVX_PIXEL_VIZ_MAX_TENSOR

#define TIVX_PIXEL_VIZ_MAX_TENSOR (3U)

Function Documentation

◆ tivxImgProcLoadKernels()

void tivxImgProcLoadKernels ( vx_context context )

Used for the Application to load the img_proc kernels into the context.

◆ tivxImgProcUnLoadKernels()

void tivxImgProcUnLoadKernels ( vx_context context )

Used for the Application to unload the img_proc kernels from the context.

◆ tivxAddKernelPixelViz()

vx_kernel tivxAddKernelPixelViz	(	vx_context	context,
		vx_int32	num_output_tensors
	)

Used for the Application to create the pix viz kernel from the context.

◆ tivxAddKernelImgMosaic()

vx_kernel tivxAddKernelImgMosaic	(	vx_context	context,
		vx_int32	num_inputs
	)

Used by the application to create the mosaic kernel from the context.

◆ tivxODPostProcNode()

VX_API_ENTRY vx_node VX_API_CALL tivxODPostProcNode	(	vx_graph	graph,
		vx_array	configuration,
		vx_tensor	input_key_points,
		vx_tensor	fwd_table_tensor,
		vx_tensor	rev_table_tensor,
		vx_tensor	kp_tensor,
		vx_tensor	kp_valid
	)

Creates a Post processing Node for Parking Spot Detection Algorithm.

Node does generates interpolated points on parking spot periphery from four corners points detected from deep learning based algorithm

Parameters

[in]	graph	The reference to the graph.
[in]	configuration	Array element type tivxODPostProcParams, max number of elements = 1
[in]	input_key_points	Interleaved 4 corner points of multiple parking spots.
[in]	fwd_table_tensor	Angular map table for rectilinear angle to fish eye angle
[in]	rev_table_tensor	Angular map table for fish eye angle to rectilinear angle
[in]	kp_tensor	output interpolated points on periphery of parking spot
[in]	kp_valid	output flag of validity for each parking spot

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxDofPlaneSepNode()

VX_API_ENTRY vx_node VX_API_CALL tivxDofPlaneSepNode	(	vx_graph	graph,
		vx_array	configuration,
		vx_tensor	in_dof,
		vx_tensor	out_planes
	)

Creates a Dense Optical Flow (Dof) 3 plane creation Node.

Node does creation of three planes (each of 8 bit) from the raw 32 bit output from Dof hardware accelerator 3 planes corresponds to horizontal, vertical flow vectors and confidence

Parameters

[in]	graph	The reference to the graph.
[in]	configuration	Array element type tivxDofPlaneSepParams, max number of elements = 1
[in]	in_dof	input dof buffer
[in]	out_planes	output planes.

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxPixelVizNode()

VX_API_ENTRY vx_node VX_API_CALL tivxPixelVizNode	(	vx_graph	graph,
		vx_kernel	kernel,
		vx_user_data_object	configuration,
		vx_user_data_object	tidl_out_args,
		vx_image	in_img,
		vx_int32	num_output_tensors,
		vx_tensor	detection[],
		vx_image	out_img[]
	)

Creates an image with pixel level detection/label overlayed.

Node does blending of input image with pixel level detection/classification data for visualization purpose.

Parameters

[in]	graph	The reference to the graph.
[in]	kernel	The reference to openvx kernel
[in]	configuration	Array element type tivxODPostProcParams, max number of elements = 1
[in]	tidl_out_args	out args of tidl to receive the scale values of each output tensor
[in]	in_img	Input image.
[in]	num_output_tensors	Number of output tensors/images.
[in]	detection	Detection planes
[out]	out_img	ovelayed output image

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxVisualLocalizationNode()

VX_API_ENTRY vx_node VX_API_CALL tivxVisualLocalizationNode	(	vx_graph	graph,
		vx_array	configuration,
		vx_tensor	voxel_info,
		vx_tensor	map_3d_points,
		vx_tensor	map_desc,
		vx_tensor	ext_feat_pt,
		vx_tensor	ext_feat_desc,
		vx_tensor	up_samp_wt,
		vx_tensor	lens_dist_table,
		vx_matrix	pose_tensor
	)

Estimating the camera location from captured image and map information.

Node estimates the location in 3d world co-ordinate

Parameters

[in]	graph	The reference to the graph.
[in]	configuration	Array element type tivxODPostProcParams, max number of elements = 1
[in]	voxel_info	Voxel info. voxels are cuboid in real world
[in]	map_3d_points	Map 3D points
[in]	map_desc	Map descriptors
[in]	ext_feat_pt	Externally computed feature points(x,y)
[in]	ext_feat_desc	Feature descriptor for each feature point
[in]	up_samp_wt	Filter weights for upsampling
[in]	lens_dist_table	Fish eye lens distortion table
[out]	pose_tensor	Output pose matrix of size 3x4

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxPoseVizNode()

VX_API_ENTRY vx_node VX_API_CALL tivxPoseVizNode	(	vx_graph	graph,
		vx_array	configuration,
		vx_matrix	pose_tensor,
		vx_image	output_image
	)

Visualization of the estimated location.

Node generated an image with visualization of X, Y location of 3D world on image plane

Parameters

[in]	graph	The reference to the graph.
[in]	configuration	Array element type tivxODPostProcParams, max number of elements = 1
[in]	pose_tensor	Input pose matrix created by tivxVisualLocalizationNode Node
[out]	output_image	Output image

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxImgMosaicNode()

VX_API_ENTRY vx_node VX_API_CALL tivxImgMosaicNode	(	vx_graph	graph,
		vx_kernel	kernel,
		vx_user_data_object	config,
		vx_image	output_image,
		vx_object_array	input_arr[],
		vx_uint32	num_inputs
	)

Image Mosiac Node.

Used to mosiac a list of images onto to a sigle image

Parameters

[in]	graph	The reference to the graph.
[in]	kernel	The reference to the openvx kernel
[in]	config	Mosaic configuration of type tivxImgMosaicParams
[out]	output_image	Output image of type vx_image
[in]	input_arr	Array of inputs
[in]	num_inputs	Number of inputs, i.e number of elements in input_arr[]

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

◆ tivxODDrawDetectionsNode()

VX_API_ENTRY vx_node VX_API_CALL tivxODDrawDetectionsNode	(	vx_graph	graph,
		vx_user_data_object	configuration,
		vx_tensor	kp_tensor,
		vx_tensor	kp_valid,
		vx_tensor	input_tensor,
		vx_image	input_image,
		vx_image	output_image
	)

OD Draw Detections Node.

Used to draw detections on an image

Parameters

[in]	graph	reference to the graph.
[in]	configuration	configuration of type tivxODDrawDetectionParams
[in]	kp_tensor	keypoint tensor from OD postprocessing node
[in]	kp_valid	valid keypoints tensor from OD postprocessing node
[in]	input_tensor	TIDL output tensor of detected key points
[in]	input_image	Input image to draw detections
[out]	output_image	Output image with detections drawn

Return values

vx_node A node reference. Any possible errors preventing a successful creation should be checked using vxGetStatus

Data Structures

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ TIVX_MODULE_NAME_IMG_PROC

◆ TIVX_PIXEL_VIZ_MAX_TENSOR

Function Documentation

◆ tivxImgProcLoadKernels()

◆ tivxImgProcUnLoadKernels()

◆ tivxAddKernelPixelViz()

◆ tivxAddKernelImgMosaic()

◆ tivxODPostProcNode()

◆ tivxDofPlaneSepNode()

◆ tivxPixelVizNode()

◆ tivxVisualLocalizationNode()

◆ tivxPoseVizNode()

◆ tivxImgMosaicNode()

◆ tivxODDrawDetectionsNode()