pass_2() - 2023.2 English

API Syntax

template <int SRC_T, int HEIGHT, int WIDTH, int NPC, int XFCVDEPTH_OUT>
void pass_2(uint8_t* fwd_in_ptr,
            xf::cv::Mat<SRC_T, HEIGHT, WIDTH, NPC, XFCVDEPTH_OUT>& tmp_out_mat,
            uint8_t* out_ptr,
            int& def_pix,
            int height,
            int width)

Parameter Descriptions

The following table describes the template and the function parameters.

Table 222 Table Pass_2 Parameter Description
Parameter	Description
SRC_T	Input Pixel type. The current supported pixel value is XF_8UC1
HEIGHT	Maximum height of the image that hardware kernel must be built for
WIDTH	Maximum width of the image that hardware kernel must be built for
NPC	Number of Pixels to be processed per cycle. NPPC1 is supported.
XFCVDEPTH_OUT	Depth of Mat Image
fwd_in_ptr	Output Image pointer of fw_cca
tmp_out_mat	Output Image of rev_cca
out_ptr	Output Image pointer of pass_2
def_pix	number of defect pixels
height	height of Image pointer
width	width of Image pointer

Resource Utilization

The following table summarizes the resource utilization in different configurations, generated using Vitis HLS 2022.2 tool for the xcu200-fsgd2104-2-e, to process a FHD image.

Table 223 Table Defect detection Resource Utilization Summary at 300MHz Frequency and 1 Pixel per clock cycle
Pipelines	Utilization Estimate
Pipelines	BRAM_18K	DSP	FF	LUT	URAM
Gaussian_Otsu	12	71	11703	13633	0
Preprocess	7	9	4123	5244	0
Custom CCA	10	10	12642	13756	0

Performance Estimate

The following table summarizes the performance estimates in different configurations, generated using Vitis HLS 2022.2 tool for the xcu200-fsgd2104-2-e, to process a FHD image.

Table 224 Table GTM Performance Estimate Summary
Pipelines	Operating Frequency (MHz)	Latency Estimate
Pipelines	Operating Frequency (MHz)	Max (ms)
Gaussian_Otsu	300	7.1
Preprocess	300	14.4
Custom CCA	300	7