void image_filter(AXI_STREAM& input, AXI_STREAM& output, int rows, int cols) {
//Create AXI streaming interfaces for the core
#pragma HLS RESOURCE variable=input core=AXIS metadata="-bus_bundle INPUT_STREAM"
#pragma HLS RESOURCE variable=output core=AXIS metadata="-bus_bundle OUTPUT_STREAM"
#pragma HLS RESOURCE core=AXI_SLAVE variable=rows metadata="-bus_bundle CONTROL_BUS"
#pragma HLS RESOURCE core=AXI_SLAVE variable=cols metadata="-bus_bundle CONTROL_BUS"
#pragma HLS RESOURCE core=AXI_SLAVE variable=return metadata="-bus_bundle CONTROL_BUS"
#pragma HLS INTERFACE ap_stable port=rows
#pragma HLS INTERFACE ap_stable port=cols
GRAY_IMAGE img_0(rows, cols);
GRAY_IMAGE img_1(rows, cols);
GRAY_IMAGE img_2(rows, cols);
#pragma HLS dataflow
hls::AXIvideo2Mat(input, img_0);
hls::Sobel<1,0,3>(img_0, img_1);
hls::Sobel<0,1,3>(img_1, img_2);
hls::Mat2AXIvideo(img_2, output);
}
void image_filter(AXI_STREAM& INPUT_STREAM, AXI_STREAM& OUTPUT_STREAM, int rows, int
cols) {
//Create AXI streaming interfaces for the core
RGB_IMAGE img_0(rows, cols);
RGB_IMAGE img_1(rows, cols);
RGB_IMAGE img_2(rows, cols);
RGB_IMAGE img_3(rows, cols);
RGB_IMAGE img_4(rows, cols);
RGB_IMAGE img_5(rows, cols);
RGB_PIXEL pix(50, 50, 50);
// Convert AXI4 Stream data to hls::mat format
hls::AXIvideo2Mat(INPUT_STREAM, img_0);
// Execute the video pipelines
hls::Sobel<1,0,3>(img_0, img_1);
hls::SubS(img_1, pix, img_2);
hls::Scale(img_2, img_3, 2, 0);
hls::Erode(img_3, img_4);
hls::Dilate(img_4, img_5);
// Convert the hls::mat format to AXI4 Stream format
hls::Mat2AXIvideo(img_5, OUTPUT_STREAM);
}