Program Listing for File xf_inrange.hpp
↰ Return to documentation for file (include/imgproc/xf_inrange.hpp
)
/*
* Copyright 2019 Xilinx, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _XF_INRANGE_HPP_
#define _XF_INRANGE_HPP_
#ifndef __cplusplus
#error C++ is needed to include this header
#endif
typedef unsigned short uint16_t;
typedef unsigned char uchar;
#include "../common/xf_common.hpp"
#include "../common/xf_utility.hpp"
#include "hls_stream.h"
namespace xf {
namespace cv {
template <int WORDWIDTH_SRC, int WORDWIDTH_DST, int DEPTH_SRC, int DEPTH_DST, int SRC_T, int NPC>
void inrangeproc(XF_SNAME(WORDWIDTH_SRC) & val_src,
XF_SNAME(WORDWIDTH_DST) & tmp_val,
XF_PTNAME(DEPTH_DST) channel_out[XF_CHANNELS(SRC_T, NPC)],
XF_PTNAME(DEPTH_DST) _lower_thresh[XF_CHANNELS(SRC_T, NPC)],
XF_PTNAME(DEPTH_DST) _upper_thresh[XF_CHANNELS(SRC_T, NPC)]) {
XF_PTNAME(DEPTH_SRC) p;
ap_uint<8> tmp_val1 = 0;
for (ap_uint<13> k = 0; k < (1 << XF_BITSHIFT(NPC)); k++) {
// clang-format off
#pragma HLS unroll
// clang-format on
p = val_src.range(k * XF_PIXELDEPTH(DEPTH_SRC) + (XF_PIXELDEPTH(DEPTH_SRC) - 1), k * XF_PIXELDEPTH(DEPTH_SRC));
for (ap_uint<13> ch = 0, idx = 0; ch < XF_CHANNELS(SRC_T, NPC); ch++, idx += XF_DTPIXELDEPTH(SRC_T, NPC)) {
// clang-format off
#pragma HLS unroll
// clang-format on
tmp_val1 = p.range(idx + (XF_DTPIXELDEPTH(SRC_T, NPC) - 1), idx);
channel_out[ch] =
((tmp_val1 >= _lower_thresh[ch]) && (tmp_val1 <= _upper_thresh[ch])) ? (ap_uint<8>)255 : (ap_uint<8>)0;
}
if (XF_CHANNELS(SRC_T, NPC) != 1) {
tmp_val.range(k * XF_PIXELDEPTH(DEPTH_DST) + (XF_PIXELDEPTH(DEPTH_DST) - 1), k * XF_PIXELDEPTH(DEPTH_DST)) =
(channel_out[0] & channel_out[1] & channel_out[2]);
} else {
tmp_val.range(k * XF_PIXELDEPTH(DEPTH_DST) + (XF_PIXELDEPTH(DEPTH_DST) - 1), k * XF_PIXELDEPTH(DEPTH_DST)) =
channel_out[0];
}
}
}
template <int SRC_T,
int DST_T,
int ROWS,
int COLS,
int DEPTH_SRC,
int DEPTH_DST,
int NPC,
int WORDWIDTH_SRC,
int WORDWIDTH_DST,
int COLS_TRIP>
void xFinRangeKernel(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& _src_mat,
xf::cv::Mat<DST_T, ROWS, COLS, NPC>& _dst_mat,
unsigned char lower_thresh[XF_CHANNELS(SRC_T, NPC)],
unsigned char upper_thresh[XF_CHANNELS(SRC_T, NPC)],
unsigned short height,
unsigned short width) {
XF_SNAME(WORDWIDTH_SRC) val_src;
XF_SNAME(WORDWIDTH_DST) val_dst, tmp_val;
//,out;
XF_PTNAME(DEPTH_DST)
_lower_thresh[XF_CHANNELS(SRC_T, NPC)]; //=(XF_PTNAME(DEPTH))lower_thresh;
XF_PTNAME(DEPTH_DST)
_upper_thresh[XF_CHANNELS(SRC_T, NPC)]; //=(XF_PTNAME(DEPTH))upper_thresh;
XF_PTNAME(DEPTH_DST) channel_out[XF_CHANNELS(SRC_T, NPC)];
for (int i = 0; i < XF_CHANNELS(SRC_T, NPC); i++) {
_lower_thresh[i] = (XF_PTNAME(DEPTH_SRC))lower_thresh[i];
_upper_thresh[i] = (XF_PTNAME(DEPTH_SRC))upper_thresh[i];
}
ap_uint<13> i, j, k, c;
rowLoop:
for (i = 0; i < height; i++) {
// clang-format off
#pragma HLS LOOP_TRIPCOUNT min=ROWS max=ROWS
#pragma HLS LOOP_FLATTEN off
// clang-format on
colLoop:
for (j = 0; j < width; j++) {
// clang-format off
#pragma HLS LOOP_TRIPCOUNT min=COLS_TRIP max=COLS_TRIP
#pragma HLS pipeline
// clang-format on
val_src = (XF_SNAME(WORDWIDTH_SRC))(_src_mat.read(i * width + j));
inrangeproc<WORDWIDTH_SRC, WORDWIDTH_DST, DEPTH_SRC, DEPTH_DST, SRC_T, NPC>(val_src, tmp_val, channel_out,
_lower_thresh, _upper_thresh);
_dst_mat.write(i * width + j, tmp_val); // writing the val_dst into output stream _dst
}
}
}
template <int SRC_T, int DST_T, int ROWS, int COLS, int NPC = 1>
void inRange(xf::cv::Mat<SRC_T, ROWS, COLS, NPC>& src,
unsigned char lower_thresh[XF_CHANNELS(SRC_T, NPC)],
unsigned char upper_thresh[XF_CHANNELS(SRC_T, NPC)],
xf::cv::Mat<DST_T, ROWS, COLS, NPC>& dst) {
unsigned short width = src.cols >> XF_BITSHIFT(NPC);
unsigned short height = src.rows;
#ifndef __SYNTHESIS__
assert(((SRC_T == XF_8UC1) || (SRC_T == XF_8UC3)) && "Type must be XF_8UC1 or XF_8UC3");
assert(((NPC == XF_NPPC1) || (NPC == XF_NPPC8)) && "NPC must be XF_NPPC1, XF_NPPC8");
assert(((lower_thresh[0] >= 0) && (lower_thresh[0] <= 255)) && "lower_thresh must be with the range of 0 to 255");
assert(((upper_thresh[0] >= 0) && (upper_thresh[0] <= 255)) && "lower_thresh must be with the range of 0 to 255");
assert(((height <= ROWS) && (width <= COLS)) && "ROWS and COLS should be greater than input image");
#endif
// clang-format off
#pragma HLS INLINE OFF
// clang-format on
xFinRangeKernel<SRC_T, DST_T, ROWS, COLS, XF_DEPTH(SRC_T, NPC), XF_DEPTH(DST_T, NPC), NPC, XF_WORDWIDTH(SRC_T, NPC),
XF_WORDWIDTH(DST_T, NPC), (COLS >> XF_BITSHIFT(NPC))>(src, dst, lower_thresh, upper_thresh, height,
width);
}
} // namespace cv
} // namespace xf
#endif