本文整理汇总了C++中cv::cvtColor方法的典型用法代码示例。如果您正苦于以下问题：C++ cv::cvtColor方法的具体用法？C++ cv::cvtColor怎么用？C++ cv::cvtColor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cv的用法示例。
在下文中一共展示了cv::cvtColor方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: get_proper_colors
void Descriptor::get_proper_colors( const Mat &image, Mat &converted_image ){
if (image.channels() == 1 && required_color_mode() != BW){
cout << "Must give a colored image" << endl;
throw;
}
switch (required_color_mode()){
case BW:
cvtColor(image, converted_image, CV_BGR2GRAY);
break;
case RGB:
cvtColor(image, converted_image, CV_BGR2RGB);
break;
case HSV:
converted_image.create(image.size().height, image.size().width, CV_32FC3);
cvtColor(image, converted_image, CV_BGR2HSV);
break;
case LUV:
cvtColor(image, converted_image, CV_BGR2Luv);
break;
default:
image.copyTo(converted_image);
break;
}
}示例2: main
//.........这里部分代码省略.........
{
cout << static_cast<int>(id) << " ";
}
cout << endl;
for (const auto &id : ids)
{
vector<uint8_t> raw;
PacketType type;
cout << "examining " << static_cast<int>(id) << endl;
for (const auto &pkt : pkts)
{
if (pkt.getID() == id)
{
size_t new_length = pkt.getOffset() +
static_cast<size_t>(pkt.getLength());
type = pkt.getType();
if (new_length > raw.size())
{
raw.resize(new_length, 0);
}
for (size_t k = 0; k < pkt.getLength(); k++)
{
raw[pkt.getOffset() + k] = pkt.getData()[k];
}
}
}
cout << "type: " << type << endl;
cout << hex;
for (size_t j = 0; j < 512; j++)
{
if (j > 0 && (j % 32) == 0)
{
cout << endl;
}
cout << (static_cast<unsigned int>(raw[j]) & 0xFF) << " ";
}
cout << endl;
Mat img{Size(160, 120), CV_8UC3, raw.data()};
Mat dst;
//cvtColor(img, dst, CV_YUV2GRAY_UYVY);
//cvtColor(img, dst, CV_YUV2GRAY_YUY2);
//cvtColor(img, dst, CV_YUV2BGR_UYVY);
//cvtColor(img, dst, CV_YUV2BGRA_UYVY);
//cvtColor(img, dst, CV_YUV2BGR_YUY2);
//cvtColor(img, dst, CV_YUV2BGR_YVYU);
//cvtColor(img, dst, CV_YUV2BGRA_YUY2);
//cvtColor(img, dst, CV_YUV2BGRA_YVYU);
//cvtColor(img, dst, CV_YUV2GRAY_NV12);
//cvtColor(img, dst, CV_YUV2BGR_NV12);
cvtColor(img, dst, CV_YCrCb2BGR);
imshow("Police Video", dst);
waitKey(0);
ofstream out_jpeg{"out.jpg", ofstream::binary};
for (size_t j = 0; j < raw.size(); j++)
{
if (raw[j] == 0xFF && raw[j + 1] == 0xD8)
{
cout << "hit the start" << endl;
out_jpeg.write(reinterpret_cast<char *>(raw.data() + j), 2);
j++;
}
else if (raw[j] == 0xFF && raw[j + 1] == 0xDB)
{
cout << "hit the start 2" << endl;
out_jpeg.write(reinterpret_cast<char *>(raw.data() + j), 2);
j++;
}
else if (raw[j] == 0xFF && raw[j + 1] == 0xC0)
{
cout << "hit the start 3" << endl;
out_jpeg.write(reinterpret_cast<char *>(raw.data() + j), 2);
j++;
}
else if (raw[j] == 0xFF && raw[j + 1] == 0xD9)
{
cout << "hit the end" << endl;
out_jpeg.write(reinterpret_cast<char *>(raw.data() + j), 2);
return 0;
}
else
{
out_jpeg.write(reinterpret_cast<char *>(raw.data() + j), 1);
}
}
}
return 0;
}