Я работал над кодом для функции размытия CS50 pset4. Предполагается, что эта функция рассчитывает средние значения RGB для всех соседних пикселей, а затем применяет его к «среднему» пикселю (так как пиксель может быть расположен по углам, краям или в любом месте в середине)
Я не получаю ошибок при компиляции или запуске кода. все выходные изображения выглядят размытыми, но когда я запускаю код для check50, он не проходит два теста:
:( blur correctly filters 3x3 image
expected "70 85 95\n80 9...", not "70 85 95\n80 9..."
:( blur correctly filters 4x4 image
expected "70 85 95\n80 9...", not "70 85 95\n80 9..."
Остальные тесты проходят (тестирование пикселя по краю, в углу и в середине), поэтому я мне трудно понять, что я делаю неправильно.
Вот мой код:
// Blur image
void blur(int height, int width, RGBTRIPLE image[height][width])
{
// creating a blank copy
RGBTRIPLE blured[height][width];
// upper left corner (anchored)
for (int i = 0; i < 1; i++)
{
for (int j = 0; j < 1; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i; k <= i + 1; k++)
{
for (int l = j; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 4);
blured[i][j].rgbtGreen = round(trackerGreen / 4);
blured[i][j].rgbtBlue = round(trackerBlue / 4);
}
}
// top middle row
for (int i = 0; i < 1; i++)
{
for (int j = 1; j < width - 1; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i; k <= i + 1; k++)
{
for (int l = j - 1; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 6);
blured[i][j].rgbtGreen = round(trackerGreen / 6);
blured[i][j].rgbtBlue = round(trackerBlue / 6);
}
}
// upper right corner (anchored)
for (int i = 0; i < 1; i++)
{
for (int j = width - 1; j < width; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i; k <= i + 1; k++)
{
for (int l = j - 1; l <= j; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 4);
blured[i][j].rgbtGreen = round(trackerGreen / 4);
blured[i][j].rgbtBlue = round(trackerBlue / 4);
}
}
// left middle column
for (int i = 1; i < height - 1; i++)
{
for (int j = 0; j < 1; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i + 1; k++)
{
for (int l = j; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 6);
blured[i][j].rgbtGreen = round(trackerGreen / 6);
blured[i][j].rgbtBlue = round(trackerBlue / 6);
}
}
// center
for (int i = 1; i < height - 1; i++)
{
for (int j = 1; j < width - 1; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i + 1; k++)
{
for (int l = j - 1; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 9);
blured[i][j].rgbtGreen = round(trackerGreen / 9);
blured[i][j].rgbtBlue = round(trackerBlue / 9);
}
}
// right middle column
for (int i = 1; i < height - 1; i++)
{
for (int j = width - 1; j < width; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i + 1; k++)
{
for (int l = j; l <= j; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 6);
blured[i][j].rgbtGreen = round(trackerGreen / 6);
blured[i][j].rgbtBlue = round(trackerBlue / 6);
}
}
// lower left corner (anchored)
for (int i = height - 1; i < height; i++)
{
for (int j = 0; j < height; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i; k++)
{
for (int l = j; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 4);
blured[i][j].rgbtGreen = round(trackerGreen / 4);
blured[i][j].rgbtBlue = round(trackerBlue / 4);
}
}
// bottom middle row
for (int i = height - 1; i < height; i++)
{
for (int j = 1; j < width - 1; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i; k++)
{
for (int l = j - 1; l <= j + 1; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 6);
blured[i][j].rgbtGreen = round(trackerGreen / 6);
blured[i][j].rgbtBlue = round(trackerBlue / 6);
}
}
// lower right corner (anchored)
for (int i = height - 1; i < height; i++)
{
for (int j = width - 1; j < width; j++)
{
float trackerRed = 0, trackerGreen = 0, trackerBlue = 0;
for (int k = i - 1; k <= i; k++)
{
for (int l = j - 1; l <= j; l++)
{
trackerRed += (float)image[k][l].rgbtRed;
trackerGreen += (float)image[k][l].rgbtGreen;
trackerBlue += (float)image[k][l].rgbtBlue;
}
}
blured[i][j].rgbtRed = round(trackerRed / 4);
blured[i][j].rgbtGreen = round(trackerGreen / 4);
blured[i][j].rgbtBlue = round(trackerBlue / 4);
}
}
// copy blured image data back to the original image
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
image[i][j].rgbtRed = blured[i][j].rgbtRed;
image[i][j].rgbtGreen = blured[i][j].rgbtGreen;
image[i][j].rgbtBlue = blured[i][j].rgbtBlue;
}
}
return;
}
Любая помощь очень ценится