generated from freudenreichan/info2Praktikum-NeuronalesNetz
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6
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2ee6db1268 | ||
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ec8c735eb2 | ||
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f6a813a635 | ||
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82d72c5e90 | ||
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0a549b7e0d | ||
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c99db0f96c |
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+24
-4
@@ -37,20 +37,28 @@ GrayScaleImageSeries *readImages(const char *path)
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{
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FILE* file = fopen(path, "rb");
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// TODO open binary file from file name
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GrayScaleImageSeries *series = NULL;
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GrayScaleImageSeries *series = malloc(sizeof(GrayScaleImageSeries));
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GrayScaleImage *image = malloc(sizeof(GrayScaleImage));
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series->images = image;
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if(!(checkString(file)))
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return NULL;
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unsigned int* imageCount = &(series->count); // sets a pointer for int variable count in struct
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setParameters(file, imageCount, &(series->images->width), &(series->images->height));
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printf("%d", *imageCount);
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unsigned int* width = &(series->images->width);
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//printf("%d", *width);
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setParameters(file, imageCount, width, &(series->images->height));
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printf("BP3\n");
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allocateMemory(series, *imageCount, series->images->width, series->images->height);
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printf("BP4\n");
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//allocateMemoryLabels();
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for(int i = (series->images->width * series->images->height) - 1; i <= 0; i--)
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for(int i = (series->images->width * series->images->height) - 1; i >= 0; i--)
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{
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fread(&(series->images->buffer[i]), sizeof(GrayScalePixelType), 1, file);
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}
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fclose(file);
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printf("BP5\n");
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return series;
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}
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@@ -64,16 +72,28 @@ void clearSeries(GrayScaleImageSeries *series)
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}
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series->images = NULL;
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series->labels = NULL;
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free(series);
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series = NULL;
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}
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void setParameters(FILE* file, unsigned int* imageCount, unsigned int* width, unsigned int* height) { // sets the parameters
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printf("BP1");
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char buffer[3];
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fseek(file, 27, SEEK_SET);
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fread(buffer, 1, 3, file);
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*imageCount = (int) buffer[0];
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*width = (int) buffer[1];
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*height = (int) buffer[2];
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printf("BP2\n");
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printf("%d\n", *imageCount);
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printf("%d\n", *width);
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printf("%d\n", *height);
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// TODO allocate memory for labels array (in imageInput.h) -> Done in allocate Memory
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// TODO read from file and write in 2d arry, write label in labels array, repeat for imageCount -> done in readImages
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@@ -108,11 +108,17 @@ Matrix add(const Matrix matrix1, const Matrix matrix2)
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Matrix multiply(const Matrix matrix1, const Matrix matrix2)
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{
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Matrix result;
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result.rows = 0;
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result.cols = 0;
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result.buffer = NULL;
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if (matrix1.cols != matrix2.rows) {
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return result;
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}
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result.rows = matrix1.rows;
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result.cols = matrix2.cols;
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if (matrix1.rows == matrix2.cols) {
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result.buffer = malloc(result.rows * result.cols * sizeof(MatrixType));
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for(int i = 0; i < result.rows; i++) {
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@@ -121,11 +127,8 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
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for(int k = 0; k < matrix1.cols; k++) {
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value += matrix1.buffer[i * matrix1.cols + k] * matrix2.buffer[k * matrix2.cols + j];
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}
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result.buffer[i * matrix1.cols + j] = value;
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result.buffer[i * result.cols + j] = value;
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}
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}
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return result;
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}
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printf("Die angegebenen Matrizen haben keine passenden Dimensionen für die Multiplikation");
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return result;
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}
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