diff --git a/imageInput.c b/imageInput.c
index bb30de1..c2f625c 100644
--- a/imageInput.c
+++ b/imageInput.c
@@ -8,12 +8,102 @@
 
 // TODO Implementieren Sie geeignete Hilfsfunktionen für das Lesen der Bildserie aus einer Datei
 
+static int checkHeader (FILE *file)
+{
+    char header [strlen (FILE_HEADER_STRING) +1]; //Ermittle die Länge des Strings, +1 wegen Null
+
+    size_t gelesen = fread (header, sizeof(char), strlen(FILE_HEADER_STRING), file);
+    if (gelesen == NULL)
+        return -1;
+    
+    header [strlen (FILE_HEADER_STRING)] = '\0';
+
+    if (strcmp (header, FILE_HEADER_STRING) == 0) //Headerlänge Vergleich 
+    {
+        return 1;
+    } else 
+    {
+        return -1;
+    }   
+
+}
+
+static unsigned int readUnit (FILE *file)
+{
+    unsigned int value = 0;
+    size_t gelesen = fread (&value, sizeof(unsigned int), 1, file); //liest genau 4 Bytes ein
+    if (gelesen == NULL)
+        return -1;
+    
+    return value;
+
+}
+
+static GrayScaleImage readSingleImage (FILE *file)
+{
+    GrayScaleImage img = NULL;
+
+    //Breite und Höhe einlesen
+    size_t gelesenWidth = fread (&img.width, sizeof(unsigned int), 1, file);
+    size_t gelesenHeight = fread (&img.height, sizeof(unsigned int), 1, file);
+        if (gelesenWidth == NULL || gelesenHeight == NULL)
+            return -1;
+    
+    //Speicher für Pixel reservieren
+    size_t pixelCount = img.width * img.height;
+    img.buffer = malloc(pixelCount * sizeof(GrayScalePixelType));
+        if (img.buffer == NULL)
+            return -1;
+
+    //Pixel einlesen
+    size_t gelesenPixels = fread (img.buffer, sizeof(GrayScalePixelType), pixelCount, file);
+    if (gelesenPixels != pixelCount)
+        return -1;
+
+    return img;
+}
+
+static unsigned char readLabel (FILE *file)
+{
+    unsigned char label = NULL;
+    
+    size_t gelesen = fread (&label, sizeof(unsigned char), 1, file);
+        if (gelesen == NULL)
+        return -1;
+
+    return label;
+}
+
 // TODO Vervollständigen Sie die Funktion readImages unter Benutzung Ihrer Hilfsfunktionen
 GrayScaleImageSeries *readImages(const char *path)
 {
     GrayScaleImageSeries *series = NULL;
-    
-    return series;
+    unsigend int count = NULL;
+
+    FILE *file = fopen(path, "rb"); 
+    if (path == NULL) {
+        return -1; 
+    }
+
+    if (checkHeader(file) != 1) {
+        return -1;
+    }
+
+    count = readUnit (file); 
+
+    series = malloc (sizeof(GrayScaleImageSeries));
+    series ->count = count;
+    series ->images = malloc (count * sizeof(GrayScaleImage));
+    series ->labels = malloc (count * sizeof(unsigned char));
+
+    for (unsigned int i = 0; i < count; i++)
+    {
+        series ->images[i] = readSingleImage(file);
+        series ->labels[i] = readLabel(file);
+    }
+
+    fclose (file); 
+    return series; //series ist das array das ein Bild besitzt
 }
 
 // TODO Vervollständigen Sie die Funktion clearSeries, welche eine Bildserie vollständig aus dem Speicher freigibt