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NLMSvariants
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intense amount of input data made possible. 10 million Pixels tested so far.

This commit is contained in:
gurkenhabicht 2018-05-21 02:47:44 +02:00
parent 0651b58bac
commit 22834a65a5
3 changed files with 89 additions and 42 deletions
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59
src/ansi_c_implementation/NLMSvariants.c
View File

@ -46,7 +46,7 @@ double r2 ( void ); // Random val between 0 and 1
double rndm ( void ); double rndm ( void );
/* *args parser* */ /* *args parser* */
void usage ( void ); // Help text called by args parser void usage ( char **argv ); // Help text called by args parser
/* *math* */ /* *math* */
mldata_t * init_mldata_t(unsigned windowSize, unsigned samplesCount, double learnrate); mldata_t * init_mldata_t(unsigned windowSize, unsigned samplesCount, double learnrate);
@ -65,7 +65,7 @@ int main( int argc, char **argv ) {
char *colorChannel = (char *) malloc(sizeof(char)* 32); char *colorChannel = (char *) malloc(sizeof(char)* 32);
char *inputfile = (char *)malloc(sizeof(char) * 32); char *inputfile = (char *)malloc(sizeof(char) * 32);
unsigned int *seed = NULL; unsigned int *seed = NULL;
unsigned k, xLength; unsigned k, xclude = 0;
unsigned int windowSize = 5; unsigned int windowSize = 5;
unsigned int samplesCount = 512; unsigned int samplesCount = 512;
char *stdcolor = "green"; char *stdcolor = "green";
@ -104,16 +104,21 @@ int main( int argc, char **argv ) {
break; break;
case'h': case'h':
printf("Program name: %s\n", argv[0]); printf("Program name: %s\n", argv[0]);
usage(); usage(argv);
break; break;
case 'l': case 'l':
sscanf(&argv[1][3], "%lf", &learnrate); sscanf(&argv[1][3], "%lf", &learnrate);
++argv; ++argv;
--argc; --argc;
break; break;
case 'x':
xclude = 1;
++argv;
--argc;
break;
default: default:
printf("Wrong Arguments: %s\n", argv[1]); printf("Wrong Arguments: %s\n", argv[1]);
usage(); usage(argv);
} }
++argv; ++argv;
@ -128,13 +133,14 @@ int main( int argc, char **argv ) {
char fileName[50]; // Logfiles and their names char fileName[50]; // Logfiles and their names
mkFileName(fileName, sizeof(fileName), TEST_VALUES); mkFileName(fileName, sizeof(fileName), TEST_VALUES);
FILE* fp5 = fopen(fileName, "w"); FILE* fp5 = fopen(fileName, "w");
xLength = ppmColorChannel(fp5, image, colorChannel, mlData); // Returns length of ppm input values, debugging //xLength =
ppmColorChannel(fp5, image, colorChannel, mlData); // Returns length of ppm input values, debugging
FILE* fp6 = fopen(fileName, "r"); FILE* fp6 = fopen(fileName, "r");
colorSamples(fp6, mlData); colorSamples(fp6, mlData);
if ( (seed != NULL) ){ if ( (seed != NULL) ){
srand( *seed ); // Seed for random number generating srand( *seed ); // Seed for random number generating
printf("srand is reproducable\n", seed); printf("srand is reproducable\n");
} else { } else {
srand( (unsigned int)time(NULL) ); srand( (unsigned int)time(NULL) );
printf("srand depends on time\n"); // Default seed is time(NULL) printf("srand depends on time\n"); // Default seed is time(NULL)
@ -161,7 +167,9 @@ int main( int argc, char **argv ) {
directPredecessor ( mlData, points); directPredecessor ( mlData, points);
differentialPredecessor( mlData, points ); differentialPredecessor( mlData, points );
if ( xclude == 0 ) {
mkSvgGraph(points); // Graph building mkSvgGraph(points); // Graph building
}
free(xSamples); free(xSamples);
free(points); free(points);
free(mlData); free(mlData);
@ -182,7 +190,7 @@ void localMean ( mldata_t *mlData, point_t points[] ) {
memcpy ( localWeights, mlData->weights, mlData->windowSize ); // Copy weights so they can be changed locally memcpy ( localWeights, mlData->weights, mlData->windowSize ); // Copy weights so they can be changed locally
char fileName[50]; char fileName[50];
double xError[2048]; // Includes e(n) double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount + 1); // Includes e(n)
memset(xError, 0.0, mlData->samplesCount); // Initialize xError-array with Zero memset(xError, 0.0, mlData->samplesCount); // Initialize xError-array with Zero
unsigned i, xCount = 0; // Runtime vars unsigned i, xCount = 0; // Runtime vars
mkFileName(fileName, sizeof(fileName), LOCAL_MEAN); // Create Logfile and its filename mkFileName(fileName, sizeof(fileName), LOCAL_MEAN); // Create Logfile and its filename
@ -264,7 +272,7 @@ void directPredecessor( mldata_t *mlData, point_t points[]) {
double *localWeights = ( double * ) malloc ( sizeof(double) * mlData->windowSize + 1 ); double *localWeights = ( double * ) malloc ( sizeof(double) * mlData->windowSize + 1 );
memcpy ( localWeights, mlData->weights, mlData->windowSize ); memcpy ( localWeights, mlData->weights, mlData->windowSize );
char fileName[512]; char fileName[512];
double xError[2048]; double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount );
unsigned xCount = 0, i; unsigned xCount = 0, i;
double xActual = 0.0; double xActual = 0.0;
double xPredicted = 0.0; double xPredicted = 0.0;
@ -349,7 +357,7 @@ void differentialPredecessor ( mldata_t *mlData, point_t points[] ) {
double *localWeights = (double *) malloc ( sizeof(double) * mlData->windowSize + 1 ); double *localWeights = (double *) malloc ( sizeof(double) * mlData->windowSize + 1 );
memcpy( localWeights, mlData->weights, mlData->windowSize ); memcpy( localWeights, mlData->weights, mlData->windowSize );
char fileName[512]; char fileName[512];
double xError[2048]; double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount);
unsigned xCount = 0, i; unsigned xCount = 0, i;
double xPredicted = 0.0; double xPredicted = 0.0;
double xActual = 0.0; double xActual = 0.0;
@ -519,8 +527,8 @@ formats output of mkSvgGraph -- Please open graphResults.html to see the output-
*/ */
void bufferLogger(char *buffer, point_t points[]) { void bufferLogger(char *buffer, point_t points[]) {
unsigned i; unsigned i;
char _buffer[512] = ""; char _buffer[512] = ""; // TODO: resize buffer and _buffer so greater sampleval can be choosen
// char *_buffer = (char *) malloc ( sizeof(char) * 512 + 1);
for (i = 0; i < mlData->samplesCount - 1; i++) { // xActual for (i = 0; i < mlData->samplesCount - 1; i++) { // xActual
sprintf(_buffer, "L %f %f\n", points[i].xVal[0], points[i].yVal[0]); sprintf(_buffer, "L %f %f\n", points[i].xVal[0], points[i].yVal[0]);
strcat(buffer, _buffer); strcat(buffer, _buffer);
@ -641,10 +649,17 @@ void mkSvgGraph(point_t points[]) {
char firstGraph[15] = { "<path d=\"M0 0" }; // Position where points will be written after char firstGraph[15] = { "<path d=\"M0 0" }; // Position where points will be written after
if (input == NULL) { if (input == NULL) {
printf("No inputfile at mkSvgGraph()");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
fseek(input, 0, SEEK_END);
long fpLength = ftell(input);
fseek(input, 0, SEEK_SET);
char buffer[131072] = ""; // Bit dirty char buffer[131072] = ""; // Bit dirty
// char *buffer = (char *) malloc ( sizeof(char) * ( ( 3 * mlData->samplesCount ) + fpLength + 1 ) );
memset(buffer, '\0', sizeof(buffer)); memset(buffer, '\0', sizeof(buffer));
while (!feof(input)) { // parses file until "firstGraph" has been found while (!feof(input)) { // parses file until "firstGraph" has been found
@ -672,6 +687,7 @@ static imagePixel_t *rdPPM(char *fileName) {
char buffer[16]; char buffer[16];
imagePixel_t *image; imagePixel_t *image;
int c, rgbColor; int c, rgbColor;
double *tmp;
FILE *fp = fopen(fileName, "rb"); FILE *fp = fopen(fileName, "rb");
if (!fp) { if (!fp) {
@ -709,10 +725,16 @@ static imagePixel_t *rdPPM(char *fileName) {
while ( fgetc(fp) != '\n' ); while ( fgetc(fp) != '\n' );
image->data = (colorChannel_t *)malloc(image->x * image->y * sizeof(imagePixel_t)); image->data = (colorChannel_t *)malloc(image->x * image->y * sizeof(imagePixel_t));
if (!image) { if (!image) {
fprintf(stderr, "malloc() failed"); fprintf(stderr, "malloc() on image->data failed");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if (fread(image->data, 3 * image->x, image->y, fp) != image->y) { if ( (image->x * image->y) < mlData->samplesCount) {
printf("Changing \"-n\" to %d, image max data size\n", ( image->x * image->y ) );
tmp = (double *) realloc ( xSamples, sizeof(double) * (image->x * image->y) );
xSamples = tmp;
mlData->samplesCount = (image->x * image->y ) / sizeof(double);
}
if ( fread( image->data, 3 * image->x, image->y, fp) != image->y) {
fprintf(stderr, "Loading image failed"); fprintf(stderr, "Loading image failed");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -766,7 +788,7 @@ int ppmColorChannel(FILE* fp, imagePixel_t *image, char *colorChannel, mldata_t
fprintf ( fp, "%d\n", image->data[i].red ); fprintf ( fp, "%d\n", image->data[i].red );
} }
} else if (strcmp(colorChannel, "blue") == 0 ) { } else if ( strcmp(colorChannel, "blue") == 0 ) {
for ( i = 0; i < mlData->samplesCount - 1; i++ ) { for ( i = 0; i < mlData->samplesCount - 1; i++ ) {
fprintf ( fp, "%d\n", image->data[i].blue ); fprintf ( fp, "%d\n", image->data[i].blue );
} }
@ -791,7 +813,7 @@ creating the SVG graph
*/ */
void colorSamples ( FILE* fp, mldata_t *mlData ) { void colorSamples ( FILE* fp, mldata_t *mlData ) {
int i = 0; int i = 0;
char *buffer = (char *) malloc(sizeof(char) * mlData->samplesCount); char *buffer = (char *) malloc(sizeof(char) * mlData->samplesCount + 1);
while (!feof(fp)) { while (!feof(fp)) {
if (fgets(buffer, mlData->samplesCount, fp) != NULL) { if (fgets(buffer, mlData->samplesCount, fp) != NULL) {
@ -833,8 +855,8 @@ double windowXMean(int _arraylength, int xCount) {
====================================================================================================== ======================================================================================================
*/ */
void usage ( void ) { void usage ( char **argv ) {
printf("Usage: lms [POSIX style options] -i file ...\n"); printf("Usage: %s [POSIX style options] -i file ...\n", &argv[0][0]);
printf("POSIX options:\n"); printf("POSIX options:\n");
printf("\t-h\t\t\tDisplay this information.\n"); printf("\t-h\t\t\tDisplay this information.\n");
printf("\t-i <filename>\t\tName of inputfile. Must be PPM image.\n"); printf("\t-i <filename>\t\tName of inputfile. Must be PPM image.\n");
@ -842,7 +864,8 @@ void usage ( void ) {
printf("\t-c <color>\t\tUse this color channel from inputfile.\n"); printf("\t-c <color>\t\tUse this color channel from inputfile.\n");
printf("\t-w <digit>\t\tCount of used weights (windowSize).\n"); printf("\t-w <digit>\t\tCount of used weights (windowSize).\n");
printf("\t-l <digit>\t\tLearnrate, 0 < learnrate < 1.\n"); printf("\t-l <digit>\t\tLearnrate, 0 < learnrate < 1.\n");
printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time."); printf("\t-x <none>\t\tLogfiles only, no graph building. Choose for intense amount of input data.\n");
printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time.\n");
printf("\n\n"); printf("\n\n");
printf("lms compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\tlms -i myimage.ppm -w 3 -c green -s 5\n"); printf("lms compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\tlms -i myimage.ppm -w 3 -c green -s 5\n");
exit(8); exit(8);

1
src/ansi_c_implementation/README.md
View File

@ -29,6 +29,7 @@ There are a bunch of options you can predefine but do not have to. The only para
| -w | Size of M (window) | 5 | | -w | Size of M (window) | 5 |
| -c | Choose RGB color channel, green has least noise. | green | | -c | Choose RGB color channel, green has least noise. | green |
| -l | Learnrate of machine learning | 0.4 | | -l | Learnrate of machine learning | 0.4 |
| -x | Exclude graph building Logfiles only, choose for insane amount of input data. 10Mio. Pixels tested so far.| none|
| -s | Seed randomizing weights. Choose for repoducability. | time(NULL)| | -s | Seed randomizing weights. Choose for repoducability. | time(NULL)|
This code is ANSI compatible no POSIX, C99, C11 or GNU libs, because it had to be VS compatible . There are way easier methods like getline() or getopt(), I know ... This code is ANSI compatible no POSIX, C99, C11 or GNU libs, because it had to be VS compatible . There are way easier methods like getline() or getopt(), I know ...

59
src/cpp_implementation/NLMSvariants.cpp
View File

@ -46,7 +46,7 @@ double r2 ( void ); // Random val between 0 and 1
double rndm ( void ); double rndm ( void );
/* *args parser* */ /* *args parser* */
void usage ( void ); // Help text called by args parser void usage ( char **argv ); // Help text called by args parser
/* *math* */ /* *math* */
mldata_t * init_mldata_t(unsigned windowSize, unsigned samplesCount, double learnrate); mldata_t * init_mldata_t(unsigned windowSize, unsigned samplesCount, double learnrate);
@ -65,7 +65,7 @@ int main( int argc, char **argv ) {
char *colorChannel = (char *) malloc(sizeof(char)* 32); char *colorChannel = (char *) malloc(sizeof(char)* 32);
char *inputfile = (char *)malloc(sizeof(char) * 32); char *inputfile = (char *)malloc(sizeof(char) * 32);
unsigned int *seed = NULL; unsigned int *seed = NULL;
unsigned k, xLength; unsigned k, xclude = 0;
unsigned int windowSize = 5; unsigned int windowSize = 5;
unsigned int samplesCount = 512; unsigned int samplesCount = 512;
char *stdcolor = "green"; char *stdcolor = "green";
@ -104,16 +104,21 @@ int main( int argc, char **argv ) {
break; break;
case'h': case'h':
printf("Program name: %s\n", argv[0]); printf("Program name: %s\n", argv[0]);
usage(); usage(argv);
break; break;
case 'l': case 'l':
sscanf(&argv[1][3], "%lf", &learnrate); sscanf(&argv[1][3], "%lf", &learnrate);
++argv; ++argv;
--argc; --argc;
break; break;
case 'x':
xclude = 1;
++argv;
--argc;
break;
default: default:
printf("Wrong Arguments: %s\n", argv[1]); printf("Wrong Arguments: %s\n", argv[1]);
usage(); usage(argv);
} }
++argv; ++argv;
@ -128,13 +133,14 @@ int main( int argc, char **argv ) {
char fileName[50]; // Logfiles and their names char fileName[50]; // Logfiles and their names
mkFileName(fileName, sizeof(fileName), TEST_VALUES); mkFileName(fileName, sizeof(fileName), TEST_VALUES);
FILE* fp5 = fopen(fileName, "w"); FILE* fp5 = fopen(fileName, "w");
xLength = ppmColorChannel(fp5, image, colorChannel, mlData); // Returns length of ppm input values, debugging //xLength =
ppmColorChannel(fp5, image, colorChannel, mlData); // Returns length of ppm input values, debugging
FILE* fp6 = fopen(fileName, "r"); FILE* fp6 = fopen(fileName, "r");
colorSamples(fp6, mlData); colorSamples(fp6, mlData);
if ( (seed != NULL) ){ if ( (seed != NULL) ){
srand( *seed ); // Seed for random number generating srand( *seed ); // Seed for random number generating
printf("srand is reproducable\n", seed); printf("srand is reproducable\n");
} else { } else {
srand( (unsigned int)time(NULL) ); srand( (unsigned int)time(NULL) );
printf("srand depends on time\n"); // Default seed is time(NULL) printf("srand depends on time\n"); // Default seed is time(NULL)
@ -161,7 +167,9 @@ int main( int argc, char **argv ) {
directPredecessor ( mlData, points); directPredecessor ( mlData, points);
differentialPredecessor( mlData, points ); differentialPredecessor( mlData, points );
if ( xclude == 0 ) {
mkSvgGraph(points); // Graph building mkSvgGraph(points); // Graph building
}
free(xSamples); free(xSamples);
free(points); free(points);
free(mlData); free(mlData);
@ -182,7 +190,7 @@ void localMean ( mldata_t *mlData, point_t points[] ) {
memcpy ( localWeights, mlData->weights, mlData->windowSize ); // Copy weights so they can be changed locally memcpy ( localWeights, mlData->weights, mlData->windowSize ); // Copy weights so they can be changed locally
char fileName[50]; char fileName[50];
double xError[2048]; // Includes e(n) double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount + 1); // Includes e(n)
memset(xError, 0.0, mlData->samplesCount); // Initialize xError-array with Zero memset(xError, 0.0, mlData->samplesCount); // Initialize xError-array with Zero
unsigned i, xCount = 0; // Runtime vars unsigned i, xCount = 0; // Runtime vars
mkFileName(fileName, sizeof(fileName), LOCAL_MEAN); // Create Logfile and its filename mkFileName(fileName, sizeof(fileName), LOCAL_MEAN); // Create Logfile and its filename
@ -264,7 +272,7 @@ void directPredecessor( mldata_t *mlData, point_t points[]) {
double *localWeights = ( double * ) malloc ( sizeof(double) * mlData->windowSize + 1 ); double *localWeights = ( double * ) malloc ( sizeof(double) * mlData->windowSize + 1 );
memcpy ( localWeights, mlData->weights, mlData->windowSize ); memcpy ( localWeights, mlData->weights, mlData->windowSize );
char fileName[512]; char fileName[512];
double xError[2048]; double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount );
unsigned xCount = 0, i; unsigned xCount = 0, i;
double xActual = 0.0; double xActual = 0.0;
double xPredicted = 0.0; double xPredicted = 0.0;
@ -349,7 +357,7 @@ void differentialPredecessor ( mldata_t *mlData, point_t points[] ) {
double *localWeights = (double *) malloc ( sizeof(double) * mlData->windowSize + 1 ); double *localWeights = (double *) malloc ( sizeof(double) * mlData->windowSize + 1 );
memcpy( localWeights, mlData->weights, mlData->windowSize ); memcpy( localWeights, mlData->weights, mlData->windowSize );
char fileName[512]; char fileName[512];
double xError[2048]; double *xError = (double *) malloc ( sizeof(double) * mlData->samplesCount);
unsigned xCount = 0, i; unsigned xCount = 0, i;
double xPredicted = 0.0; double xPredicted = 0.0;
double xActual = 0.0; double xActual = 0.0;
@ -519,8 +527,8 @@ formats output of mkSvgGraph -- Please open graphResults.html to see the output-
*/ */
void bufferLogger(char *buffer, point_t points[]) { void bufferLogger(char *buffer, point_t points[]) {
unsigned i; unsigned i;
char _buffer[512] = ""; char _buffer[512] = ""; // TODO: resize buffer and _buffer so greater sampleval can be choosen
// char *_buffer = (char *) malloc ( sizeof(char) * 512 + 1);
for (i = 0; i < mlData->samplesCount - 1; i++) { // xActual for (i = 0; i < mlData->samplesCount - 1; i++) { // xActual
sprintf(_buffer, "L %f %f\n", points[i].xVal[0], points[i].yVal[0]); sprintf(_buffer, "L %f %f\n", points[i].xVal[0], points[i].yVal[0]);
strcat(buffer, _buffer); strcat(buffer, _buffer);
@ -641,10 +649,17 @@ void mkSvgGraph(point_t points[]) {
char firstGraph[15] = { "<path d=\"M0 0" }; // Position where points will be written after char firstGraph[15] = { "<path d=\"M0 0" }; // Position where points will be written after
if (input == NULL) { if (input == NULL) {
printf("No inputfile at mkSvgGraph()");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
fseek(input, 0, SEEK_END);
long fpLength = ftell(input);
fseek(input, 0, SEEK_SET);
char buffer[131072] = ""; // Bit dirty char buffer[131072] = ""; // Bit dirty
// char *buffer = (char *) malloc ( sizeof(char) * ( ( 3 * mlData->samplesCount ) + fpLength + 1 ) );
memset(buffer, '\0', sizeof(buffer)); memset(buffer, '\0', sizeof(buffer));
while (!feof(input)) { // parses file until "firstGraph" has been found while (!feof(input)) { // parses file until "firstGraph" has been found
@ -672,6 +687,7 @@ static imagePixel_t *rdPPM(char *fileName) {
char buffer[16]; char buffer[16];
imagePixel_t *image; imagePixel_t *image;
int c, rgbColor; int c, rgbColor;
double *tmp;
FILE *fp = fopen(fileName, "rb"); FILE *fp = fopen(fileName, "rb");
if (!fp) { if (!fp) {
@ -709,10 +725,16 @@ static imagePixel_t *rdPPM(char *fileName) {
while ( fgetc(fp) != '\n' ); while ( fgetc(fp) != '\n' );
image->data = (colorChannel_t *)malloc(image->x * image->y * sizeof(imagePixel_t)); image->data = (colorChannel_t *)malloc(image->x * image->y * sizeof(imagePixel_t));
if (!image) { if (!image) {
fprintf(stderr, "malloc() failed"); fprintf(stderr, "malloc() on image->data failed");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if (fread(image->data, 3 * image->x, image->y, fp) != image->y) { if ( (image->x * image->y) < mlData->samplesCount) {
printf("Changing \"-n\" to %d, image max data size\n", ( image->x * image->y ) );
tmp = (double *) realloc ( xSamples, sizeof(double) * (image->x * image->y) );
xSamples = tmp;
mlData->samplesCount = (image->x * image->y ) / sizeof(double);
}
if ( fread( image->data, 3 * image->x, image->y, fp) != image->y) {
fprintf(stderr, "Loading image failed"); fprintf(stderr, "Loading image failed");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -766,7 +788,7 @@ int ppmColorChannel(FILE* fp, imagePixel_t *image, char *colorChannel, mldata_t
fprintf ( fp, "%d\n", image->data[i].red ); fprintf ( fp, "%d\n", image->data[i].red );
} }
} else if (strcmp(colorChannel, "blue") == 0 ) { } else if ( strcmp(colorChannel, "blue") == 0 ) {
for ( i = 0; i < mlData->samplesCount - 1; i++ ) { for ( i = 0; i < mlData->samplesCount - 1; i++ ) {
fprintf ( fp, "%d\n", image->data[i].blue ); fprintf ( fp, "%d\n", image->data[i].blue );
} }
@ -791,7 +813,7 @@ creating the SVG graph
*/ */
void colorSamples ( FILE* fp, mldata_t *mlData ) { void colorSamples ( FILE* fp, mldata_t *mlData ) {
int i = 0; int i = 0;
char *buffer = (char *) malloc(sizeof(char) * mlData->samplesCount); char *buffer = (char *) malloc(sizeof(char) * mlData->samplesCount + 1);
while (!feof(fp)) { while (!feof(fp)) {
if (fgets(buffer, mlData->samplesCount, fp) != NULL) { if (fgets(buffer, mlData->samplesCount, fp) != NULL) {
@ -833,8 +855,8 @@ double windowXMean(int _arraylength, int xCount) {
====================================================================================================== ======================================================================================================
*/ */
void usage ( void ) { void usage ( char **argv ) {
printf("Usage: lms [POSIX style options] -i file ...\n"); printf("Usage: %s [POSIX style options] -i file ...\n", &argv[0][0]);
printf("POSIX options:\n"); printf("POSIX options:\n");
printf("\t-h\t\t\tDisplay this information.\n"); printf("\t-h\t\t\tDisplay this information.\n");
printf("\t-i <filename>\t\tName of inputfile. Must be PPM image.\n"); printf("\t-i <filename>\t\tName of inputfile. Must be PPM image.\n");
@ -842,7 +864,8 @@ void usage ( void ) {
printf("\t-c <color>\t\tUse this color channel from inputfile.\n"); printf("\t-c <color>\t\tUse this color channel from inputfile.\n");
printf("\t-w <digit>\t\tCount of used weights (windowSize).\n"); printf("\t-w <digit>\t\tCount of used weights (windowSize).\n");
printf("\t-l <digit>\t\tLearnrate, 0 < learnrate < 1.\n"); printf("\t-l <digit>\t\tLearnrate, 0 < learnrate < 1.\n");
printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time."); printf("\t-x <none>\t\tLogfiles only, no graph building. Choose for intense amount of input data.\n");
printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time.\n");
printf("\n\n"); printf("\n\n");
printf("lms compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\tlms -i myimage.ppm -w 3 -c green -s 5\n"); printf("lms compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\tlms -i myimage.ppm -w 3 -c green -s 5\n");
exit(8); exit(8);