本文整理匯總了Java中com.google.zxing.LuminanceSource.getMatrix方法的典型用法代碼示例。如果您正苦於以下問題:Java LuminanceSource.getMatrix方法的具體用法?Java LuminanceSource.getMatrix怎麽用?Java LuminanceSource.getMatrix使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.google.zxing.LuminanceSource
的用法示例。
在下文中一共展示了LuminanceSource.getMatrix方法的8個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: binarizeEntireImage
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
private void binarizeEntireImage() throws NotFoundException {
if (matrix == null) {
LuminanceSource source = getLuminanceSource();
if (source.getWidth() >= MINIMUM_DIMENSION && source.getHeight() >= MINIMUM_DIMENSION) {
byte[] luminances = source.getMatrix();
int width = source.getWidth();
int height = source.getHeight();
int subWidth = width >> 3;
if ((width & 0x07) != 0) {
subWidth++;
}
int subHeight = height >> 3;
if ((height & 0x07) != 0) {
subHeight++;
}
int[][] blackPoints = calculateBlackPoints(luminances, subWidth, subHeight, width, height);
matrix = new BitMatrix(width, height);
calculateThresholdForBlock(luminances, subWidth, subHeight, width, height, blackPoints, matrix);
} else {
// If the image is too small, fall back to the global histogram approach.
matrix = super.getBlackMatrix();
}
}
}
示例2: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
/**
* Calculates the final BitMatrix once for all requests. This could be called once from the
* constructor instead, but there are some advantages to doing it lazily, such as making
* profiling easier, and not doing heavy lifting when callers don't expect it.
*/
@Override
public BitMatrix getBlackMatrix() throws NotFoundException {
if (matrix != null) {
return matrix;
}
LuminanceSource source = getLuminanceSource();
int width = source.getWidth();
int height = source.getHeight();
if (width >= MINIMUM_DIMENSION && height >= MINIMUM_DIMENSION) {
byte[] luminances = source.getMatrix();
int subWidth = width >> BLOCK_SIZE_POWER;
if ((width & BLOCK_SIZE_MASK) != 0) {
subWidth++;
}
int subHeight = height >> BLOCK_SIZE_POWER;
if ((height & BLOCK_SIZE_MASK) != 0) {
subHeight++;
}
int[][] blackPoints = calculateBlackPoints(luminances, subWidth, subHeight, width, height);
BitMatrix newMatrix = new BitMatrix(width, height);
calculateThresholdForBlock(luminances, subWidth, subHeight, width, height, blackPoints, newMatrix);
matrix = newMatrix;
} else {
// If the image is too small, fall back to the global histogram approach.
matrix = super.getBlackMatrix();
}
return matrix;
}
示例3: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
public BitMatrix getBlackMatrix() throws NotFoundException {
int y;
byte[] localLuminances;
LuminanceSource source = getLuminanceSource();
int width = source.getWidth();
int height = source.getHeight();
BitMatrix matrix = new BitMatrix(width, height);
initArrays(width);
int[] localBuckets = this.buckets;
for (y = 1; y < 5; y++) {
int x;
localLuminances = source.getRow((height * y) / 5, this.luminances);
int right = (width * 4) / 5;
for (x = width / 5; x < right; x++) {
int i = (localLuminances[x] & 255) >> 3;
localBuckets[i] = localBuckets[i] + 1;
}
}
int blackPoint = estimateBlackPoint(localBuckets);
localLuminances = source.getMatrix();
for (y = 0; y < height; y++) {
int offset = y * width;
for (x = 0; x < width; x++) {
if ((localLuminances[offset + x] & 255) < blackPoint) {
matrix.set(x, y);
}
}
}
return matrix;
}
示例4: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
public BitMatrix getBlackMatrix() throws NotFoundException {
if (this.matrix != null) {
return this.matrix;
}
LuminanceSource source = getLuminanceSource();
int width = source.getWidth();
int height = source.getHeight();
if (width < 40 || height < 40) {
this.matrix = super.getBlackMatrix();
} else {
byte[] luminances = source.getMatrix();
int subWidth = width >> 3;
if ((width & 7) != 0) {
subWidth++;
}
int subHeight = height >> 3;
if ((height & 7) != 0) {
subHeight++;
}
int[][] blackPoints = calculateBlackPoints(luminances, subWidth, subHeight, width,
height);
BitMatrix newMatrix = new BitMatrix(width, height);
calculateThresholdForBlock(luminances, subWidth, subHeight, width, height,
blackPoints, newMatrix);
this.matrix = newMatrix;
}
return this.matrix;
}
示例5: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
/**
* Calculates the final BitMatrix once for all requests. This could be called once from the
* constructor instead, but there are some advantages to doing it lazily, such as making
* profiling easier, and not doing heavy lifting when callers don't expect it.
*/
@Override
public BitMatrix getBlackMatrix() throws NotFoundException {
if (matrix != null) {
return matrix;
}
LuminanceSource source = getLuminanceSource();
int width = source.getWidth();
int height = source.getHeight();
if (width >= MINIMUM_DIMENSION && height >= MINIMUM_DIMENSION) {
byte[] luminances = source.getMatrix();
int subWidth = width >> BLOCK_SIZE_POWER;
if ((width & BLOCK_SIZE_MASK) != 0) {
subWidth++;
}
int subHeight = height >> BLOCK_SIZE_POWER;
if ((height & BLOCK_SIZE_MASK) != 0) {
subHeight++;
}
int[][] blackPoints = calculateBlackPoints(luminances, subWidth, subHeight, width, height);
BitMatrix newMatrix = new BitMatrix(width, height);
calculateThresholdForBlock(luminances, subWidth, subHeight, width, height, blackPoints, newMatrix);
matrix = newMatrix;
} else {
// If the image is too small, fall back to the global histogram approach.
matrix = super.getBlackMatrix();
}
return matrix;
}
示例6: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
public BitMatrix getBlackMatrix()
{
LuminanceSource luminancesource = getLuminanceSource();
int i = luminancesource.getWidth();
int j = luminancesource.getHeight();
BitMatrix bitmatrix = new BitMatrix(i, j);
a(i);
int ai[] = e;
for (int k = 1; k < 5; k++)
{
byte abyte1[] = luminancesource.getRow((j * k) / 5, d);
int l1 = (i << 2) / 5;
for (int i2 = i / 5; i2 < l1; i2++)
{
int j2 = (0xff & abyte1[i2]) >> 3;
ai[j2] = 1 + ai[j2];
}
}
int l = a(ai);
byte abyte0[] = luminancesource.getMatrix();
for (int i1 = 0; i1 < j; i1++)
{
int j1 = i1 * i;
for (int k1 = 0; k1 < i; k1++)
{
if ((0xff & abyte0[j1 + k1]) < l)
{
bitmatrix.set(k1, i1);
}
}
}
return bitmatrix;
}
示例7: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
public BitMatrix getBlackMatrix()
{
if (e != null)
{
return e;
}
LuminanceSource luminancesource = getLuminanceSource();
if (luminancesource.getWidth() >= 40 && luminancesource.getHeight() >= 40)
{
byte abyte0[] = luminancesource.getMatrix();
int i = luminancesource.getWidth();
int j = luminancesource.getHeight();
int k = i >> 3;
if ((i & 7) != 0)
{
k++;
}
int l = j >> 3;
if ((j & 7) != 0)
{
l++;
}
int ai[][] = a(abyte0, k, l, i, j);
BitMatrix bitmatrix = new BitMatrix(i, j);
a(abyte0, k, l, i, j, ai, bitmatrix);
e = bitmatrix;
} else
{
e = super.getBlackMatrix();
}
return e;
}
示例8: getBlackMatrix
import com.google.zxing.LuminanceSource; //導入方法依賴的package包/類
/**
* Calculates the final BitMatrix once for all requests. This could be
* called once from the constructor instead, but there are some advantages
* to doing it lazily, such as making profiling easier, and not doing heavy
* lifting when callers don't expect it.
*/
@Override
public BitMatrix getBlackMatrix() throws NotFoundException {
if (matrix != null) {
return matrix;
}
LuminanceSource source = getLuminanceSource();
int width = source.getWidth();
int height = source.getHeight();
if (width >= MINIMUM_DIMENSION && height >= MINIMUM_DIMENSION) {
byte[] luminances = source.getMatrix();
int subWidth = width >> BLOCK_SIZE_POWER;
if ((width & BLOCK_SIZE_MASK) != 0) {
subWidth++;
}
int subHeight = height >> BLOCK_SIZE_POWER;
if ((height & BLOCK_SIZE_MASK) != 0) {
subHeight++;
}
int[][] blackPoints = calculateBlackPoints(luminances, subWidth, subHeight, width, height);
BitMatrix newMatrix = new BitMatrix(width, height);
calculateThresholdForBlock(luminances, subWidth, subHeight, width, height, blackPoints, newMatrix);
matrix = newMatrix;
} else {
// If the image is too small, fall back to the global histogram
// approach.
matrix = super.getBlackMatrix();
}
return matrix;
}