void BorderEstimator::estimate(
   const sensor_msgs::PointCloud2::ConstPtr& msg,
   const sensor_msgs::CameraInfo::ConstPtr& info)
 {
   if (msg->height == 1) {
     JSK_NODELET_ERROR("[BorderEstimator::estimate] pointcloud must be organized");
     return;
   }
   pcl::RangeImagePlanar range_image;
   pcl::PointCloud<pcl::PointXYZ> cloud;
   pcl::fromROSMsg(*msg, cloud);
   Eigen::Affine3f dummytrans = Eigen::Affine3f::Identity();
   float fx = info->P[0];
   float cx = info->P[2];
   float tx = info->P[3];
   float fy = info->P[5];
   float cy = info->P[6];
   range_image.createFromPointCloudWithFixedSize (cloud,
                                                  msg->width,
                                                  msg->height,
                                                  cx, cy,
                                                  fx, fy,
                                                  dummytrans);
   range_image.setUnseenToMaxRange();
   computeBorder(range_image, msg->header);
 }
 void BorderEstimator::estimate(
   const sensor_msgs::PointCloud2::ConstPtr& msg)
 {
   boost::mutex::scoped_lock lock(mutex_);
   pcl::PointCloud<pcl::PointXYZ>::Ptr cloud (new pcl::PointCloud<pcl::PointXYZ>);
   pcl::fromROSMsg(*msg, *cloud);
   pcl::RangeImage range_image;
   if (model_type_ == "sphere") {
     range_image = pcl::RangeImageSpherical();
   }
   range_image.createFromPointCloud(
     *cloud,
     angular_resolution_,
     max_angle_width_, max_angle_height_,
     Eigen::Affine3f::Identity(),
     pcl::RangeImage::CAMERA_FRAME,
     noise_level_,
     min_range_,
     border_size_);
   range_image.setUnseenToMaxRange();
   computeBorder(range_image, msg->header);
 }
示例#3
0
void KisShrinkSelectionFilter::process(KisPixelSelectionSP pixelSelection, const QRect& rect)
{
    if (m_xRadius <= 0 || m_yRadius <= 0) return;

    /*
        pretty much the same as fatten_region only different
        blame all bugs in this function on [email protected]
    */
    /* If edge_lock is true  we assume that pixels outside the region
        we are passed are identical to the edge pixels.
        If edge_lock is false, we assume that pixels outside the region are 0
    */
    quint8  **buf;  // caches the region's pixels
    quint8  **max;  // caches the smallest values for each column
    qint32    last_max, last_index;

    max = new quint8* [rect.width() + 2 * m_xRadius];
    buf = new quint8* [m_yRadius + 1];
    for (qint32 i = 0; i < m_yRadius + 1; i++) {
        buf[i] = new quint8[rect.width()];
    }

    qint32 buffer_size = (rect.width() + 2 * m_xRadius + 1) * (m_yRadius + 1);
    quint8* buffer = new quint8[buffer_size];

    if (m_edgeLock)
        memset(buffer, 255, buffer_size);
    else
        memset(buffer, 0, buffer_size);

    for (qint32 i = 0; i < rect.width() + 2 * m_xRadius; i++) {
        if (i < m_xRadius)
            if (m_edgeLock)
                max[i] = buffer;
            else
                max[i] = &buffer[(m_yRadius + 1) * (rect.width() + m_xRadius)];
        else if (i < rect.width() + m_xRadius)
            max[i] = &buffer[(m_yRadius + 1) * (i - m_xRadius)];
        else if (m_edgeLock)
            max[i] = &buffer[(m_yRadius + 1) * (rect.width() + m_xRadius - 1)];
        else
            max[i] = &buffer[(m_yRadius + 1) * (rect.width() + m_xRadius)];
    }
    if (!m_edgeLock)
        for (qint32 j = 0 ; j < m_xRadius + 1; j++) max[0][j] = 0;

    // offset the max pointer by m_xRadius so the range of the array is [-m_xRadius] to [region->w + m_xRadius]
    max += m_xRadius;

    quint8* out = new quint8[rect.width()]; // holds the new scan line we are computing

    qint32* circ = new qint32[2 * m_xRadius + 1]; // holds the y coords of the filter's mask

    computeBorder(circ, m_xRadius, m_yRadius);

    // offset the circ pointer by m_xRadius so the range of the array is [-m_xRadius] to [m_xRadius]
    circ += m_xRadius;

    for (qint32 i = 0; i < m_yRadius && i < rect.height(); i++) // load top of image
        pixelSelection->readBytes(buf[i + 1], rect.x(), rect.y() + i, rect.width(), 1);

    if (m_edgeLock)
        memcpy(buf[0], buf[1], rect.width());
    else
        memset(buf[0], 0, rect.width());


    for (qint32 x = 0; x < rect.width(); x++) { // set up max for top of image
        max[x][0] = buf[0][x];
        for (qint32 j = 1; j < m_yRadius + 1; j++)
            max[x][j] = MIN(buf[j][x], max[x][j-1]);
    }

    for (qint32 y = 0; y < rect.height(); y++) {
        rotatePointers(buf, m_yRadius + 1);
        if (y < rect.height() - m_yRadius)
            pixelSelection->readBytes(buf[m_yRadius], rect.x(), rect.y() + y + m_yRadius, rect.width(), 1);
        else if (m_edgeLock)
            memcpy(buf[m_yRadius], buf[m_yRadius - 1], rect.width());
        else
            memset(buf[m_yRadius], 0, rect.width());

        for (qint32 x = 0 ; x < rect.width(); x++) { // update max array
            for (qint32 i = m_yRadius; i > 0; i--) {
                max[x][i] = MIN(MIN(max[x][i - 1], buf[i - 1][x]), buf[i][x]);
            }
            max[x][0] = buf[0][x];
        }
        last_max =  max[0][circ[-1]];
        last_index = 0;

        for (qint32 x = 0 ; x < rect.width(); x++) { // render scan line
            last_index--;
            if (last_index >= 0) {
                if (last_max == 0)
                    out[x] = 0;
                else {
                    last_max = 255;
                    for (qint32 i = m_xRadius; i >= 0; i--)
                        if (last_max > max[x + i][circ[i]]) {
                            last_max = max[x + i][circ[i]];
                            last_index = i;
                        }
                    out[x] = last_max;
                }
            } else {
                last_index = m_xRadius;
                last_max = max[x + m_xRadius][circ[m_xRadius]];
                for (qint32 i = m_xRadius - 1; i >= -m_xRadius; i--)
                    if (last_max > max[x + i][circ[i]]) {
                        last_max = max[x + i][circ[i]];
                        last_index = i;
                    }
                out[x] = last_max;
            }
        }
        pixelSelection->writeBytes(out, rect.x(), rect.y() + y, rect.width(), 1);
    }

    // undo the offsets to the pointers so we can free the malloced memmory
    circ -= m_xRadius;
    max -= m_xRadius;

    delete[] circ;
    delete[] buffer;
    delete[] max;
    for (qint32 i = 0; i < m_yRadius + 1; i++)
        delete buf[i];
    delete[] buf;
    delete[] out;
}
示例#4
0
void KisGrowSelectionFilter::process(KisPixelSelectionSP pixelSelection, const QRect& rect)
{
    if (m_xRadius <= 0 || m_yRadius <= 0) return;

    /**
        * Much code resembles Shrink filter, so please fix bugs
        * in both filters
        */

    quint8  **buf;  // caches the region's pixel data
    quint8  **max;  // caches the largest values for each column

    max = new quint8* [rect.width() + 2 * m_xRadius];
    buf = new quint8* [m_yRadius + 1];
    for (qint32 i = 0; i < m_yRadius + 1; i++) {
        buf[i] = new quint8[rect.width()];
    }
    quint8* buffer = new quint8[(rect.width() + 2 * m_xRadius) *(m_yRadius + 1)];
    for (qint32 i = 0; i < rect.width() + 2 * m_xRadius; i++) {
        if (i < m_xRadius)
            max[i] = buffer;
        else if (i < rect.width() + m_xRadius)
            max[i] = &buffer[(m_yRadius + 1) * (i - m_xRadius)];
        else
            max[i] = &buffer[(m_yRadius + 1) * (rect.width() + m_xRadius - 1)];

        for (qint32 j = 0; j < m_xRadius + 1; j++)
            max[i][j] = 0;
    }
    /* offset the max pointer by m_xRadius so the range of the array
        is [-m_xRadius] to [region->w + m_xRadius] */
    max += m_xRadius;

    quint8* out = new quint8[ rect.width()];  // holds the new scan line we are computing

    qint32* circ = new qint32[ 2 * m_xRadius + 1 ]; // holds the y coords of the filter's mask
    computeBorder(circ, m_xRadius, m_yRadius);

    /* offset the circ pointer by m_xRadius so the range of the array
        is [-m_xRadius] to [m_xRadius] */
    circ += m_xRadius;

    memset(buf[0], 0, rect.width());
    for (qint32 i = 0; i < m_yRadius && i < rect.height(); i++) { // load top of image
        pixelSelection->readBytes(buf[i + 1], rect.x(), rect.y() + i, rect.width(), 1);
    }

    for (qint32 x = 0; x < rect.width() ; x++) { // set up max for top of image
        max[x][0] = 0;         // buf[0][x] is always 0
        max[x][1] = buf[1][x]; // MAX (buf[1][x], max[x][0]) always = buf[1][x]
        for (qint32 j = 2; j < m_yRadius + 1; j++) {
            max[x][j] = MAX(buf[j][x], max[x][j-1]);
        }
    }

    for (qint32 y = 0; y < rect.height(); y++) {
        rotatePointers(buf, m_yRadius + 1);
        if (y < rect.height() - (m_yRadius))
            pixelSelection->readBytes(buf[m_yRadius], rect.x(), rect.y() + y + m_yRadius, rect.width(), 1);
        else
            memset(buf[m_yRadius], 0, rect.width());
        for (qint32 x = 0; x < rect.width(); x++) { /* update max array */
            for (qint32 i = m_yRadius; i > 0; i--) {
                max[x][i] = MAX(MAX(max[x][i - 1], buf[i - 1][x]), buf[i][x]);
            }
            max[x][0] = buf[0][x];
        }
        qint32 last_max = max[0][circ[-1]];
        qint32 last_index = 1;
        for (qint32 x = 0; x < rect.width(); x++) { /* render scan line */
            last_index--;
            if (last_index >= 0) {
                if (last_max == 255)
                    out[x] = 255;
                else {
                    last_max = 0;
                    for (qint32 i = m_xRadius; i >= 0; i--)
                        if (last_max < max[x + i][circ[i]]) {
                            last_max = max[x + i][circ[i]];
                            last_index = i;
                        }
                    out[x] = last_max;
                }
            } else {
                last_index = m_xRadius;
                last_max = max[x + m_xRadius][circ[m_xRadius]];
                for (qint32 i = m_xRadius - 1; i >= -m_xRadius; i--)
                    if (last_max < max[x + i][circ[i]]) {
                        last_max = max[x + i][circ[i]];
                        last_index = i;
                    }
                out[x] = last_max;
            }
        }
        pixelSelection->writeBytes(out, rect.x(), rect.y() + y, rect.width(), 1);
    }
    /* undo the offsets to the pointers so we can free the malloced memmory */
    circ -= m_xRadius;
    max -= m_xRadius;

    delete[] circ;
    delete[] buffer;
    delete[] max;
    for (qint32 i = 0; i < m_yRadius + 1; i++)
        delete[] buf[i];
    delete[] buf;
    delete[] out;
}