示例#1
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    def solve(self, pts3d, p2, estimate):
        Rvec = estimate.get('rvec', self.X0[:3])
        Rmat, _ = cv2.Rodrigues(Rvec)
        cam_pos = self.X0[3:]
        #cam_pos = (-Rmat.T @ Tvec).flatten()
        bounds = ([-np.inf] * 6, [np.inf] * 6)

        if 'alt' in estimate:
            cam_pos[2] = estimate['alt']
            zeps = 0.1
            bounds[0][5] = cam_pos[2] - zeps
            bounds[1][5] = cam_pos[2] + zeps

        eu_angls = utils.rotationMatrixToEulerAngles(Rmat)

        if 'rvec' in estimate:
            reps = np.radians(self.rotation_bounds)
            #yaw pitch roll !!! todo: solve the 180 problem maybe transfer point first!!!
            bounds[0][:3] = eu_angls - reps
            bounds[1][:3] = eu_angls + reps

        estimation_vec = np.clip(self.X0, bounds[0], bounds[1])

        resPnP, res = myPnP_Euler(pts3d, p2, self.K, self.distortion,
                                  estimation_vec, bounds)
        self.X0 = res
        Rvec, _ = cv2.Rodrigues(utils.eulerAnglesToRotationMatrix(res[:3]))

        #converting camera position to Tvec
        Rmat, _ = cv2.Rodrigues(Rvec)
        Tvec = -Rmat @ res[3:]
        return resPnP, Rvec, Tvec
示例#2
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def dump_bodies(asf_skeleton, skeleton_xml):
    """
    Given an XML element (an ETElement), dump the skeleton's joint objects
    as the element's children

    This method expects all joint angles in the skeleton to be zero. Else, all
    the axes and angles will be messed up

    It also handles all the calculations concerning axes and joints
    """

    # Ensure all positions are at their "default" values; if the skeleton's pose
    # is different from that in the ASF file, everything will be off :|
    asf_skeleton.update_joint_positions()

    for joint in [asf_skeleton.root] + asf_skeleton.joints:

        body_xml = ET.SubElement(skeleton_xml, "body")
        body_xml.set("name", bodyname(joint))

        ################################
        # POSITION AND COORDINATE AXES #
        ################################

        rmatrix = joint.ctrans
        tform_text = vec2string(np.append(joint.base_pos,
                                          euler_from_matrix(rmatrix[:3, :3],
                                                            axes="rxyz")))
        ET.SubElement(body_xml, "transformation").text = tform_text

        ########################################
        # VISUALIZATION AND COLLISION GEOMETRY #
        ########################################

        # Direction vectors and axes are specified wrt to global reference
        # frame in asf files (and thus in joints), so we construct a
        # transformation to the local reference frame (as dart expects it)
        local_direction = np.matmul(joint.ctrans_inv[:3, :3], joint.direction)
        direction_matrix = utils.rmatrix_x2v(local_direction)
        rangles = utils.rotationMatrixToEulerAngles(direction_matrix)
        trans_offset = joint.length * local_direction / 2
        tform_vector = np.append(trans_offset, rangles)

        for shape in ["visualization", "collision"]:
            shape_xml = ET.SubElement(body_xml, shape + "_shape")
            ET.SubElement(shape_xml, "transformation").text = \
                                                        vec2string(tform_vector)
            add_box(shape_xml, joint.length)

        ###################
        # INERTIA SECTION #
        ###################

        inertia_xml = ET.SubElement(body_xml, "inertia")
        mass_xml = ET.SubElement(inertia_xml, "mass")
        mass_xml.text = str(1)
        ET.SubElement(inertia_xml, "offset").text = vec2string(trans_offset)
示例#3
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def get_roll(H):
    data = np.load('calib.npz')
    K = data['mtx']

    num, Rs, Ts, Ns = cv2.decomposeHomographyMat(H, K)

    # print(num)
    for i in range(num):
        R = Rs[i]
        if isRotationMatrix(R):
            angles = rotationMatrixToEulerAngles(R)
            # print(angles)
            return abs(angles[2])
    return 0
示例#4
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import cv2
import numpy as np

from utils import isRotationMatrix, rotationMatrixToEulerAngles

data = np.load('calib.npz')
K = data['mtx']
print(K)

data = np.load('h**o.npz')
H = data['h**o']
print(H)

num, Rs, Ts, Ns = cv2.decomposeHomographyMat(H, K)

print(num)
for i in range(num):
    R = Rs[i]
    if isRotationMatrix(R):
        angles = rotationMatrixToEulerAngles(R)
        print(angles)
# print(Ts)
# print(Ns)
示例#5
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def load_kitty_poses(location, pose_file):
    poses = SortedDict()
    filename = '{}/poses/{}.txt'.format(location, pose_file)
    id = 0
    with open(filename, 'r') as fp:
        for line in fp.readlines():
            poses[id] = Pose(line, location, pose_file)
            id += 1

    return poses


location = '/Users/weihao/BlueNoteData/dataset'
pose_file = '00'
poses = load_kitty_poses(location, pose_file)

focal = 719 #719
# cam = PinholeCamera(1241.0, 376.0, focal, focal, 607.1928, 185.2157)
cam = PinholeCamera(1241.0, 376.0, focal, focal, 620.5, 188.0)

print('Total images {}'.format(len(poses)))

with open('w.txt', 'w') as fp:
    pose_pre = None
    for id in poses:
        pose = poses[id]
        if pose_pre is not None:
            t = pose.get_tran(pose_pre)
            d = rotationMatrixToEulerAngles(pose.get_direction(pose_pre, cam))
            fp.write('{} {} {} {} {} {} {}\n'.format(id, d[0], d[1], d[2], t[0],t[1], t[2]))
        pose_pre = pose
示例#6
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def plot3d():
    fig = plt.figure(figsize=(8,6))
    ax1 = fig.add_subplot(2, 2, 1, projection='3d')
    ax1.set_title('3D')
    ax2 = fig.add_subplot(2, 2, 2)
    ax2.set_title('XYZ')
    ax3 = fig.add_subplot(2, 2, 4)
    ax3.set_title('2D XY plot')
    ax4 = fig.add_subplot(2, 2, 3)
    ax4.set_title('Angles')
    fig.canvas.draw()   # note that the first draw comes before setting data 
    #fig.canvas.mpl_connect('close_event', handle_close)
    #h1 = ax1.plot([0,1],[0,1],[0,1], lw=3)[0]
    camera=None
    pts3d=None
    #text = ax1.text(0.8,1.5, '')
    ax1.set_ylim([-2,2])
    ax1.set_xlim([-2,2])
    ax1.set_zlim([2,-2])
    ax3.set_ylim([-2,2])
    ax3.set_xlim([-2,2])
    ax3.axis('equal')


    t_start = time.time()
    camera_t_data=[]
    camera_r_data=[]    
    camera_t_data_gt=[]
    camera_r_data_gt=[]
    camera_ttags=[]
    camera_gt_ttags=[]

    cam_pos_h=None

    i=0
    cam_cnt=0
    mem_len=1000
    while True:
        cmd,data=yield
        if cmd=='camera':
            ttag,R,T=data
            camera_t_data.append(T)
            camera_t_data=camera_t_data[-mem_len:]
            camera_r_data.append(utils.rotationMatrixToEulerAngles(R)*180.0/np.pi)
            camera_r_data=camera_r_data[-mem_len:]
            camera_ttags.append(ttag-t_start)
            camera_ttags=camera_ttags[-mem_len:]
            cam_cnt+=1
            if cam_cnt%10==0:
                if camera is not None:
                    for h in camera:
                        h.remove()
                camera=plot_camera(ax1,R,-T)
                camera_t_vec=np.vstack(camera_t_data)
                camera_r_vec=np.vstack(camera_r_data)

                if cam_pos_h is not None:
                    for hdl in cam_pos_h:
                        hdl[0].remove()
                cam_pos_h = [ ax2.plot(camera_ttags,camera_t_vec[:,i],c) for i,c in enumerate('rgb') ]
                cam_pos_h.append(ax3.plot(camera_t_vec[:,0],camera_t_vec[:,1],'-b',alpha=0.5)) 
                
                cam_pos_h += [ ax4.plot(camera_ttags,camera_r_vec[:,i],c) for i,c in enumerate('rgb') ]
               
                if camera_t_data_gt:
                    camera_t_vec_gt=np.vstack(camera_t_data_gt)
                    camera_r_vec_gt=np.vstack(camera_r_data_gt)
                    camera_t_vec_gt-=camera_t_vec_gt[0] #start at (0,0)
                    cam_pos_h.append(ax3.plot(camera_t_vec_gt[:,0],camera_t_vec_gt[:,1],'-r',alpha=0.5)) 
                    cam_pos_h += [ ax2.plot(camera_gt_ttags,camera_t_vec_gt[:,i],c,alpha=0.5) for i,c in enumerate('rgb') ]
                    cam_pos_h += [ ax4.plot(camera_gt_ttags,camera_r_vec_gt[:,i],c,alpha=0.5) for i,c in enumerate('rgb') ]

                fig.canvas.draw()
                

        if cmd=='camera_gt':
            ttag,R,T=data
            camera_t_data_gt.append(T)
            camera_t_data_gt=camera_t_data_gt[-mem_len:]
            camera_r_data_gt.append(utils.rotationMatrixToEulerAngles(R)*180.0/np.pi)
            camera_r_data_gt=camera_r_data_gt[-mem_len:]
            camera_gt_ttags.append(ttag-t_start)
            camera_gt_ttags=camera_gt_ttags[-mem_len:]


        if cmd=='pts3d':
            if pts3d is not None:
                pts3d.remove()
            #import pdb;pdb.set_trace()
            pts3d=ax1.scatter(data[:,0],data[:,1],data[:,2],c='b')

        if cmd=='stop':
            break
        plt.waitforbuttonpress(timeout=0.001)
        i+=1