예제 #1
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    def render_vocab(vocab):
        """
        Renders the average patch of each word.
        This is a quick visualization of the entire vocabulary.

        CommandLine:
            python -m wbia.algo.smk.vocab_indexer render_vocab --show

        Example:
            >>> # DISABLE_DOCTEST
            >>> from wbia.algo.smk.vocab_indexer import *  # NOQA
            >>> vocab = testdata_vocab('PZ_MTEST', num_words=64)
            >>> all_words = vocab.render_vocab()
            >>> ut.quit_if_noshow()
            >>> import wbia.plottool as pt
            >>> pt.qt4ensure()
            >>> pt.imshow(all_words)
            >>> ut.show_if_requested()
        """
        import wbia.plottool as pt

        wx_list = list(range(len(vocab)))
        # wx_list = ut.strided_sample(wx_list, 64)
        wx_list = ut.strided_sample(wx_list, 64)

        word_patch_list = []
        for wx in ut.ProgIter(wx_list, bs=True, lbl='building patches'):
            word = vocab.wx_to_word[wx]
            word_patch = vt.inverted_sift_patch(word, 64)
            word_patch = pt.render_sift_on_patch(word_patch, word)
            word_patch_list.append(word_patch)

        all_words = vt.stack_square_images(word_patch_list)
        return all_words
예제 #2
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    def render_inverted_vocab(inva, ibs, use_data=False):
        """
        Renders the average patch of each word.
        This is a visualization of the entire vocabulary.

        CommandLine:
            python -m wbia.algo.smk.inverted_index render_inverted_vocab --show
            python -m wbia.algo.smk.inverted_index render_inverted_vocab --show --use-data
            python -m wbia.algo.smk.inverted_index render_inverted_vocab --show --debug-depc

        Example:
            >>> # DISABLE_DOCTEST
            >>> from wbia.algo.smk.inverted_index import *  # NOQA
            >>> qreq_, inva = testdata_inva()
            >>> ibs = qreq_.ibs
            >>> all_words = inva.render_inverted_vocab(ibs)
            >>> ut.quit_if_noshow()
            >>> import wbia.plottool as pt
            >>> pt.qt4ensure()
            >>> pt.imshow(all_words)
            >>> ut.show_if_requested()
        """
        import wbia.plottool as pt

        # Get words with the most assignments
        vocab = ibs.depc['vocab'].get_row_data([inva.vocab_rowid], 'words')[0]

        wx_list = ut.strided_sample(inva.wx_list, 64)

        word_patch_list = []
        for wx in ut.ProgIter(wx_list, bs=True, lbl='building patches'):
            word = vocab.wx_to_word[wx]
            word_patch = inva.get_word_patch(wx, ibs)
            word_patch = pt.render_sift_on_patch(word_patch, word)
            word_patch_list.append(word_patch)

        all_words = vt.stack_square_images(word_patch_list)
        return all_words
예제 #3
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    def render_inverted_vocab_word(inva, wx, ibs, fnum=None):
        """
        Creates a visualization of a visual word. This includes the average patch,
        the SIFT-like representation of the centroid, and some of the patches that
        were assigned to it.

        CommandLine:
            python -m ibeis.algo.smk.inverted_index render_inverted_vocab_word --show

        Example:
            >>> # DISABLE_DOCTEST
            >>> from ibeis.algo.smk.inverted_index import *  # NOQA
            >>> import plottool_ibeis as pt
            >>> qreq_, inva = testdata_inva()
            >>> ibs = qreq_.ibs
            >>> wx_list = list(inva.wx_to_aids.keys())
            >>> wx = wx_list[0]
            >>> ut.qtensure()
            >>> fnum = 2
            >>> fnum = pt.ensure_fnum(fnum)
            >>> # Interactive visualization of many words
            >>> for wx in ut.InteractiveIter(wx_list):
            >>>     word_img = inva.render_inverted_vocab_word(wx, ibs, fnum)
            >>>     pt.imshow(word_img, fnum=fnum, title='Word %r/%r' % (wx, '?'))
            >>>     pt.update()
        """
        import plottool_ibeis as pt
        # Create the contributing patch image
        word_patches = inva.get_patches(wx, ibs)
        word_patches_ = ut.strided_sample(word_patches, 64)
        stacked_patches = vt.stack_square_images(word_patches_)

        # Create the average word image
        vocab = ibs.depc['vocab'].get_row_data([inva.vocab_rowid], 'words')[0]
        word = vocab.wx_to_word[wx]

        average_patch = np.mean(word_patches, axis=0)
        #vecs = inva.get_vecs(wx)
        #assert np.allclose(word, vecs.mean(axis=0))
        with_sift = True
        if with_sift:
            patch_img = pt.render_sift_on_patch(average_patch, word)
        else:
            patch_img = average_patch

        # Stack them together
        solidbar = np.zeros(
            (patch_img.shape[0], int(patch_img.shape[1] * .1), 3),
            dtype=patch_img.dtype)
        border_color = (100, 10, 10)  # bgr, darkblue
        if ut.is_float(solidbar):
            solidbar[:, :, :] = (np.array(border_color) / 255)[None, None]
        else:
            solidbar[:, :, :] = np.array(border_color)[None, None]
        patch_img2 = vt.inverted_sift_patch(word)
        # Fix types
        patch_img = vt.rectify_to_uint8(patch_img)
        patch_img2 = vt.rectify_to_uint8(patch_img2)
        solidbar = vt.rectify_to_uint8(solidbar)
        stacked_patches = vt.rectify_to_uint8(stacked_patches)
        # Stack everything together
        patch_img2, patch_img = vt.make_channels_comparable(
            patch_img2, patch_img)
        img_list = [patch_img, solidbar, patch_img2, solidbar, stacked_patches]
        word_img = vt.stack_image_list(img_list, vert=False, modifysize=True)
        return word_img
예제 #4
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def test_rot_invar():
    r"""
    CommandLine:
        python -m pyhesaff test_rot_invar --show --rebuild-hesaff --no-rmbuild
        python -m pyhesaff test_rot_invar --show --nocpp

        python -m vtool.tests.dummy testdata_ratio_matches --show --ratio_thresh=1.0 --rotation_invariance --rebuild-hesaff
        python -m vtool.tests.dummy testdata_ratio_matches --show --ratio_thresh=1.1 --rotation_invariance --rebuild-hesaff

    Example:
        >>> # DISABLE_DODCTEST
        >>> from pyhesaff._pyhesaff import *  # NOQA
        >>> test_rot_invar()
    """
    import cv2
    import utool as ut
    import vtool as vt
    import plottool as pt
    TAU = 2 * np.pi
    fnum = pt.next_fnum()
    NUM_PTS = 5  # 9
    theta_list = np.linspace(0, TAU, NUM_PTS, endpoint=False)
    nRows, nCols = pt.get_square_row_cols(len(theta_list), fix=True)
    next_pnum = pt.make_pnum_nextgen(nRows, nCols)
    # Expand the border a bit around star.png
    pad_ = 100
    img_fpath = ut.grab_test_imgpath('star.png')
    img_fpath2 = vt.pad_image_ondisk(img_fpath, pad_, value=26)
    for theta in theta_list:
        print('-----------------')
        print('theta = %r' % (theta, ))
        #theta = ut.get_argval('--theta', type_=float, default=TAU * 3 / 8)
        img_fpath = vt.rotate_image_ondisk(img_fpath2,
                                           theta,
                                           borderMode=cv2.BORDER_REPLICATE)
        if not ut.get_argflag('--nocpp'):
            (kpts_list_ri, vecs_list2) = detect_feats(img_fpath,
                                                      rotation_invariance=True)
            kpts_ri = ut.strided_sample(kpts_list_ri, 2)
        (kpts_list_gv, vecs_list1) = detect_feats(img_fpath,
                                                  rotation_invariance=False)
        kpts_gv = ut.strided_sample(kpts_list_gv, 2)
        # find_kpts_direction
        imgBGR = vt.imread(img_fpath)
        kpts_ripy = vt.find_kpts_direction(imgBGR,
                                           kpts_gv,
                                           DEBUG_ROTINVAR=False)
        # Verify results stdout
        #print('nkpts = %r' % (len(kpts_gv)))
        #print(vt.kpts_repr(kpts_gv))
        #print(vt.kpts_repr(kpts_ri))
        #print(vt.kpts_repr(kpts_ripy))
        # Verify results plot
        pt.figure(fnum=fnum, pnum=next_pnum())
        pt.imshow(imgBGR)
        #if len(kpts_gv) > 0:
        #    pt.draw_kpts2(kpts_gv, ori=True, ell_color=pt.BLUE, ell_linewidth=10.5)
        ell = False
        rect = True
        if not ut.get_argflag('--nocpp'):
            if len(kpts_ri) > 0:
                pt.draw_kpts2(kpts_ri,
                              rect=rect,
                              ell=ell,
                              ori=True,
                              ell_color=pt.RED,
                              ell_linewidth=5.5)
        if len(kpts_ripy) > 0:
            pt.draw_kpts2(kpts_ripy,
                          rect=rect,
                          ell=ell,
                          ori=True,
                          ell_color=pt.GREEN,
                          ell_linewidth=3.5)
        #print('\n'.join(vt.get_ori_strs(np.vstack([kpts_gv, kpts_ri, kpts_ripy]))))
        #ut.embed(exec_lines=['pt.update()'])
    pt.set_figtitle('green=python, red=C++')
    pt.show_if_requested()
예제 #5
0
def test_rot_invar():
    r"""
    CommandLine:
        python -m pyhesaff test_rot_invar --show --rebuild-hesaff --no-rmbuild
        python -m pyhesaff test_rot_invar --show --nocpp

        python -m vtool.tests.dummy testdata_ratio_matches --show --ratio_thresh=1.0 --rotation_invariance --rebuild-hesaff
        python -m vtool.tests.dummy testdata_ratio_matches --show --ratio_thresh=1.1 --rotation_invariance --rebuild-hesaff

    Example:
        >>> # DISABLE_DODCTEST
        >>> from pyhesaff._pyhesaff import *  # NOQA
        >>> test_rot_invar()
    """
    import cv2
    import utool as ut
    import vtool as vt
    import plottool as pt
    TAU = 2 * np.pi
    fnum = pt.next_fnum()
    NUM_PTS = 5  # 9
    theta_list = np.linspace(0, TAU, NUM_PTS, endpoint=False)
    nRows, nCols = pt.get_square_row_cols(len(theta_list), fix=True)
    next_pnum = pt.make_pnum_nextgen(nRows, nCols)
    # Expand the border a bit around star.png
    pad_ = 100
    img_fpath = ut.grab_test_imgpath('star.png')
    img_fpath2 = vt.pad_image_ondisk(img_fpath, pad_, value=26)
    for theta in theta_list:
        print('-----------------')
        print('theta = %r' % (theta,))
        #theta = ut.get_argval('--theta', type_=float, default=TAU * 3 / 8)
        img_fpath = vt.rotate_image_ondisk(img_fpath2, theta, borderMode=cv2.BORDER_REPLICATE)
        if not ut.get_argflag('--nocpp'):
            (kpts_list_ri, vecs_list2) = detect_feats(img_fpath, rotation_invariance=True)
            kpts_ri = ut.strided_sample(kpts_list_ri, 2)
        (kpts_list_gv, vecs_list1) = detect_feats(img_fpath, rotation_invariance=False)
        kpts_gv = ut.strided_sample(kpts_list_gv, 2)
        # find_kpts_direction
        imgBGR = vt.imread(img_fpath)
        kpts_ripy = vt.find_kpts_direction(imgBGR, kpts_gv, DEBUG_ROTINVAR=False)
        # Verify results stdout
        #print('nkpts = %r' % (len(kpts_gv)))
        #print(vt.kpts_repr(kpts_gv))
        #print(vt.kpts_repr(kpts_ri))
        #print(vt.kpts_repr(kpts_ripy))
        # Verify results plot
        pt.figure(fnum=fnum, pnum=next_pnum())
        pt.imshow(imgBGR)
        #if len(kpts_gv) > 0:
        #    pt.draw_kpts2(kpts_gv, ori=True, ell_color=pt.BLUE, ell_linewidth=10.5)
        ell = False
        rect = True
        if not ut.get_argflag('--nocpp'):
            if len(kpts_ri) > 0:
                pt.draw_kpts2(kpts_ri, rect=rect, ell=ell, ori=True,
                              ell_color=pt.RED, ell_linewidth=5.5)
        if len(kpts_ripy) > 0:
            pt.draw_kpts2(kpts_ripy, rect=rect, ell=ell,  ori=True,
                          ell_color=pt.GREEN, ell_linewidth=3.5)
        #print('\n'.join(vt.get_ori_strs(np.vstack([kpts_gv, kpts_ri, kpts_ripy]))))
        #ut.embed(exec_lines=['pt.update()'])
    pt.set_figtitle('green=python, red=C++')
    pt.show_if_requested()