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https://github.com/qurator-spk/sbb_pixelwise_segmentation.git
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reading order detection on xml with layout + result will be written in an output directory with the same file name
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vahidrezanezhad
parent
2e7c69f2ac
commit
f6abefb0a8
2 changed files with 99 additions and 20 deletions
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@ -664,6 +664,58 @@ def read_xml(xml_file):
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for jj in root1.iter(link+'RegionRefIndexed'):
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index_tot_regions.append(jj.attrib['index'])
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tot_region_ref.append(jj.attrib['regionRef'])
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if (link+'PrintSpace' in alltags) or (link+'Border' in alltags):
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co_printspace = []
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if link+'PrintSpace' in alltags:
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region_tags_printspace = np.unique([x for x in alltags if x.endswith('PrintSpace')])
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elif link+'Border' in alltags:
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region_tags_printspace = np.unique([x for x in alltags if x.endswith('Border')])
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for tag in region_tags_printspace:
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if link+'PrintSpace' in alltags:
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tag_endings_printspace = ['}PrintSpace','}printspace']
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elif link+'Border' in alltags:
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tag_endings_printspace = ['}Border','}border']
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if tag.endswith(tag_endings_printspace[0]) or tag.endswith(tag_endings_printspace[1]):
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for nn in root1.iter(tag):
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c_t_in = []
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sumi = 0
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for vv in nn.iter():
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# check the format of coords
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if vv.tag == link + 'Coords':
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coords = bool(vv.attrib)
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if coords:
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p_h = vv.attrib['points'].split(' ')
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c_t_in.append(
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np.array([[int(x.split(',')[0]), int(x.split(',')[1])] for x in p_h]))
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break
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else:
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pass
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if vv.tag == link + 'Point':
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c_t_in.append([int(float(vv.attrib['x'])), int(float(vv.attrib['y']))])
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sumi += 1
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elif vv.tag != link + 'Point' and sumi >= 1:
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break
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co_printspace.append(np.array(c_t_in))
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img_printspace = np.zeros( (y_len,x_len,3) )
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img_printspace=cv2.fillPoly(img_printspace, pts =co_printspace, color=(1,1,1))
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img_printspace = img_printspace.astype(np.uint8)
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imgray = cv2.cvtColor(img_printspace, cv2.COLOR_BGR2GRAY)
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_, thresh = cv2.threshold(imgray, 0, 255, 0)
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contours, _ = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
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cnt_size = np.array([cv2.contourArea(contours[j]) for j in range(len(contours))])
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cnt = contours[np.argmax(cnt_size)]
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x, y, w, h = cv2.boundingRect(cnt)
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bb_coord_printspace = [x, y, w, h]
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else:
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bb_coord_printspace = None
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region_tags=np.unique([x for x in alltags if x.endswith('Region')])
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co_text_paragraph=[]
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@ -754,7 +806,7 @@ def read_xml(xml_file):
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c_t_in_drop.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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elif "type" in nn.attrib and nn.attrib['type']=='heading':
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id_heading.append(nn.attrib['id'])
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##id_heading.append(nn.attrib['id'])
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c_t_in_heading.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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@ -763,7 +815,7 @@ def read_xml(xml_file):
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c_t_in_signature_mark.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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#print(c_t_in_paragraph)
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elif "type" in nn.attrib and nn.attrib['type']=='header':
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id_header.append(nn.attrib['id'])
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#id_header.append(nn.attrib['id'])
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c_t_in_header.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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@ -776,11 +828,11 @@ def read_xml(xml_file):
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###c_t_in_page_number.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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elif "type" in nn.attrib and nn.attrib['type']=='marginalia':
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id_marginalia.append(nn.attrib['id'])
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#id_marginalia.append(nn.attrib['id'])
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c_t_in_marginalia.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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else:
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id_paragraph.append(nn.attrib['id'])
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#id_paragraph.append(nn.attrib['id'])
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c_t_in_paragraph.append( np.array( [ [ int(x.split(',')[0]) , int(x.split(',')[1]) ] for x in p_h] ) )
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@ -796,7 +848,7 @@ def read_xml(xml_file):
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sumi+=1
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elif "type" in nn.attrib and nn.attrib['type']=='heading':
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id_heading.append(nn.attrib['id'])
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#id_heading.append(nn.attrib['id'])
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c_t_in_heading.append([ int(float(vv.attrib['x'])) , int(float(vv.attrib['y'])) ])
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sumi+=1
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@ -806,7 +858,7 @@ def read_xml(xml_file):
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c_t_in_signature_mark.append([ int(float(vv.attrib['x'])) , int(float(vv.attrib['y'])) ])
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sumi+=1
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elif "type" in nn.attrib and nn.attrib['type']=='header':
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id_header.append(nn.attrib['id'])
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#id_header.append(nn.attrib['id'])
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c_t_in_header.append([ int(float(vv.attrib['x'])) , int(float(vv.attrib['y'])) ])
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sumi+=1
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@ -821,13 +873,13 @@ def read_xml(xml_file):
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###sumi+=1
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elif "type" in nn.attrib and nn.attrib['type']=='marginalia':
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id_marginalia.append(nn.attrib['id'])
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#id_marginalia.append(nn.attrib['id'])
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c_t_in_marginalia.append([ int(float(vv.attrib['x'])) , int(float(vv.attrib['y'])) ])
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sumi+=1
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else:
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id_paragraph.append(nn.attrib['id'])
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#id_paragraph.append(nn.attrib['id'])
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c_t_in_paragraph.append([ int(float(vv.attrib['x'])) , int(float(vv.attrib['y'])) ])
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sumi+=1
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@ -838,11 +890,14 @@ def read_xml(xml_file):
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co_text_drop.append(np.array(c_t_in_drop))
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if len(c_t_in_paragraph)>0:
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co_text_paragraph.append(np.array(c_t_in_paragraph))
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id_paragraph.append(nn.attrib['id'])
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if len(c_t_in_heading)>0:
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co_text_heading.append(np.array(c_t_in_heading))
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id_heading.append(nn.attrib['id'])
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if len(c_t_in_header)>0:
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co_text_header.append(np.array(c_t_in_header))
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id_header.append(nn.attrib['id'])
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if len(c_t_in_page_number)>0:
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co_text_page_number.append(np.array(c_t_in_page_number))
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if len(c_t_in_catch)>0:
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@ -853,6 +908,7 @@ def read_xml(xml_file):
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if len(c_t_in_marginalia)>0:
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co_text_marginalia.append(np.array(c_t_in_marginalia))
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id_marginalia.append(nn.attrib['id'])
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elif tag.endswith('}GraphicRegion') or tag.endswith('}graphicregion'):
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@ -1014,7 +1070,7 @@ def read_xml(xml_file):
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img_poly=cv2.fillPoly(img, pts =co_img, color=(4,4,4))
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img_poly=cv2.fillPoly(img, pts =co_sep, color=(5,5,5))
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return tree1, root1, file_name, id_paragraph, id_header,co_text_paragraph, co_text_header,\
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return tree1, root1, bb_coord_printspace, file_name, id_paragraph, id_header+id_heading, co_text_paragraph, co_text_header+co_text_heading,\
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tot_region_ref,x_len, y_len,index_tot_regions, img_poly
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