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RED-9139: more robust TOC detection

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* detect numbers in words, and not just whole words that are numbers
This commit is contained in:
Kilian Schuettler 2024-11-08 10:41:56 +01:00
parent f9b25c8157
commit e6cd889444
9 changed files with 107 additions and 55 deletions
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2
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/SectionIdentifier.java
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@ -16,7 +16,7 @@ import lombok.experimental.FieldDefaults;
@FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE) @FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE)
public class SectionIdentifier { public class SectionIdentifier {
public static Pattern numericalIdentifierPattern = Pattern.compile("^[\\s]?(\\d{1,2})[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?"); public static Pattern numericalIdentifierPattern = Pattern.compile("^[\\s]?(\\d{1,2})(?:[\\s.,;](\\d{1,2}))?(?:[\\s.,;](\\d{1,2}))?(?:[\\s.,;](\\d{1,2}))?");
public static Pattern alphanumericIdentifierPattern = Pattern.compile("^[\\s]?[A-Za-z][\\s.,;]?(\\d{1,2})[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?[\\s.,;]?"); public static Pattern alphanumericIdentifierPattern = Pattern.compile("^[\\s]?[A-Za-z][\\s.,;]?(\\d{1,2})[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?[\\s.,;]?(\\d{1,2})?[\\s.,;]?");
public enum Format { public enum Format {

16
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/text/TextPositionSequenceComparator.java
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@ -3,19 +3,21 @@ package com.knecon.fforesight.service.layoutparser.processor.model.text;
import java.util.Comparator; import java.util.Comparator;
import java.util.HashMap; import java.util.HashMap;
public class TextPositionSequenceComparator implements Comparator<Word> { import com.knecon.fforesight.service.layoutparser.processor.services.classification.NumberWord;
private HashMap<Word, TextBlockOnPage> lookup; public class TextPositionSequenceComparator implements Comparator<NumberWord> {
private HashMap<NumberWord, TextBlockOnPage> lookup;
public TextPositionSequenceComparator(HashMap<Word, TextBlockOnPage> lookup) { public TextPositionSequenceComparator(HashMap<NumberWord, TextBlockOnPage> lookup) {
this.lookup = lookup; this.lookup = lookup;
} }
@Override @Override
public int compare(Word number1, Word number2) { public int compare(NumberWord number1, NumberWord number2) {
int page1 = lookup.get(number1).page().getPageNumber(); int page1 = lookup.get(number1).page().getPageNumber();
int page2 = lookup.get(number2).page().getPageNumber(); int page2 = lookup.get(number2).page().getPageNumber();
@ -24,11 +26,11 @@ public class TextPositionSequenceComparator implements Comparator<Word> {
return Integer.compare(page1, page2); return Integer.compare(page1, page2);
} }
if (number1.getY() != number2.getY()) { if (number1.word().getY() != number2.word().getY()) {
return Double.compare(number1.getY(), number2.getY()); return Double.compare(number1.word().getY(), number2.word().getY());
} }
return Integer.compare(Integer.parseInt(number1.toString()), Integer.parseInt(number2.toString())); return Integer.compare(number1.number(), number2.number());
} }
} }

7
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/NumberWord.java Normal file
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@ -0,0 +1,7 @@
package com.knecon.fforesight.service.layoutparser.processor.services.classification;
import com.knecon.fforesight.service.layoutparser.processor.model.text.Word;
public record NumberWord(Word word, int number) {
}

92
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/TableOfContentsClassificationService.java
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@ -14,6 +14,7 @@ import java.util.List;
import java.util.Locale; import java.util.Locale;
import java.util.Map; import java.util.Map;
import java.util.Set; import java.util.Set;
import java.util.regex.Matcher;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import org.springframework.stereotype.Service; import org.springframework.stereotype.Service;
@ -23,6 +24,7 @@ import com.knecon.fforesight.service.layoutparser.processor.model.AbstractPageBl
import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationDocument; import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationDocument;
import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationPage; import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationPage;
import com.knecon.fforesight.service.layoutparser.processor.model.PageBlockType; import com.knecon.fforesight.service.layoutparser.processor.model.PageBlockType;
import com.knecon.fforesight.service.layoutparser.processor.model.SectionIdentifier;
import com.knecon.fforesight.service.layoutparser.processor.model.text.TextBlockOnPage; import com.knecon.fforesight.service.layoutparser.processor.model.text.TextBlockOnPage;
import com.knecon.fforesight.service.layoutparser.processor.model.text.TextPageBlock; import com.knecon.fforesight.service.layoutparser.processor.model.text.TextPageBlock;
import com.knecon.fforesight.service.layoutparser.processor.model.text.Word; import com.knecon.fforesight.service.layoutparser.processor.model.text.Word;
@ -71,9 +73,9 @@ public class TableOfContentsClassificationService {
ClassificationPage startPage = textBlocks.get(start).page(); ClassificationPage startPage = textBlocks.get(start).page();
List<TextBlockOnPage> initialLookAhead = textBlocks.subList(start, Math.min(start + SURROUNDING_BLOCKS_RADIUS, textBlocks.size())); List<TextBlockOnPage> initialLookAhead = textBlocks.subList(start, Math.min(start + SURROUNDING_BLOCKS_RADIUS, textBlocks.size()));
HashMap<Word, TextBlockOnPage> lookup = new HashMap<>(); HashMap<NumberWord, TextBlockOnPage> numberToBlockLookup = new HashMap<>();
List<Word> numbers = extractNumbers(initialLookAhead, lookup, document.getPages().size()); List<NumberWord> numbers = extractNumbers(initialLookAhead, numberToBlockLookup, document.getPages().size());
TocNumberFinder tocNumberFinder = new TocNumberFinder(numbers, lookup); TocNumberFinder tocNumberFinder = new TocNumberFinder(numbers, numberToBlockLookup);
int lastCandidate = start; int lastCandidate = start;
for (int i = start; i < Math.min(lastCandidate + SURROUNDING_BLOCKS_RADIUS, textBlocks.size()); i++) { for (int i = start; i < Math.min(lastCandidate + SURROUNDING_BLOCKS_RADIUS, textBlocks.size()); i++) {
@ -93,28 +95,28 @@ public class TableOfContentsClassificationService {
break; break;
} }
List<Word> numbersFromBlock = extractNumbers(textBlockOnPage, lookup, document.getPages().size()); List<NumberWord> numbersFromBlock = extractNumbers(textBlockOnPage, numberToBlockLookup, document.getPages().size());
List<Word> currentRightmostCluster = tocNumberFinder.getCurrentRightmostCluster(); List<NumberWord> currentRightmostCluster = tocNumberFinder.getCurrentRightmostCluster();
if (currentRightmostCluster.size() < MINIMUM_MATCHES) { if (currentRightmostCluster.size() < MINIMUM_MATCHES) {
log.debug("No numbers indicating a table of contents here."); log.debug("No numbers indicating a table of contents here.");
return start; return start;
} }
if (anyIntersection(currentRightmostCluster, numbersFromBlock, lookup)) { if (anyIntersection(currentRightmostCluster, numbersFromBlock, numberToBlockLookup)) {
lastCandidate = i; lastCandidate = i;
numbersFromBlock.forEach(tocNumberFinder::add); numbersFromBlock.forEach(tocNumberFinder::add);
} }
} }
addVisualization(document.getLayoutDebugLayer(), tocNumberFinder, lookup);
Set<TextBlockOnPage> blocksWithNumberInCluster = tocNumberFinder.getCurrentRightmostCluster() Set<TextBlockOnPage> blocksWithNumberInCluster = tocNumberFinder.getCurrentRightmostCluster()
.stream() .stream()
.map(lookup::get) .map(numberToBlockLookup::get)
.collect(Collectors.toSet()); .collect(Collectors.toSet());
addVisualization(document.getLayoutDebugLayer(), tocNumberFinder, numberToBlockLookup, blocksWithNumberInCluster, textBlocks.get(start - 1));
int lastConfirmed = start; int lastConfirmed = start;
for (int i = start; i < lastCandidate + 1; i++) { for (int i = start; i < lastCandidate + 1; i++) {
TextBlockOnPage textBlockOnPage = textBlocks.get(i); TextBlockOnPage textBlockOnPage = textBlocks.get(i);
@ -132,18 +134,22 @@ public class TableOfContentsClassificationService {
} }
private static void addVisualization(LayoutDebugLayer layoutDebugLayer, TocNumberFinder tocNumberFinder, Map<Word, TextBlockOnPage> lookup) { private static void addVisualization(LayoutDebugLayer layoutDebugLayer,
TocNumberFinder tocNumberFinder,
Map<NumberWord, TextBlockOnPage> lookup,
Set<TextBlockOnPage> blocksWithNumberInCluster,
TextBlockOnPage startingHeadline) {
tocNumberFinder.getCurrentRightmostCluster() tocNumberFinder.getCurrentRightmostCluster()
.stream() .stream()
.collect(Collectors.groupingBy(key -> lookup.get(key).page().getPageNumber())) .collect(Collectors.groupingBy(key -> lookup.get(key).page().getPageNumber()))
.forEach((pageNumber, number) -> layoutDebugLayer.addTocPages(number, pageNumber)); .forEach((pageNumber, number) -> layoutDebugLayer.addTocPages(number, pageNumber));
layoutDebugLayer.addTocBlocks(blocksWithNumberInCluster);
layoutDebugLayer.addTocBlocks(Set.of(startingHeadline));
} }
private static boolean anyIntersection(Collection<Word> numbers1, private static boolean anyIntersection(Collection<NumberWord> numbers1, Collection<NumberWord> numbers2, Map<NumberWord, TextBlockOnPage> lookup) {
Collection<Word> numbers2,
Map<Word, TextBlockOnPage> lookup) {
return numbers1.stream() return numbers1.stream()
.anyMatch(numberFromCluster -> numbers2.stream() .anyMatch(numberFromCluster -> numbers2.stream()
@ -151,9 +157,9 @@ public class TableOfContentsClassificationService {
} }
private static List<Word> extractNumbers(List<TextBlockOnPage> textBlocks, Map<Word, TextBlockOnPage> lookup, int numberOfPages) { private static List<NumberWord> extractNumbers(List<TextBlockOnPage> textBlocks, Map<NumberWord, TextBlockOnPage> lookup, int numberOfPages) {
List<Word> blocks = new LinkedList<>(); List<NumberWord> blocks = new LinkedList<>();
for (TextBlockOnPage textBlock : textBlocks) { for (TextBlockOnPage textBlock : textBlocks) {
blocks.addAll(extractNumbers(textBlock, lookup, numberOfPages)); blocks.addAll(extractNumbers(textBlock, lookup, numberOfPages));
} }
@ -161,30 +167,36 @@ public class TableOfContentsClassificationService {
} }
private static List<Word> extractNumbers(TextBlockOnPage textBlock, Map<Word, TextBlockOnPage> lookup, int numberOfPages) { private static List<NumberWord> extractNumbers(TextBlockOnPage textBlock, Map<NumberWord, TextBlockOnPage> lookup, int numberOfPages) {
List<Word> blocks = new LinkedList<>(); List<NumberWord> blocks = new LinkedList<>();
TextPageBlock block = textBlock.textBlock(); TextPageBlock block = textBlock.textBlock();
List<Word> sequences = block.getWords(); List<Word> words = block.getWords();
for (int i = 0; i < sequences.size(); i++) { for (int i = 0; i < words.size(); i++) {
Word word = sequences.get(i); Word word = words.get(i);
if (!NUMERIC.matcher(word).matches() || word.length() > 5) { if (AMOUNT_PATTERN.matcher(getSurroundingString(i, words)).matches()) {
continue; continue;
} }
if (AMOUNT_PATTERN.matcher(getSurroundingString(i, sequences)).matches()) { if (SectionIdentifier.fromSearchText(word.toString()).level() > 1) {
continue;
}
Matcher numberFinder = NUMERIC.matcher(word);
if (!numberFinder.find() || word.length() > 5) {
continue; continue;
} }
try { try {
int pageNumber = Integer.parseInt(word.toString()); int pageNumber = Integer.parseInt(numberFinder.group());
if (0 >= pageNumber || pageNumber > numberOfPages) { if (0 >= pageNumber || pageNumber > numberOfPages) {
continue; continue;
} }
lookup.put(word, textBlock); NumberWord numberWord = new NumberWord(word, pageNumber);
blocks.add(word); lookup.put(numberWord, textBlock);
blocks.add(numberWord);
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
log.debug("That wasn't a number! Should not happen, due to numeric check beforehand."); log.debug("That wasn't a number! Should not happen, due to numeric check beforehand.");
} }
@ -203,13 +215,13 @@ public class TableOfContentsClassificationService {
} }
private static boolean matches(Word number1, Word number2, Map<Word, TextBlockOnPage> lookup) { private static boolean matches(NumberWord number1, NumberWord number2, Map<NumberWord, TextBlockOnPage> lookup) {
if (number1.getDir() != number2.getDir()) { if (number1.word().getDir() != number2.word().getDir()) {
return false; return false;
} }
return number1.intersectsXDirAdj(number2, INTERSECTION_TOLERANCE); return number1.word().intersectsXDirAdj(number2.word(), INTERSECTION_TOLERANCE);
} }
@ -247,11 +259,11 @@ public class TableOfContentsClassificationService {
private static class TocNumberFinder { private static class TocNumberFinder {
final UnionFind<Word> numberClusters; final UnionFind<NumberWord> numberClusters;
final HashMap<Word, TextBlockOnPage> lookup; final HashMap<NumberWord, TextBlockOnPage> lookup;
TocNumberFinder(List<Word> blocks, HashMap<Word, TextBlockOnPage> lookup) { TocNumberFinder(List<NumberWord> blocks, HashMap<NumberWord, TextBlockOnPage> lookup) {
this.numberClusters = new UnionFind<>(new HashSet<>(blocks)); this.numberClusters = new UnionFind<>(new HashSet<>(blocks));
for (int i = 0; i < blocks.size(); i++) { for (int i = 0; i < blocks.size(); i++) {
@ -265,14 +277,14 @@ public class TableOfContentsClassificationService {
} }
public void add(Word number) { public void add(NumberWord number) {
if (numberClusters.getElements().contains(number)) { if (numberClusters.getElements().contains(number)) {
return; return;
} }
numberClusters.addElement(number); numberClusters.addElement(number);
for (Word element : numberClusters.getElements()) { for (NumberWord element : numberClusters.getElements()) {
if (matches(number, element, lookup)) { if (matches(number, element, lookup)) {
numberClusters.union(element, number); numberClusters.union(element, number);
} }
@ -280,7 +292,7 @@ public class TableOfContentsClassificationService {
} }
public List<Word> getCurrentRightmostCluster() { public List<NumberWord> getCurrentRightmostCluster() {
return numberClusters.getGroups() return numberClusters.getGroups()
.stream() .stream()
@ -291,7 +303,7 @@ public class TableOfContentsClassificationService {
.map(this::removeOutliers) .map(this::removeOutliers)
// .map(this::filterByMinimumDensity) // .map(this::filterByMinimumDensity)
.filter(cluster -> cluster.size() > MINIMUM_MATCHES) .filter(cluster -> cluster.size() > MINIMUM_MATCHES)
.max(Comparator.comparingDouble(cluster -> cluster.get(0).getBBox().getMaxX())).orElse(Collections.emptyList()); .max(Comparator.comparingDouble(cluster -> cluster.get(0).word().getBBox().getMaxX())).orElse(Collections.emptyList());
} }
// does not seem to be doing much, ideally instead of using the height of the blocks i would like to use the height, beginning from the MainBody top, // does not seem to be doing much, ideally instead of using the height of the blocks i would like to use the height, beginning from the MainBody top,
@ -322,9 +334,9 @@ public class TableOfContentsClassificationService {
// } // }
public List<Word> removeOutliers(List<Word> numbers) { public List<NumberWord> removeOutliers(List<NumberWord> numbers) {
List<Word> result = new ArrayList<>(); List<NumberWord> result = new ArrayList<>();
result.add(numbers.get(0)); result.add(numbers.get(0));
@ -346,7 +358,7 @@ public class TableOfContentsClassificationService {
// Helper method to check if removing the current number results in a better order // Helper method to check if removing the current number results in a better order
public static boolean isBetterWithout(List<Word> numbers, int i) { public static boolean isBetterWithout(List<NumberWord> numbers, int i) {
if (i == 0 || i == numbers.size() - 1) { if (i == 0 || i == numbers.size() - 1) {
return false; return false;
@ -362,9 +374,9 @@ public class TableOfContentsClassificationService {
} }
private static int getNumberAsInt(List<Word> numbers, int i) { private static int getNumberAsInt(List<NumberWord> numbers, int i) {
return Integer.parseInt(numbers.get(i).toString()); return numbers.get(i).number();
} }
} }

8
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/factory/DocumentGraphFactory.java
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@ -16,7 +16,7 @@ import java.util.Optional;
import java.util.Set; import java.util.Set;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.NodeType; import com.knecon.fforesight.service.layoutparser.internal.api.data.redaction.NodeTypeProto;
import com.knecon.fforesight.service.layoutparser.internal.api.queue.LayoutParsingType; import com.knecon.fforesight.service.layoutparser.internal.api.queue.LayoutParsingType;
import com.knecon.fforesight.service.layoutparser.processor.model.AbstractPageBlock; import com.knecon.fforesight.service.layoutparser.processor.model.AbstractPageBlock;
import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationDocument; import com.knecon.fforesight.service.layoutparser.processor.model.ClassificationDocument;
@ -82,9 +82,9 @@ public class DocumentGraphFactory {
documentGraph.streamAllSubNodes() documentGraph.streamAllSubNodes()
.filter(SemanticNode::isLeaf) .filter(SemanticNode::isLeaf)
.filter(node -> !node.getType().equals(NodeType.HEADER)) .filter(node -> !node.getType().equals(NodeTypeProto.NodeType.HEADER))
.filter(node -> !node.getType().equals(NodeType.FOOTER)) .filter(node -> !node.getType().equals(NodeTypeProto.NodeType.FOOTER))
.filter(node -> !node.getType().equals(NodeType.IMAGE)) .filter(node -> !node.getType().equals(NodeTypeProto.NodeType.IMAGE))
.map(SemanticNode::getTextBlock) .map(SemanticNode::getTextBlock)
.map(TextBlock::getAtomicTextBlocks) .map(TextBlock::getAtomicTextBlocks)
.flatMap(Collection::stream) .flatMap(Collection::stream)

25
layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/visualization/LayoutDebugLayer.java
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@ -27,7 +27,9 @@ import com.knecon.fforesight.service.layoutparser.processor.model.outline.Outlin
import com.knecon.fforesight.service.layoutparser.processor.model.table.CleanRulings; import com.knecon.fforesight.service.layoutparser.processor.model.table.CleanRulings;
import com.knecon.fforesight.service.layoutparser.processor.model.table.Ruling; import com.knecon.fforesight.service.layoutparser.processor.model.table.Ruling;
import com.knecon.fforesight.service.layoutparser.processor.model.text.ListIdentifier; import com.knecon.fforesight.service.layoutparser.processor.model.text.ListIdentifier;
import com.knecon.fforesight.service.layoutparser.processor.model.text.TextBlockOnPage;
import com.knecon.fforesight.service.layoutparser.processor.model.text.Word; import com.knecon.fforesight.service.layoutparser.processor.model.text.Word;
import com.knecon.fforesight.service.layoutparser.processor.services.classification.NumberWord;
import com.knecon.fforesight.service.layoutparser.processor.utils.CoordinateTransforms; import com.knecon.fforesight.service.layoutparser.processor.utils.CoordinateTransforms;
import com.knecon.fforesight.service.layoutparser.processor.utils.MarkedContentUtils; import com.knecon.fforesight.service.layoutparser.processor.utils.MarkedContentUtils;
import com.knecon.fforesight.service.layoutparser.processor.utils.PageInformation; import com.knecon.fforesight.service.layoutparser.processor.utils.PageInformation;
@ -293,7 +295,7 @@ public class LayoutDebugLayer extends LayoutDebugLayerConfig {
} }
public void addTocPages(List<Word> numbers, int page) { public void addTocPages(List<NumberWord> numbers, int page) {
if (!active) { if (!active) {
return; return;
@ -302,11 +304,13 @@ public class LayoutDebugLayer extends LayoutDebugLayerConfig {
VisualizationsOnPage visualizationsOnPage = getOrCreateVisualizationsOnPage(page, this.tocPages); VisualizationsOnPage visualizationsOnPage = getOrCreateVisualizationsOnPage(page, this.tocPages);
visualizationsOnPage.getColoredRectangles() visualizationsOnPage.getColoredRectangles()
.addAll(numbers.stream() .addAll(numbers.stream()
.map(NumberWord::word)
.map(BoundingBox::getBBoxPdf) .map(BoundingBox::getBBoxPdf)
.map(line -> new ColoredRectangle(line, LINES_COLOR, LINE_WIDTH)) .map(line -> new ColoredRectangle(line, LINES_COLOR, LINE_WIDTH))
.toList()); .toList());
visualizationsOnPage.getColoredRectangles() visualizationsOnPage.getColoredRectangles()
.add(new ColoredRectangle(numbers.stream() .add(new ColoredRectangle(numbers.stream()
.map(NumberWord::word)
.map(BoundingBox::getBBoxPdf) .map(BoundingBox::getBBoxPdf)
.collect(RectangleTransformations.collectBBox()), LINES_COLOR, LINE_WIDTH)); .collect(RectangleTransformations.collectBBox()), LINES_COLOR, LINE_WIDTH));
} }
@ -332,8 +336,10 @@ public class LayoutDebugLayer extends LayoutDebugLayerConfig {
private void addOutlineObject(OutlineObject outlineObject, PageInformation pageInformation) { private void addOutlineObject(OutlineObject outlineObject, PageInformation pageInformation) {
if (!active) {
return;
}
int rectSize = 5; int rectSize = 5;
Point2D point2D; Point2D point2D;
if (outlineObject.getPoint().isPresent()) { if (outlineObject.getPoint().isPresent()) {
point2D = outlineObject.getPoint().get(); point2D = outlineObject.getPoint().get();
@ -357,10 +363,25 @@ public class LayoutDebugLayer extends LayoutDebugLayerConfig {
public void addListIdentifiers(List<ListIdentifier> listIdentifiers) { public void addListIdentifiers(List<ListIdentifier> listIdentifiers) {
if (!active) {
return;
}
for (ListIdentifier listIdentifier : listIdentifiers) { for (ListIdentifier listIdentifier : listIdentifiers) {
getOrCreateVisualizationsOnPage(listIdentifier.getPage(), this.listIdentifiers).getColoredRectangles() getOrCreateVisualizationsOnPage(listIdentifier.getPage(), this.listIdentifiers).getColoredRectangles()
.add(new ColoredRectangle(listIdentifier.getWord().getBBoxPdf(), WORDS_COLOR, LINE_WIDTH)); .add(new ColoredRectangle(listIdentifier.getWord().getBBoxPdf(), WORDS_COLOR, LINE_WIDTH));
} }
} }
public void addTocBlocks(Set<TextBlockOnPage> blocksWithNumberInCluster) {
if (!active) {
return;
}
for (TextBlockOnPage textBlockOnPage : blocksWithNumberInCluster) {
getOrCreateVisualizationsOnPage(textBlockOnPage.page().getPageNumber(), this.tocBlocks).getColoredRectangles()
.add(new ColoredRectangle(textBlockOnPage.textBlock().getBBoxPdf(), TOC_COLOR, LINE_WIDTH));
}
}
} }

7
layoutparser-service/layoutparser-service-server/src/test/java/com/knecon/fforesight/service/layoutparser/processor/model/SectionIdentifierTest.java
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@ -83,4 +83,11 @@ class SectionIdentifierTest {
assertEquals(List.of(4, 1, 2, 4), identifier.getIdentifiers()); assertEquals(List.of(4, 1, 2, 4), identifier.getIdentifiers());
} }
@Test
void testFalsePositive111() {
SectionIdentifier identifier = SectionIdentifier.fromSearchText("111: Headline");
assertEquals(SectionIdentifier.Format.NUMERICAL, identifier.getFormat());
assertEquals(1, identifier.level());
}
} }

1
layoutparser-service/viewer-doc-processor/src/main/java/com/knecon/fforesight/service/viewerdoc/LayerIdentifier.java
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@ -57,6 +57,7 @@ public record LayerIdentifier(String name, String markedContentName) {
public static final LayerIdentifier OUTLINE_OBJECTS = new LayerIdentifier("Outline Positions", "OUTLINE_OBJECTS"); public static final LayerIdentifier OUTLINE_OBJECTS = new LayerIdentifier("Outline Positions", "OUTLINE_OBJECTS");
public static final LayerIdentifier SENTENCES = new LayerIdentifier("Sentences", "SENTENCES"); public static final LayerIdentifier SENTENCES = new LayerIdentifier("Sentences", "SENTENCES");
public static final LayerIdentifier TOC_PAGES = new LayerIdentifier("TOC pages", "TOC_PAGES"); public static final LayerIdentifier TOC_PAGES = new LayerIdentifier("TOC pages", "TOC_PAGES");
public static final LayerIdentifier TOC_BLOCKS = new LayerIdentifier("TOC blocks", "TOC_BLOCKS");
public static final LayerIdentifier LIST_IDENTIFIERS = new LayerIdentifier("List identifiers", "LIST_IDENTIFIERS"); public static final LayerIdentifier LIST_IDENTIFIERS = new LayerIdentifier("List identifiers", "LIST_IDENTIFIERS");
// Visual layout parser // Visual layout parser

4
layoutparser-service/viewer-doc-processor/src/main/java/com/knecon/fforesight/service/viewerdoc/layers/LayoutDebugLayerConfig.java
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@ -22,6 +22,7 @@ public class LayoutDebugLayerConfig extends AbstractLayerGroup {
protected static final Color WORDS_COLOR = new Color(68, 84, 147); protected static final Color WORDS_COLOR = new Color(68, 84, 147);
protected static final Color LINES_COLOR = new Color(152, 45, 179); protected static final Color LINES_COLOR = new Color(152, 45, 179);
protected static final Color TOC_COLOR = new Color(33, 159, 144);
protected static final Color ZONES_COLOR = new Color(131, 38, 38); protected static final Color ZONES_COLOR = new Color(131, 38, 38);
protected static final Color RULINGS_COLOR = new Color(21, 221, 174); protected static final Color RULINGS_COLOR = new Color(21, 221, 174);
@ -59,6 +60,7 @@ public class LayoutDebugLayerConfig extends AbstractLayerGroup {
protected final Visualizations outlineObjects = Visualizations.builder().layer(LayerIdentifier.OUTLINE_OBJECTS).build(); protected final Visualizations outlineObjects = Visualizations.builder().layer(LayerIdentifier.OUTLINE_OBJECTS).build();
protected final Visualizations sentences = Visualizations.builder().layer(LayerIdentifier.SENTENCES).build(); protected final Visualizations sentences = Visualizations.builder().layer(LayerIdentifier.SENTENCES).build();
protected final Visualizations tocPages = Visualizations.builder().layer(LayerIdentifier.TOC_PAGES).build(); protected final Visualizations tocPages = Visualizations.builder().layer(LayerIdentifier.TOC_PAGES).build();
protected final Visualizations tocBlocks = Visualizations.builder().layer(LayerIdentifier.TOC_BLOCKS).build();
protected final Visualizations listIdentifiers = Visualizations.builder().layer(LayerIdentifier.LIST_IDENTIFIERS).build(); protected final Visualizations listIdentifiers = Visualizations.builder().layer(LayerIdentifier.LIST_IDENTIFIERS).build();
@ -77,9 +79,9 @@ public class LayoutDebugLayerConfig extends AbstractLayerGroup {
markedContent, // markedContent, //
outlineObjects, // outlineObjects, //
tocPages, // tocPages, //
tocBlocks, //
listIdentifiers // listIdentifiers //
); );
} }
} }