355 lines
13 KiB
Java
355 lines
13 KiB
Java
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// This file is auto-generated by alef — DO NOT EDIT.
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// alef:hash:4e15143f4af1ae8bafbdb1506ef057da924484c66a19483966333558ad437e75
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// To regenerate: alef generate
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// To verify freshness: alef verify --exit-code
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// Issues & docs: https://github.com/kreuzberg-dev/alef
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package dev.kreuzberg;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.fasterxml.jackson.annotation.JsonInclude;
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import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
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import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
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import org.jspecify.annotations.Nullable;
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/**
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* Tesseract OCR configuration.
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*
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* Provides fine-grained control over Tesseract OCR engine parameters.
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* Most users can use the defaults, but these settings allow optimization
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* for specific document types (invoices, handwriting, etc.).
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*/
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@JsonInclude(JsonInclude.Include.NON_ABSENT)
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@JsonDeserialize(builder = TesseractConfig.Builder.class)
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public record TesseractConfig(
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/**
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* Language code (e.g., "eng", "deu", "fra")
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*/
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@JsonProperty("language") String language,
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/**
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* Page Segmentation Mode (0-13).
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*
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* Common values:
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* - 3: Fully automatic page segmentation (native default)
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* - 6: Assume a single uniform block of text (WASM default — avoids layout-analysis hang)
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* - 11: Sparse text with no particular order
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*/
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@JsonProperty("psm") int psm,
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/**
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* Output format ("text" or "markdown")
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*/
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@JsonProperty("output_format") String outputFormat,
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/**
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* OCR Engine Mode (0-3).
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*
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* - 0: Legacy engine only
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* - 1: Neural nets (LSTM) only (usually best)
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* - 2: Legacy + LSTM
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* - 3: Default (based on what's available)
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*/
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@JsonProperty("oem") int oem,
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/**
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* Minimum confidence threshold (0.0-100.0).
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*
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* Words with confidence below this threshold may be rejected or flagged.
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*/
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@JsonProperty("min_confidence") double minConfidence,
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/**
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* Image preprocessing configuration.
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*
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* Controls how images are preprocessed before OCR. Can significantly
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* improve quality for scanned documents or low-quality images.
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*/
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@Nullable @JsonProperty("preprocessing") ImagePreprocessingConfig preprocessing,
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/**
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* Enable automatic table detection and reconstruction
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*/
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@JsonProperty("enable_table_detection") boolean enableTableDetection,
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/**
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* Minimum confidence threshold for table detection (0.0-1.0)
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*/
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@JsonProperty("table_min_confidence") double tableMinConfidence,
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/**
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* Column threshold for table detection (pixels)
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*/
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@JsonProperty("table_column_threshold") int tableColumnThreshold,
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/**
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* Row threshold ratio for table detection (0.0-1.0)
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*/
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@JsonProperty("table_row_threshold_ratio") double tableRowThresholdRatio,
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/**
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* Enable OCR result caching
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*/
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@JsonProperty("use_cache") boolean useCache,
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/**
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* Use pre-adapted templates for character classification
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*/
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@JsonProperty("classify_use_pre_adapted_templates") boolean classifyUsePreAdaptedTemplates,
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/**
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* Enable N-gram language model
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*/
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@JsonProperty("language_model_ngram_on") boolean languageModelNgramOn,
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/**
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* Don't reject good words during block-level processing
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*/
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@JsonProperty("tessedit_dont_blkrej_good_wds") boolean tesseditDontBlkrejGoodWds,
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/**
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* Don't reject good words during row-level processing
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*/
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@JsonProperty("tessedit_dont_rowrej_good_wds") boolean tesseditDontRowrejGoodWds,
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/**
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* Enable dictionary correction
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*/
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@JsonProperty("tessedit_enable_dict_correction") boolean tesseditEnableDictCorrection,
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/**
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* Whitelist of allowed characters (empty = all allowed)
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*/
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@JsonProperty("tessedit_char_whitelist") String tesseditCharWhitelist,
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/**
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* Blacklist of forbidden characters (empty = none forbidden)
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*/
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@JsonProperty("tessedit_char_blacklist") String tesseditCharBlacklist,
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/**
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* Use primary language params model
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*/
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@JsonProperty("tessedit_use_primary_params_model") boolean tesseditUsePrimaryParamsModel,
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/**
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* Variable-width space detection
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*/
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@JsonProperty("textord_space_size_is_variable") boolean textordSpaceSizeIsVariable,
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/**
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* Use adaptive thresholding method
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*/
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@JsonProperty("thresholding_method") boolean thresholdingMethod
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) {
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public static Builder builder() {
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return new Builder();
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}
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public TesseractConfig{
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if (psm == 0) psm = 3;
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if (oem == 0) oem = 3;
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if (tableColumnThreshold == 0) tableColumnThreshold = 50;
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}
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// CPD-OFF
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@JsonPOJOBuilder(withPrefix = "with", buildMethodName = "build")
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public static final class Builder {
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private String language = "eng";
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private int psm = 0;
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@JsonProperty("output_format")
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private String outputFormat = "markdown";
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private int oem = 0;
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@JsonProperty("min_confidence")
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private double minConfidence = 0.0;
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private ImagePreprocessingConfig preprocessing = null;
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@JsonProperty("enable_table_detection")
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private boolean enableTableDetection = true;
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@JsonProperty("table_min_confidence")
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private double tableMinConfidence = 0.0;
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@JsonProperty("table_column_threshold")
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private int tableColumnThreshold = 0;
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@JsonProperty("table_row_threshold_ratio")
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private double tableRowThresholdRatio = 0.0;
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@JsonProperty("use_cache")
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private boolean useCache = true;
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@JsonProperty("classify_use_pre_adapted_templates")
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private boolean classifyUsePreAdaptedTemplates = true;
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@JsonProperty("language_model_ngram_on")
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private boolean languageModelNgramOn = false;
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@JsonProperty("tessedit_dont_blkrej_good_wds")
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private boolean tesseditDontBlkrejGoodWds = true;
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@JsonProperty("tessedit_dont_rowrej_good_wds")
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private boolean tesseditDontRowrejGoodWds = true;
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@JsonProperty("tessedit_enable_dict_correction")
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private boolean tesseditEnableDictCorrection = true;
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@JsonProperty("tessedit_char_whitelist")
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private String tesseditCharWhitelist = "";
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@JsonProperty("tessedit_char_blacklist")
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private String tesseditCharBlacklist = "";
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@JsonProperty("tessedit_use_primary_params_model")
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private boolean tesseditUsePrimaryParamsModel = true;
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@JsonProperty("textord_space_size_is_variable")
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private boolean textordSpaceSizeIsVariable = true;
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@JsonProperty("thresholding_method")
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private boolean thresholdingMethod = false;
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/** Sets the language field. */
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@JsonProperty("language")
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public Builder withLanguage(final String value) {
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this.language = value;
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return this;
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}
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/** Sets the psm field. */
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@JsonProperty("psm")
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public Builder withPsm(final int value) {
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this.psm = value;
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return this;
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}
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/** Sets the outputFormat field. */
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@JsonProperty("output_format")
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public Builder withOutputFormat(final String value) {
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this.outputFormat = value;
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return this;
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}
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/** Sets the oem field. */
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@JsonProperty("oem")
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public Builder withOem(final int value) {
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this.oem = value;
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return this;
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}
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/** Sets the minConfidence field. */
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@JsonProperty("min_confidence")
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public Builder withMinConfidence(final double value) {
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this.minConfidence = value;
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return this;
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}
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/** Sets the preprocessing field. */
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@JsonProperty("preprocessing")
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public Builder withPreprocessing(final @Nullable ImagePreprocessingConfig value) {
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this.preprocessing = value;
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return this;
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}
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/** Sets the enableTableDetection field. */
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@JsonProperty("enable_table_detection")
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public Builder withEnableTableDetection(final boolean value) {
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this.enableTableDetection = value;
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return this;
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}
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/** Sets the tableMinConfidence field. */
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@JsonProperty("table_min_confidence")
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public Builder withTableMinConfidence(final double value) {
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this.tableMinConfidence = value;
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return this;
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}
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/** Sets the tableColumnThreshold field. */
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@JsonProperty("table_column_threshold")
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public Builder withTableColumnThreshold(final int value) {
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this.tableColumnThreshold = value;
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return this;
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}
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/** Sets the tableRowThresholdRatio field. */
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@JsonProperty("table_row_threshold_ratio")
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public Builder withTableRowThresholdRatio(final double value) {
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this.tableRowThresholdRatio = value;
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return this;
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}
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/** Sets the useCache field. */
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@JsonProperty("use_cache")
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public Builder withUseCache(final boolean value) {
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this.useCache = value;
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return this;
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}
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/** Sets the classifyUsePreAdaptedTemplates field. */
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@JsonProperty("classify_use_pre_adapted_templates")
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public Builder withClassifyUsePreAdaptedTemplates(final boolean value) {
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this.classifyUsePreAdaptedTemplates = value;
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return this;
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}
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/** Sets the languageModelNgramOn field. */
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@JsonProperty("language_model_ngram_on")
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public Builder withLanguageModelNgramOn(final boolean value) {
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this.languageModelNgramOn = value;
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return this;
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}
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/** Sets the tesseditDontBlkrejGoodWds field. */
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@JsonProperty("tessedit_dont_blkrej_good_wds")
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public Builder withTesseditDontBlkrejGoodWds(final boolean value) {
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this.tesseditDontBlkrejGoodWds = value;
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return this;
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}
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/** Sets the tesseditDontRowrejGoodWds field. */
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@JsonProperty("tessedit_dont_rowrej_good_wds")
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public Builder withTesseditDontRowrejGoodWds(final boolean value) {
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this.tesseditDontRowrejGoodWds = value;
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return this;
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}
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/** Sets the tesseditEnableDictCorrection field. */
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@JsonProperty("tessedit_enable_dict_correction")
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public Builder withTesseditEnableDictCorrection(final boolean value) {
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this.tesseditEnableDictCorrection = value;
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return this;
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}
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/** Sets the tesseditCharWhitelist field. */
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@JsonProperty("tessedit_char_whitelist")
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public Builder withTesseditCharWhitelist(final String value) {
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this.tesseditCharWhitelist = value;
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return this;
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}
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/** Sets the tesseditCharBlacklist field. */
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@JsonProperty("tessedit_char_blacklist")
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public Builder withTesseditCharBlacklist(final String value) {
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this.tesseditCharBlacklist = value;
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return this;
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}
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/** Sets the tesseditUsePrimaryParamsModel field. */
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@JsonProperty("tessedit_use_primary_params_model")
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public Builder withTesseditUsePrimaryParamsModel(final boolean value) {
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this.tesseditUsePrimaryParamsModel = value;
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return this;
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}
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/** Sets the textordSpaceSizeIsVariable field. */
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@JsonProperty("textord_space_size_is_variable")
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public Builder withTextordSpaceSizeIsVariable(final boolean value) {
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this.textordSpaceSizeIsVariable = value;
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return this;
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}
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/** Sets the thresholdingMethod field. */
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@JsonProperty("thresholding_method")
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public Builder withThresholdingMethod(final boolean value) {
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this.thresholdingMethod = value;
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return this;
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}
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/** Builds the TesseractConfig instance. */
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public TesseractConfig build() {
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return new TesseractConfig(
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language,
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psm,
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outputFormat,
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oem,
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minConfidence,
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preprocessing,
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enableTableDetection,
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tableMinConfidence,
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tableColumnThreshold,
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tableRowThresholdRatio,
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useCache,
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classifyUsePreAdaptedTemplates,
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languageModelNgramOn,
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tesseditDontBlkrejGoodWds,
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tesseditDontRowrejGoodWds,
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tesseditEnableDictCorrection,
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tesseditCharWhitelist,
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tesseditCharBlacklist,
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tesseditUsePrimaryParamsModel,
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textordSpaceSizeIsVariable,
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thresholdingMethod
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);
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}
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}
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// CPD-ON
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public static TesseractConfig defaultInstance() {
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throw new UnsupportedOperationException("defaultInstance is not yet bridged via JNI; use the Builder instead.");
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}
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}
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