1 files changed, 89 insertions, 0 deletions
diff --git a/cmd/bucket-lines/main.go b/cmd/bucket-lines/main.go
new file mode 100644
index 0000000..af81b44
--- /dev/null
+++ b/cmd/bucket-lines/main.go
@@ -0,0 +1,89 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+
+	"rescribe.xyz/utils/pkg/hocr"
+	"rescribe.xyz/utils/pkg/line"
+	"rescribe.xyz/utils/pkg/prob"
+)
+
+func main() {
+	b := BucketSpecs{
+		// minimum confidence, name
+		{0, "bad"},
+		{0.95, "95to98"},
+		{0.98, "98plus"},
+	}
+
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "Usage: bucket-lines [-d dir] [-s specs.json] [hocr1] [prob1] [hocr2] [...]\n")
+		fmt.Fprintf(os.Stderr, "Copies image-text line pairs into different directories according\n")
+		fmt.Fprintf(os.Stderr, "to the average character probability for the line.\n")
+		fmt.Fprintf(os.Stderr, "Both .hocr and .prob files can be processed.\n")
+		fmt.Fprintf(os.Stderr, "For .hocr files, the x_wconf data is used to calculate confidence.\n")
+		fmt.Fprintf(os.Stderr, "The .prob files are generated using ocropy-rpred's --probabilities\n")
+		fmt.Fprintf(os.Stderr, "option.\n")
+		fmt.Fprintf(os.Stderr, "The .prob and .hocr files are assumed to be in the same directory\n")
+		fmt.Fprintf(os.Stderr, "as the line's image and text files.\n\n")
+		flag.PrintDefaults()
+		fmt.Fprintf(os.Stderr, "\nAn example specs.json file would be the following:\n")
+		fmt.Fprintf(os.Stderr, "[{\"min\": 0, \"name\": \"terrible\"}, {\"min\": 0.80, \"name\": \"ok\"}, {\"min\": 0.98, \"name\": \"great\"}]\n")
+	}
+	dir := flag.String("d", "buckets", "Directory to store the buckets")
+	specs := flag.String("s", "", "JSON file describing specs to bucket into")
+	flag.Parse()
+	if flag.NArg() < 1 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	if *specs != "" {
+		js, err := ioutil.ReadFile(*specs)
+		if err != nil {
+			log.Fatal(err)
+		}
+		err = json.Unmarshal(js, &b)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	var err error
+	lines := make(line.Details, 0)
+
+	for _, f := range flag.Args() {
+		var newlines line.Details
+		switch ext := filepath.Ext(f); ext {
+		case ".prob":
+			newlines, err = prob.GetLineDetails(f)
+		case ".hocr":
+			newlines, err = hocr.GetLineDetails(f)
+		default:
+			log.Printf("Skipping file '%s' as it isn't a .prob or .hocr\n", f)
+			continue
+		}
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		for _, l := range newlines {
+			if l.Img != nil {
+				lines = append(lines, l)
+			}
+		}
+	}
+
+	stats, err := BucketUp(lines, b, *dir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	PrintBucketStats(os.Stdout, stats)
+}