diff options
| -rw-r--r-- | preproc/cmd/cleanup/main.go | 62 | ||||
| -rw-r--r-- | preproc/testdata/pg1.png (renamed from cleanup/testdata/pg1.png) | bin | 30803 -> 30803 bytes | |||
| -rw-r--r-- | preproc/testdata/pg1_integralwipesides_t0.02_w5.png (renamed from cleanup/testdata/pg1_integralwipesides_t0.02_w5.png) | bin | 33595 -> 33595 bytes | |||
| -rw-r--r-- | preproc/testdata/pg1_integralwipesides_t0.05_w25.png (renamed from cleanup/testdata/pg1_integralwipesides_t0.05_w25.png) | bin | 33432 -> 33432 bytes | |||
| -rw-r--r-- | preproc/testdata/pg1_integralwipesides_t0.05_w5.png (renamed from cleanup/testdata/pg1_integralwipesides_t0.05_w5.png) | bin | 14546 -> 14546 bytes | |||
| -rw-r--r-- | preproc/wipesides.go (renamed from cleanup/wipesides.go) | 2 | ||||
| -rw-r--r-- | preproc/wipesides_test.go (renamed from cleanup/wipesides_test.go) | 2 |
7 files changed, 64 insertions, 2 deletions
diff --git a/preproc/cmd/cleanup/main.go b/preproc/cmd/cleanup/main.go new file mode 100644 index 0000000..7ea0c84 --- /dev/null +++ b/preproc/cmd/cleanup/main.go @@ -0,0 +1,62 @@ +package main + +// TODO: add minimum size variable (default ~30%?) +// TODO: make into a small library +// TODO: have the integral image specific stuff done by interface functions + +import ( + "flag" + "fmt" + "image" + "image/draw" + _ "image/jpeg" + "image/png" + "log" + "os" + + "rescribe.xyz/go.git/binarize" + "rescribe.xyz/go.git/preproc" +) + +func main() { + flag.Usage = func() { + fmt.Fprintf(os.Stderr, "Usage: cleanup [-t thresh] [-w winsize] inimg outimg\n") + flag.PrintDefaults() + } + wsize := flag.Int("w", 5, "Window size for mask finding algorithm.") + thresh := flag.Float64("t", 0.05, "Threshold for the proportion of black pixels below which a window is determined to be the edge.") + flag.Parse() + if flag.NArg() < 2 { + flag.Usage() + os.Exit(1) + } + + f, err := os.Open(flag.Arg(0)) + defer f.Close() + if err != nil { + log.Fatalf("Could not open file %s: %v\n", flag.Arg(0), err) + } + img, _, err := image.Decode(f) + if err != nil { + log.Fatalf("Could not decode image: %v\n", err) + } + b := img.Bounds() + gray := image.NewGray(image.Rect(0, 0, b.Dx(), b.Dy())) + draw.Draw(gray, b, img, b.Min, draw.Src) + + integral := binarize.Integralimg(gray) + + lowedge, highedge := preproc.Findedges(integral, *wsize, *thresh) + + clean := preproc.Wipesides(gray, lowedge, highedge) + + f, err = os.Create(flag.Arg(1)) + if err != nil { + log.Fatalf("Could not create file %s: %v\n", flag.Arg(1), err) + } + defer f.Close() + err = png.Encode(f, clean) + if err != nil { + log.Fatalf("Could not encode image: %v\n", err) + } +} diff --git a/cleanup/testdata/pg1.png b/preproc/testdata/pg1.png Binary files differindex c7c4249..c7c4249 100644 --- a/cleanup/testdata/pg1.png +++ b/preproc/testdata/pg1.png diff --git a/cleanup/testdata/pg1_integralwipesides_t0.02_w5.png b/preproc/testdata/pg1_integralwipesides_t0.02_w5.png Binary files differindex 6b4ccb2..6b4ccb2 100644 --- a/cleanup/testdata/pg1_integralwipesides_t0.02_w5.png +++ b/preproc/testdata/pg1_integralwipesides_t0.02_w5.png diff --git a/cleanup/testdata/pg1_integralwipesides_t0.05_w25.png b/preproc/testdata/pg1_integralwipesides_t0.05_w25.png Binary files differindex 39dc88d..39dc88d 100644 --- a/cleanup/testdata/pg1_integralwipesides_t0.05_w25.png +++ b/preproc/testdata/pg1_integralwipesides_t0.05_w25.png diff --git a/cleanup/testdata/pg1_integralwipesides_t0.05_w5.png b/preproc/testdata/pg1_integralwipesides_t0.05_w5.png Binary files differindex 50df855..50df855 100644 --- a/cleanup/testdata/pg1_integralwipesides_t0.05_w5.png +++ b/preproc/testdata/pg1_integralwipesides_t0.05_w5.png diff --git a/cleanup/wipesides.go b/preproc/wipesides.go index ce3b374..2afe1d2 100644 --- a/cleanup/wipesides.go +++ b/preproc/wipesides.go @@ -1,4 +1,4 @@ -package cleanup +package preproc // TODO: add minimum size variable (default ~30%?) // TODO: have the integral image specific stuff done by interface functions diff --git a/cleanup/wipesides_test.go b/preproc/wipesides_test.go index aa3e590..76151fb 100644 --- a/cleanup/wipesides_test.go +++ b/preproc/wipesides_test.go @@ -1,4 +1,4 @@ -package cleanup +package preproc // TODO: add different pages as test cases // TODO: test non integral img version |
