this repo has no description
initial project
+414
+287
OCR.xcodeproj/project.pbxproj
+287
OCR.xcodeproj/project.pbxproj
···
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// !$*UTF8*$!
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{
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BE023CCC296174C9001F4E9F /* OCR */,
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BE023CC6296174C9001F4E9F /* Sources */,
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buildRules = (
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dependencies = (
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);
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name = OCR;
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productName = OCR;
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productReference = BE023CCA296174C9001F4E9F /* OCR */;
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productType = "com.apple.product-type.tool";
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targets = (
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BE023CC9296174C9001F4E9F /* OCR */,
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CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
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CLANG_WARN_ENUM_CONVERSION = YES;
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CLANG_WARN_INFINITE_RECURSION = YES;
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CLANG_WARN_INT_CONVERSION = YES;
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CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
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BE023CD1296174C9001F4E9F /* Build configuration list for PBXNativeTarget "OCR" */ = {
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isa = XCConfigurationList;
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buildConfigurations = (
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BE023CD2296174C9001F4E9F /* Debug */,
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BE023CD3296174C9001F4E9F /* Release */,
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);
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defaultConfigurationIsVisible = 0;
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defaultConfigurationName = Release;
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};
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/* End XCConfigurationList section */
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rootObject = BE023CC2296174C9001F4E9F /* Project object */;
287
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}
+127
OCR/main.swift
+127
OCR/main.swift
···
1
+
//
2
+
// main.swift
3
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// OCR
4
+
//
5
+
// Created by xulihang on 2023/1/1.
6
+
//
7
+
8
+
import Vision
9
+
import Cocoa
10
+
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var MODE = VNRequestTextRecognitionLevel.accurate // or .fast
12
+
var USE_LANG_CORRECTION = false
13
+
var REVISION:Int
14
+
if #available(macOS 11, *) {
15
+
REVISION = VNRecognizeTextRequestRevision2
16
+
} else {
17
+
REVISION = VNRecognizeTextRequestRevision1
18
+
}
19
+
20
+
func main(args: [String]) -> Int32 {
21
+
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+
if CommandLine.arguments.count == 2 {
23
+
if args[1] == "--langs" {
24
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let request = VNRecognizeTextRequest.init()
25
+
request.revision = REVISION
26
+
request.recognitionLevel = VNRequestTextRecognitionLevel.accurate
27
+
let langs = try? request.supportedRecognitionLanguages()
28
+
for lang in langs! {
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print(lang)
30
+
}
31
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}
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return 0
33
+
}else if CommandLine.arguments.count == 6 {
34
+
let (language, fastmode, languageCorrection, src, dst) = (args[1], args[2],args[3],args[4],args[5])
35
+
let substrings = language.split(separator: ",")
36
+
var languages:[String] = []
37
+
for substring in substrings {
38
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languages.append(String(substring))
39
+
}
40
+
if fastmode == "true" {
41
+
MODE = VNRequestTextRecognitionLevel.fast
42
+
}else{
43
+
MODE = VNRequestTextRecognitionLevel.accurate
44
+
}
45
+
46
+
if languageCorrection == "true" {
47
+
USE_LANG_CORRECTION = true
48
+
}else{
49
+
USE_LANG_CORRECTION = false
50
+
}
51
+
52
+
guard let img = NSImage(byReferencingFile: src) else {
53
+
fputs("Error: failed to load image '\(src)'\n", stderr)
54
+
return 1
55
+
}
56
+
guard let imgRef = img.cgImage(forProposedRect: nil, context: nil, hints: nil) else {
57
+
fputs("Error: failed to convert NSImage to CGImage for '\(src)'\n", stderr)
58
+
return 1
59
+
}
60
+
61
+
62
+
let request = VNRecognizeTextRequest { (request, error) in
63
+
let observations = request.results as? [VNRecognizedTextObservation] ?? []
64
+
var dict:[String:Any] = [:]
65
+
var lines:[Any] = []
66
+
var allText = ""
67
+
var index = 0
68
+
for observation in observations {
69
+
// Find the top observation.
70
+
var line:[String:Any] = [:]
71
+
let candidate = observation.topCandidates(1).first
72
+
let string = candidate?.string
73
+
// Find the bounding-box observation for the string range.
74
+
let stringRange = string!.startIndex..<string!.endIndex
75
+
let boxObservation = try? candidate?.boundingBox(for: stringRange)
76
+
77
+
// Get the normalized CGRect value.
78
+
let boundingBox = boxObservation?.boundingBox ?? .zero
79
+
// Convert the rectangle from normalized coordinates to image coordinates.
80
+
let rect = VNImageRectForNormalizedRect(boundingBox,
81
+
Int(imgRef.width),
82
+
Int(imgRef.height))
83
+
84
+
line["text"] = string ?? ""
85
+
line["x"] = Int(rect.minX)
86
+
line["width"] = Int(rect.size.width)
87
+
line["y"] = Int(rect.minY)
88
+
line["height"] = Int(rect.size.height)
89
+
lines.append(line)
90
+
allText = allText + (string ?? "")
91
+
index = index + 1
92
+
if index != observations.count {
93
+
allText = allText + "\n"
94
+
}
95
+
}
96
+
dict["lines"] = lines
97
+
dict["text"] = allText
98
+
let data = try? JSONSerialization.data(withJSONObject: dict, options: [])
99
+
let jsonString = String(data: data!,
100
+
encoding: .utf8) ?? "[]"
101
+
try? jsonString.write(to: URL(fileURLWithPath: dst), atomically: true, encoding: String.Encoding.utf8)
102
+
}
103
+
request.recognitionLevel = MODE
104
+
request.usesLanguageCorrection = USE_LANG_CORRECTION
105
+
request.revision = REVISION
106
+
request.recognitionLanguages = languages
107
+
//request.minimumTextHeight = 0
108
+
//request.customWords = [String]
109
+
try? VNImageRequestHandler(cgImage: imgRef, options: [:]).perform([request])
110
+
111
+
return 0
112
+
}else{
113
+
print("""
114
+
usage:
115
+
language fastmode languageCorrection image_path output_path
116
+
--langs: list suppported languages
117
+
118
+
example:
119
+
macOCR en false true ./image.jpg out.json
120
+
""")
121
+
return 1
122
+
}
123
+
}
124
+
125
+
126
+
127
+
exit(main(args: CommandLine.arguments))