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Class Information
Number: 382
Name: Image analysis >
Description: GENERAL STATEMENT OF THE CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
382/100

Applications

3892
382/154

3-d or stereo imaging analysis

3052
382/110

Animal, plant, or food inspection

268
382/128

Biomedical applications

4710
382/133

Cell analysis, classification, or counting

825
382/134

Blood cells

175
382/129

Dna or rna pattern reading

294
382/130

Producing difference image (e.g., angiography)

652
382/131

Tomography (e.g., cat scanner)

2312
382/132

X-ray film analysis (e.g., radiography)

1480
382/112

Document or print quality inspection (e.g., newspaper, photographs, etc.)

607
382/101

Mail processing

360
382/102

Zip code

60
382/141

Manufacturing or product inspection

1516
382/142

Bottle inspection

120
382/143

Inspection of packaged consumer goods

144
382/145

Inspection of semiconductor device or printed circuit board

1189
382/151

Alignment, registration, or position determination

795
382/148

At plural magnifications or resolutions

127
382/149

Fault or defect detection

984
382/150

Faulty soldering

133
382/147

Inspecting printed circuit boards

386
382/146

Measuring external leads

128
382/144

Mask inspection (e.g., semiconductor photomask)

814
382/152

Tool, workpiece, or mechanical component inspection

419
382/107

Motion or velocity measuring

1214
382/115

Personnel identification (e.g., biometrics)

1605
382/117

Using a characteristic of the eye

620
382/116

Using a combination of features (e.g., signature and fingerprint)

408
382/118

Using a facial characteristic

1930
382/124

Using a fingerprint

1462
382/125

Extracting minutia such as ridge endings and bifurcations

393
382/126

With a guiding mechanism for positioning finger

219
382/127

With a prism

185
382/119

Using a signature

279
382/123

Sensing geometrical properties

76
382/121

Sensing pressure only

51
382/120

Sensing pressure together with speed or acceleration

48
382/122

Sensing speed or acceleration only

48
382/106

Range or distance measuring

701
382/114

Reading aids for the visually impaired

79
382/137

Reading bank checks (e.g., documents bearing e-13b type characters)

397
382/139

Reading micr data

190
382/140

Including an optical imager or reader

152
382/138

Reading monetary amount

100
382/136

Reading coins

39
382/113

Reading maps, graphs, drawings, or schematics

287
382/135

Reading paper currency

556
382/153

Robotics

325
382/109

Seismic or geological sample measuring

149
382/108

Surface texture or roughness measuring

299
382/103

Target tracking or detecting

3571
382/111

Textiles or clothing

134
382/104

Vehicle or traffic control (e.g., auto, bus, or train)

960
382/105

License plate

102
382/162

Color image processing

2911
382/167

Color correction

3456
382/166

Compression of color images

1017
382/163

Drop-out color in image (i.e., color to be removed)

253
382/164

Image segmentation using color

893
382/165

Pattern recognition or classification using color

1312
382/309

Editing, error checking, or correction (e.g., postrecognition processing)

322
382/310

Correcting alphanumeric recognition errors

121
382/311

Including operator interaction

217
382/168

Histogram processing

945
382/171

For segmenting an image

485
382/172

For setting a threshold

394
382/169

With a gray-level transformation (e.g., uniform density transformation)

462
382/170

With pattern recognition or classification

621
382/232

Image compression or coding

3941
382/239

Adaptive coding (i.e., changes based upon history, activity, busyness, etc.)

1511
382/242

Contour or chain coding (e.g., bezier)

250
382/237

Gray level to binary coding

425
382/233

Including details of decompression

1856
382/236

Interframe coding (e.g., difference or motion detection)

1723
382/244

Lossless compression

401
382/247

Arithmetic coding

212
382/246

Huffman or variable-length coding

636
382/245

Run-length coding

526
382/234

Parallel coding architecture

241
382/241

Polygonal approximation

137
382/238

Predictive coding

1163
382/240

Pyramid, hierarchy, or tree structure

1137
382/251

Quantization

1072
382/252

Error diffusion or dispersion

430
382/253

Vector quantization

302
382/243

Shape, icon, or feature-based compression

647
382/235

Substantial processing of image in compressed form

611
382/248

Transform coding

897
382/250

Discrete cosine or sine transform

927
382/249

Fractal

100
382/254

Image enhancement or restoration

2313
382/275

Artifact removal or suppression (e.g., distortion correction)

2361
382/266

Edge or contour enhancement

1420
382/268

Minimize discontinuities at boundaries of image blocks (i.e., reducing blocking effects or effects of wrap-around)

408
382/267

Minimize discontinuities in dot-matrix image data (i.e., connecting or merging the dots)

98
382/269

Minimize jaggedness in edges (e.g., anti-aliasing)

365
382/255

Focus measuring or adjusting (e.g., deblurring)

607
382/260

Image filter

1766
382/261

Adaptive filter

690
382/263

Highpass filter (i.e., for sharpening or enhancing details)

526
382/264

Lowpass filter (i.e., for blurring or smoothing)

795
382/262

Median filter

205
382/265

Recursive filter

148
382/274

Intensity, brightness, contrast, or shading correction

2794
382/256

Object boundary expansion or contraction

168
382/257

Dilation or erosion (e.g., opening or closing)

234
382/258

Line thinning or thickening

165
382/259

Skeletonizing

94
382/270

Variable threshold, gain, or slice level

586
382/272

Based on a local average, mean, or median

324
382/273

Based on peak levels

171
382/271

Based on the results of a count

101
382/173

Image segmentation

2275
382/176

Distinguishing text from other regions

891
382/180

Region labeling (e.g., page description language)

452
382/177

Segmenting individual characters or words

407
382/179

Segmenting hand-printed characters

142
382/178

Separating touching or overlapping characters

161
382/175

Separating document regions using preprinted guides or markings

316
382/174

Using projections (i.e., shadow or profile of characters)

233
382/312

Image sensing

743
382/316

Curve tracer

59
382/313

Hand-held

481
382/315

Sensing mechanism in platen

117
382/314

Sensing mechanism in stylus

203
382/320

Magnetic

88
382/318

Multiple scanning

255
382/319

Prescanning

101
382/321

Optical (e.g., ocr)

483
382/324

Full retina

70
382/323

Single line

92
382/322

Single spot

30
382/317

Sensor control (e.g., ocr sheet controls copier or fax)

322
382/276

Image transformation or preprocessing

1353
382/293

Changing the image coordinates

596
382/294

Registering or aligning multiple images to one another

1478
382/298

To change the scale or size of an image

1287
382/299

Raising or lowering the image resolution (e.g., subpixel accuracy)

1148
382/300

Interpolation

1137
382/301

Where the image is an alphanumeric character

57
382/295

To position or translate an image

384
382/296

To rotate an image

561
382/297

Rotation of image is limited to 90 degrees, 180 degrees, or 270 degrees

207
382/284

Combining image portions (e.g., portions of oversized documents)

1618
382/279

Convolution

230
382/278

Correlation

594
382/280

Fourier transform

436
382/307

General purpose image processor

217
382/308

Morphological operations (i.e., local neighborhood operations)

213
382/305

Image storage or retrieval

1849
382/306

Using identification indicia on document

400
382/285

Mapping 2-d image onto a 3-d surface

541
382/286

Measuring image properties (e.g., length, width, or area)

649
382/287

Detecting alignment marks

261
382/289

Determining amount an image is rotated or skewed

476
382/290

Where the image is a character, word, or text

137
382/288

Determining center of gravity or moment

189
382/291

Determining the position of an object

899
382/292

Where the object is a character, word, or text

116
382/302

Multilayered image transformations

246
382/304

Parallel processing

290
382/303

Pipeline processing

204
382/282

Selecting a portion of an image

917
382/283

Using a mask

306
382/277

Transforming each dimension separately

144
382/281

Walsh, hough, or hadamard transform

160
382/155

Learning systems

331
382/156

Neural networks

377
382/157

Network learning techniques (e.g., back propagation)

166
382/158

Network structures

121
382/159

Trainable classifiers or pattern recognizers (e.g., adaline, perceptron)

802
382/161

Alphanumerics

95
382/160

Generating a standard by statistical analysis

145
382/325

Miscellaneous

61
382/181

Pattern recognition

1646
382/224

Classification

1545
382/225

Cluster analysis

564
382/226

Sequential decision process (e.g., decision tree structure)

303
382/227

With a multilevel classifier

185
382/228

Statistical decision process

414
382/229

Context analysis or word recognition (e.g., character string)

468
382/231

Checking spelling for recognition

47
382/230

Trigrams or digrams

37
382/190

Feature extraction

2361
382/192

Feature counting

244
382/194

Counting individual pixels or pixel patterns

289
382/193

Counting intersections of scanning lines with pattern

60
382/206

Global features (e.g., measurements on image as a whole, such as area, projections, etc.)

189
382/195

Local or regional features

621
382/197

Directional codes and vectors (e.g., freeman chains, compasslike codes)

298
382/198

Extracted from alphanumeric characters

90
382/202

Linear stroke analysis (e.g., limited to straight lines)

227
382/205

Local neighborhood operations (e.g., 3x3 kernel, window, or matrix operator)

431
382/199

Pattern boundary and edge measurements

1944
382/200

Measurements made on alphanumeric characters

89
382/201

Point features (e.g., spatial coordinate descriptors)

271
382/203

Shape and form analysis

910
382/204

Topological properties (e.g., number of holes in a pattern, connectivity, etc.)

140
382/196

Slice codes

32
382/191

Multispectral features (e.g., frequency, phase)

295
382/207

Waveform analysis

112
382/208

With a tapped delay line

12
382/185

Ideographic characters (e.g., japanese or chinese)

217
382/182

Limited to specially coded, human-readable characters

300
382/183

Characters formed entirely of parallel bars (e.g., cmc-7)

86
382/184

With separate timing or alignment marks

42
382/187

On-line recognition of handwritten characters

855
382/189

With a display

279
382/188

Writing on ordinary surface (i.e., electronics are in pen)

232
382/209

Template matching (e.g., specific devices that determine the best match)

1323
382/216

At multiple image orientations or positions

194
382/217

Electronic template

321
382/218

Comparator

1124
382/220

Calculating weighted similarity or difference (e.g., don`t-care areas)

155
382/221

Counting difference pixels

61
382/222

Using an exclusive-or gate

35
382/219

Determining both similarities and differences

308
382/223

Resistor matrix

16
382/212

Nonholographic optical mask or transparency

57
382/213

Using both positive and negative masks or transparencies

39
382/214

With a display

36
382/210

Spatial filtering (e.g., holography)

206
382/211

With electrically controlled light modulator or filter

77
382/215

Using dynamic programming or elastic templates (e.g., warping)

118
382/186

Unconstrained handwriting (e.g., cursive)

455
 
 
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