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| Class 382 | IMAGE ANALYSIS |
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![[List of Pre Grant Publications for class 382 subclass 100]](../as.gif) | ![[List of Patents for class 382 subclass 100]](../ps.gif) | 100 | APPLICATIONS |
| | 101 |  Mail processing |
| | 103 | Target tracking or detecting |
| | 104 | Vehicle or traffic control (e.g., auto, bus, or train) |
| | 106 | Range or distance measuring |
| | 107 | Motion or velocity measuring |
| | 108 | Surface texture or roughness measuring |
| | 109 | Seismic or geological sample measuring |
| | 110 | Animal, plant, or food inspection |
| | 111 | Textiles or clothing |
| | 112 | Document or print quality inspection (e.g., newspaper, photographs, etc.) |
| | 113 | Reading maps, graphs, drawings, or schematics |
| | 114 | Reading aids for the visually impaired |
| | 115 | Personnel identification (e.g., biometrics) |
| | 116 |  Using a combination of features (e.g., signature and fingerprint) |
| | 117 | Using a characteristic of the eye |
| | 118 | Using a facial characteristic |
| | 119 | Using a signature |
| | 120 |  Sensing pressure together with speed or acceleration |
| | 121 | Sensing pressure only |
| | 122 | Sensing speed or acceleration only |
| | 123 | Sensing geometrical properties |
| | 124 | Using a fingerprint |
| | 128 | Biomedical applications |
| | 129 | DNA or RNA pattern reading |
| | 130 | Producing difference image (e.g., angiography) |
| | 131 | Tomography (e.g., CAT scanner) |
| | 132 | X-ray film analysis (e.g., radiography) |
| | 133 | Cell analysis, classification, or counting |
| | 135 | Reading paper currency |
| | 136 | Reading coins |
| | 137 | Reading bank checks (e.g., documents bearing E-13B type characters) |
| | 141 | Manufacturing or product inspection |
| | 142 | Bottle inspection |
| | 143 | Inspection of packaged consumer goods |
| | 144 | Mask inspection (e.g., semiconductor photomask) |
| | 145 | Inspection of semiconductor device or printed circuit board |
| | 146 | Measuring external leads |
| | 147 | Inspecting printed circuit boards |
| | 148 | At plural magnifications or resolutions |
| | 149 | Fault or defect detection |
| | 151 | Alignment, registration, or position determination |
| | 152 | Tool, workpiece, or mechanical component inspection |
| | 153 | Robotics |
| | 154 | 3-D or stereo imaging analysis |
| | 155 | LEARNING SYSTEMS |
| | 162 | COLOR IMAGE PROCESSING |
| | 163 | Drop-out color in image (i.e., color to be removed) |
| | 164 | Image segmentation using color |
| | 165 | Pattern recognition or classification using color |
| | 166 | Compression of color images |
| | 167 | Color correction |
| | 168 | HISTOGRAM PROCESSING |
| | 169 | With a gray-level transformation (e.g., uniform density transformation) |
| | 170 | With pattern recognition or classification |
| | 171 | For segmenting an image |
| | 172 | For setting a threshold |
| | 173 | IMAGE SEGMENTATION |
| | 174 | Using projections (i.e., shadow or profile of characters) |
| | 175 | Separating document regions using preprinted guides or markings |
| | 176 | Distinguishing text from other regions |
| | 177 | Segmenting individual characters or words |
| | 180 | Region labeling (e.g., page description language) |
| | 181 | PATTERN RECOGNITION |
| | 182 | Limited to specially coded, human-readable characters |
| | 183 | Characters formed entirely of parallel bars (e.g., CMC-7) |
| | 184 | With separate timing or alignment marks |
| | 185 | Ideographic characters (e.g., Japanese or Chinese) |
| | 186 | Unconstrained handwriting (e.g., cursive) |
| | 187 | On-line recognition of handwritten characters |
| | 190 | Feature extraction |
| | 191 | Multispectral features (e.g., frequency, phase) |
| | 192 | Feature counting |
| | 193 | Counting intersections of scanning lines with pattern |
| | 194 | Counting individual pixels or pixel patterns |
| | 195 | Local or regional features |
| | 196 | Slice codes |
| | 197 | Directional codes and vectors (e.g., Freeman chains, compasslike codes) |
| | 199 | Pattern boundary and edge measurements |
| | 201 | Point features (e.g., spatial coordinate descriptors) |
| | 202 | Linear stroke analysis (e.g., limited to straight lines) |
| | 203 | Shape and form analysis |
| | 205 | Local neighborhood operations (e.g., 3x3 kernel, window, or matrix operator) |
| | 206 | Global features (e.g., measurements on image as a whole, such as area, projections, etc.) |
| | 207 | Waveform analysis |
| | 209 | Template matching (e.g., specific devices that determine the best match) |
| | 210 | Spatial filtering (e.g., holography) |
| | 212 | Nonholographic optical mask or transparency |
| | 215 | Using dynamic programming or elastic templates (e.g., warping) |
| | 216 | At multiple image orientations or positions |
| | 217 | Electronic template |
| | 224 | Classification |
| | 225 | Cluster analysis |
| | 226 | Sequential decision process (e.g., decision tree structure) |
| | 228 | Statistical decision process |
| | 229 | Context analysis or word recognition (e.g., character string) |
| | 232 | IMAGE COMPRESSION OR CODING |
| | 233 | Including details of decompression |
| | 234 | Parallel coding architecture |
| | 235 | Substantial processing of image in compressed form |
| | 236 | Interframe coding (e.g., difference or motion detection) |
| | 237 | Gray level to binary coding |
| | 238 | Predictive coding |
| | 239 | Adaptive coding (i.e., changes based upon history, activity, busyness, etc.) |
| | 240 | Pyramid, hierarchy, or tree structure |
| | 241 | Polygonal approximation |
| | 242 | Contour or chain coding (e.g., Bezier) |
| | 243 | Shape, icon, or feature-based compression |
| | 244 | Lossless compression |
| | 248 | Transform coding |
| | 251 | Quantization |
| | 254 | IMAGE ENHANCEMENT OR RESTORATION |
| | 255 | Focus measuring or adjusting (e.g., deblurring) |
| | 256 | Object boundary expansion or contraction |
| | 260 | Image filter |
| | 261 | Adaptive filter |
| | 262 | Median filter |
| | 263 | Highpass filter (i.e., for sharpening or enhancing details) |
| | 264 | Lowpass filter (i.e., for blurring or smoothing) |
| | 265 | Recursive filter |
| | 266 | Edge or contour enhancement |
| | 267 | Minimize discontinuities in dot-matrix image data (i.e., connecting or merging the dots) |
| | 268 | Minimize discontinuities at boundaries of image blocks (i.e., reducing blocking effects or effects of wrap-around) |
| | 269 | Minimize jaggedness in edges (e.g., anti-aliasing) |
| | 270 | Variable threshold, gain, or slice level |
| | 271 | Based on the results of a count |
| | 272 | Based on a local average, mean, or median |
| | 273 | Based on peak levels |
| | 274 | Intensity, brightness, contrast, or shading correction |
| | 275 | Artifact removal or suppression (e.g., distortion correction) |
| | 276 | IMAGE TRANSFORMATION OR PREPROCESSING |
| | 277 | Transforming each dimension separately |
| | 278 | Correlation |
| | 279 | Convolution |
| | 280 | Fourier transform |
| | 281 | Walsh, Hough, or Hadamard transform |
| | 282 | Selecting a portion of an image |
| | 284 | Combining image portions (e.g., portions of oversized documents) |
| | 285 | Mapping 2-D image onto a 3-D surface |
| | 286 | Measuring image properties (e.g., length, width, or area) |
| | 287 | Detecting alignment marks |
| | 288 | Determining center of gravity or moment |
| | 289 | Determining amount an image is rotated or skewed |
| | 291 | Determining the position of an object |
| | 293 | Changing the image coordinates |
| | 294 | Registering or aligning multiple images to one another |
| | 295 | To position or translate an image |
| | 296 | To rotate an image |
| | 298 | To change the scale or size of an image |
| | 302 | Multilayered image transformations |
| | 305 | Image storage or retrieval |
| | 307 | General purpose image processor |
| | 309 | EDITING, ERROR CHECKING, OR CORRECTION (E.G., POSTRECOGNITION PROCESSING) |
| | 312 | IMAGE SENSING |
| | 313 | Hand-held |
| | 316 | Curve tracer |
| | 317 | Sensor control (e.g., OCR sheet controls copier or fax) |
| | 318 | Multiple scanning |
| | 320 | Magnetic |
| | 321 | Optical (e.g., OCR) |
| | 325 | MISCELLANEOUS |
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