add loading script

Standford-Cars.py

@@ -0,0 +1,312 @@
+# Copyright 2022 The HuggingFace Datasets Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Stanford cars dataset loading script."""
+
+
+import csv
+import json
+import os
+from pathlib import Path
+import datasets
+import scipy.io as sio
+
+_CITATION = """\
+@inproceedings{KrauseStarkDengFei-Fei_3DRR2013,
+  title = {3D Object Representations for Fine-Grained Categorization},
+  booktitle = {4th International IEEE Workshop on  3D Representation and Recognition (3dRR-13)},
+  year = {2013},
+  address = {Sydney, Australia},
+  author = {Jonathan Krause and Michael Stark and Jia Deng and Li Fei-Fei}
+}"""
+
+_DESCRIPTION = (
+    "The Cars dataset contains 16,185 images of 196 classes of cars. The data is split into 8,144 "
+    "training images and 8,041 testing images, where each class has been split roughly in a 50-50 "
+    "split. Classes are typically at the level of Make, Model, Year, e.g. 2012 Tesla Model S or "
+    "2012 BMW M3 coupe."
+)
+
+_HOMEPAGE = "http://ai.stanford.edu/~jkrause/cars/car_dataset.html"
+
+_LICENSE = ""
+
+_URLS = {
+    "car_devkit": "https://ai.stanford.edu/~jkrause/cars/car_devkit.tgz",
+    "cars_train": "https://ai.stanford.edu/~jkrause/car196/cars_train.tgz",
+    "cars_test": "https://ai.stanford.edu/~jkrause/car196/cars_test.tgz",
+    "cars_test_annos_withlabels": "https://ai.stanford.edu/~jkrause/car196/cars_test_annos_withlabels.mat",
+}
+
+
+_NAMES = [
+    'AM General Hummer SUV 2000',
+    'Acura RL Sedan 2012',
+    'Acura TL Sedan 2012',
+    'Acura TL Type-S 2008',
+    'Acura TSX Sedan 2012',
+    'Acura Integra Type R 2001',
+    'Acura ZDX Hatchback 2012',
+    'Aston Martin V8 Vantage Convertible 2012',
+    'Aston Martin V8 Vantage Coupe 2012',
+    'Aston Martin Virage Convertible 2012',
+    'Aston Martin Virage Coupe 2012',
+    'Audi RS 4 Convertible 2008',
+    'Audi A5 Coupe 2012',
+    'Audi TTS Coupe 2012',
+    'Audi R8 Coupe 2012',
+    'Audi V8 Sedan 1994',
+    'Audi 100 Sedan 1994',
+    'Audi 100 Wagon 1994',
+    'Audi TT Hatchback 2011',
+    'Audi S6 Sedan 2011',
+    'Audi S5 Convertible 2012',
+    'Audi S5 Coupe 2012',
+    'Audi S4 Sedan 2012',
+    'Audi S4 Sedan 2007',
+    'Audi TT RS Coupe 2012',
+    'BMW ActiveHybrid 5 Sedan 2012',
+    'BMW 1 Series Convertible 2012',
+    'BMW 1 Series Coupe 2012',
+    'BMW 3 Series Sedan 2012',
+    'BMW 3 Series Wagon 2012',
+    'BMW 6 Series Convertible 2007',
+    'BMW X5 SUV 2007',
+    'BMW X6 SUV 2012',
+    'BMW M3 Coupe 2012',
+    'BMW M5 Sedan 2010',
+    'BMW M6 Convertible 2010',
+    'BMW X3 SUV 2012',
+    'BMW Z4 Convertible 2012',
+    'Bentley Continental Supersports Conv. Convertible 2012',
+    'Bentley Arnage Sedan 2009',
+    'Bentley Mulsanne Sedan 2011',
+    'Bentley Continental GT Coupe 2012',
+    'Bentley Continental GT Coupe 2007',
+    'Bentley Continental Flying Spur Sedan 2007',
+    'Bugatti Veyron 16.4 Convertible 2009',
+    'Bugatti Veyron 16.4 Coupe 2009',
+    'Buick Regal GS 2012',
+    'Buick Rainier SUV 2007',
+    'Buick Verano Sedan 2012',
+    'Buick Enclave SUV 2012',
+    'Cadillac CTS-V Sedan 2012',
+    'Cadillac SRX SUV 2012',
+    'Cadillac Escalade EXT Crew Cab 2007',
+    'Chevrolet Silverado 1500 Hybrid Crew Cab 2012',
+    'Chevrolet Corvette Convertible 2012',
+    'Chevrolet Corvette ZR1 2012',
+    'Chevrolet Corvette Ron Fellows Edition Z06 2007',
+    'Chevrolet Traverse SUV 2012',
+    'Chevrolet Camaro Convertible 2012',
+    'Chevrolet HHR SS 2010',
+    'Chevrolet Impala Sedan 2007',
+    'Chevrolet Tahoe Hybrid SUV 2012',
+    'Chevrolet Sonic Sedan 2012',
+    'Chevrolet Express Cargo Van 2007',
+    'Chevrolet Avalanche Crew Cab 2012',
+    'Chevrolet Cobalt SS 2010',
+    'Chevrolet Malibu Hybrid Sedan 2010',
+    'Chevrolet TrailBlazer SS 2009',
+    'Chevrolet Silverado 2500HD Regular Cab 2012',
+    'Chevrolet Silverado 1500 Classic Extended Cab 2007',
+    'Chevrolet Express Van 2007',
+    'Chevrolet Monte Carlo Coupe 2007',
+    'Chevrolet Malibu Sedan 2007',
+    'Chevrolet Silverado 1500 Extended Cab 2012',
+    'Chevrolet Silverado 1500 Regular Cab 2012',
+    'Chrysler Aspen SUV 2009',
+    'Chrysler Sebring Convertible 2010',
+    'Chrysler Town and Country Minivan 2012',
+    'Chrysler 300 SRT-8 2010',
+    'Chrysler Crossfire Convertible 2008',
+    'Chrysler PT Cruiser Convertible 2008',
+    'Daewoo Nubira Wagon 2002',
+    'Dodge Caliber Wagon 2012',
+    'Dodge Caliber Wagon 2007',
+    'Dodge Caravan Minivan 1997',
+    'Dodge Ram Pickup 3500 Crew Cab 2010',
+    'Dodge Ram Pickup 3500 Quad Cab 2009',
+    'Dodge Sprinter Cargo Van 2009',
+    'Dodge Journey SUV 2012',
+    'Dodge Dakota Crew Cab 2010',
+    'Dodge Dakota Club Cab 2007',
+    'Dodge Magnum Wagon 2008',
+    'Dodge Challenger SRT8 2011',
+    'Dodge Durango SUV 2012',
+    'Dodge Durango SUV 2007',
+    'Dodge Charger Sedan 2012',
+    'Dodge Charger SRT-8 2009',
+    'Eagle Talon Hatchback 1998',
+    'FIAT 500 Abarth 2012',
+    'FIAT 500 Convertible 2012',
+    'Ferrari FF Coupe 2012',
+    'Ferrari California Convertible 2012',
+    'Ferrari 458 Italia Convertible 2012',
+    'Ferrari 458 Italia Coupe 2012',
+    'Fisker Karma Sedan 2012',
+    'Ford F-450 Super Duty Crew Cab 2012',
+    'Ford Mustang Convertible 2007',
+    'Ford Freestar Minivan 2007',
+    'Ford Expedition EL SUV 2009',
+    'Ford Edge SUV 2012',
+    'Ford Ranger SuperCab 2011',
+    'Ford GT Coupe 2006',
+    'Ford F-150 Regular Cab 2012',
+    'Ford F-150 Regular Cab 2007',
+    'Ford Focus Sedan 2007',
+    'Ford E-Series Wagon Van 2012',
+    'Ford Fiesta Sedan 2012',
+    'GMC Terrain SUV 2012',
+    'GMC Savana Van 2012',
+    'GMC Yukon Hybrid SUV 2012',
+    'GMC Acadia SUV 2012',
+    'GMC Canyon Extended Cab 2012',
+    'Geo Metro Convertible 1993',
+    'HUMMER H3T Crew Cab 2010',
+    'HUMMER H2 SUT Crew Cab 2009',
+    'Honda Odyssey Minivan 2012',
+    'Honda Odyssey Minivan 2007',
+    'Honda Accord Coupe 2012',
+    'Honda Accord Sedan 2012',
+    'Hyundai Veloster Hatchback 2012',
+    'Hyundai Santa Fe SUV 2012',
+    'Hyundai Tucson SUV 2012',
+    'Hyundai Veracruz SUV 2012',
+    'Hyundai Sonata Hybrid Sedan 2012',
+    'Hyundai Elantra Sedan 2007',
+    'Hyundai Accent Sedan 2012',
+    'Hyundai Genesis Sedan 2012',
+    'Hyundai Sonata Sedan 2012',
+    'Hyundai Elantra Touring Hatchback 2012',
+    'Hyundai Azera Sedan 2012',
+    'Infiniti G Coupe IPL 2012',
+    'Infiniti QX56 SUV 2011',
+    'Isuzu Ascender SUV 2008',
+    'Jaguar XK XKR 2012',
+    'Jeep Patriot SUV 2012',
+    'Jeep Wrangler SUV 2012',
+    'Jeep Liberty SUV 2012',
+    'Jeep Grand Cherokee SUV 2012',
+    'Jeep Compass SUV 2012',
+    'Lamborghini Reventon Coupe 2008',
+    'Lamborghini Aventador Coupe 2012',
+    'Lamborghini Gallardo LP 570-4 Superleggera 2012',
+    'Lamborghini Diablo Coupe 2001',
+    'Land Rover Range Rover SUV 2012',
+    'Land Rover LR2 SUV 2012',
+    'Lincoln Town Car Sedan 2011',
+    'MINI Cooper Roadster Convertible 2012',
+    'Maybach Landaulet Convertible 2012',
+    'Mazda Tribute SUV 2011',
+    'McLaren MP4-12C Coupe 2012',
+    'Mercedes-Benz 300-Class Convertible 1993',
+    'Mercedes-Benz C-Class Sedan 2012',
+    'Mercedes-Benz SL-Class Coupe 2009',
+    'Mercedes-Benz E-Class Sedan 2012',
+    'Mercedes-Benz S-Class Sedan 2012',
+    'Mercedes-Benz Sprinter Van 2012',
+    'Mitsubishi Lancer Sedan 2012',
+    'Nissan Leaf Hatchback 2012',
+    'Nissan NV Passenger Van 2012',
+    'Nissan Juke Hatchback 2012',
+    'Nissan 240SX Coupe 1998',
+    'Plymouth Neon Coupe 1999',
+    'Porsche Panamera Sedan 2012',
+    'Ram C/V Cargo Van Minivan 2012',
+    'Rolls-Royce Phantom Drophead Coupe Convertible 2012',
+    'Rolls-Royce Ghost Sedan 2012',
+    'Rolls-Royce Phantom Sedan 2012',
+    'Scion xD Hatchback 2012',
+    'Spyker C8 Convertible 2009',
+    'Spyker C8 Coupe 2009',
+    'Suzuki Aerio Sedan 2007',
+    'Suzuki Kizashi Sedan 2012',
+    'Suzuki SX4 Hatchback 2012',
+    'Suzuki SX4 Sedan 2012',
+    'Tesla Model S Sedan 2012',
+    'Toyota Sequoia SUV 2012',
+    'Toyota Camry Sedan 2012',
+    'Toyota Corolla Sedan 2012',
+    'Toyota 4Runner SUV 2012',
+    'Volkswagen Golf Hatchback 2012',
+    'Volkswagen Golf Hatchback 1991',
+    'Volkswagen Beetle Hatchback 2012',
+    'Volvo C30 Hatchback 2012',
+    'Volvo 240 Sedan 1993',
+    'Volvo XC90 SUV 2007',
+    'smart fortwo Convertible 2012',
+]
+
+# TODO: Name of the dataset usually match the script name with CamelCase instead of snake_case
+class NewDataset(datasets.GeneratorBasedBuilder):
+    """TODO: Short description of my dataset."""
+
+    VERSION = datasets.Version("1.0.0")
+
+    def _info(self):
+        features = datasets.Features(
+            {
+                "image": datasets.Image(),
+                "label": datasets.features.ClassLabel(names=_NAMES),
+                'bbox': datasets.features.Array2D(
+                            shape=(1, 4), dtype="int64"
+                        ),
+            }
+        )
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=features, 
+            homepage=_HOMEPAGE,
+            license=_LICENSE,
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        data_dir = dl_manager.download_and_extract(_URLS)
+
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    "annotations_mat_path": Path(data_dir["car_devkit"]) / "devkit" / "cars_train_annos.mat" ,
+                    "images_base_path": Path(data_dir["cars_train"]) / "cars_train" ,
+                    "split": "train",
+                },
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={
+                    "annotations_mat_path": Path(data_dir["cars_test_annos_withlabels"]) ,
+                    "images_base_path": Path(data_dir["cars_test"]) / "cars_test" ,
+                    "split": "test",
+                },
+            ),
+        ]
+
+    def _generate_examples(self, annotations_mat_path, images_base_path, split):
+        # TODO: This method handles input defined in _split_generators to yield (key, example) tuples from the dataset.
+        # The `key` is for legacy reasons (tfds) and is not important in itself, but must be unique for each example.
+        for annotation in sio.loadmat(annotations_mat_path)["annotations"][0]:
+            image_name = str(annotation[5].item())
+            image_path = images_base_path / image_name
+            label = _NAMES[annotation[4].item() - 1]
+            ymin = annotation[1].item()
+            xmin = annotation[0].item()
+            ymax = annotation[3].item()
+            xmax = annotation[2].item()
+            yield f"{label}/{image_name}", {
+                "image": str(image_path),
+                "label": label,
+                "bbox": [[ymin, ymax, xmin, xmax]],
+            }