EP4222039A1 - Optische schienenwegerkennung - Google Patents
Optische schienenwegerkennungInfo
- Publication number
- EP4222039A1 EP4222039A1 EP21769400.9A EP21769400A EP4222039A1 EP 4222039 A1 EP4222039 A1 EP 4222039A1 EP 21769400 A EP21769400 A EP 21769400A EP 4222039 A1 EP4222039 A1 EP 4222039A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- images
- railway
- objects
- detection
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/041—Obstacle detection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/16—Image acquisition using multiple overlapping images; Image stitching
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
- G06V10/774—Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20081—Training; Learning
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20084—Artificial neural networks [ANN]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30248—Vehicle exterior or interior
- G06T2207/30252—Vehicle exterior; Vicinity of vehicle
- G06T2207/30261—Obstacle
Definitions
- the invention relates to a method for creating a training data record for optical rail route detection with integrated obstacle detection.
- the invention relates to a method for training an optical rail route detection with integrated obstacle detection.
- the invention relates to a method for identifying a rail route with integrated obstacle detection by a rail vehicle and a computing unit for carrying out the method for identifying a rail route with integrated obstacle detection.
- An optical track detection with integrated obstacle detection can be done by means of artificial neural networks, for which purpose a large number of digital images of different track sections with obstacles located on the track sections are required in order to successfully train the neural network.
- the occurrence of obstacles on railways is a comparatively rare event, of which there are consequently only a small number of usable images.
- the invention is based on the object of providing a method for creating a training data set for optical rail path detection with integrated obstacle detection, which circumvents these restrictions.
- a further object of the invention is to provide a training method for optical rail path detection with integrated obstacle detection, a method for optical rail path detection with integrated obstacle detection and a computing unit for carrying out the method for optical rail path detection with integrated obstacle detection, each based on the training data set .
- This object is achieved by a method for creating a training data record for optical rail track identification and a method for training optical rail track identification, a method for determining the position of a rail vehicle and a computing unit for carrying out the method for determining position.
- Advantageous configurations are specified in the dependent claims.
- a method for creating a training data set for an optical railway path detection with integrated obstacle detection comprising the following steps:
- each first recorded image comprising a representation of a rail route
- each second image recording comprising a representation of at least one object
- an improved method for creating a training data set for an optical railway path detection with integrated obstacle detection can be provided, the training data set being based on images that each include at least one railway path and at least one object.
- first recorded images of rail routes and second recorded images of objects are provided and combined with one another.
- Third images are then generated from the combined first and second images of the railways and the objects, with each third image at least one railway and at least one Object includes .
- a plurality of the third image recordings thus forms the training set for the optical rail route detection with integrated obstacle detection.
- the method according to the invention thus allows a cost-effective generation of a training data set with railways and objects, for which no time-consuming and cost-intensive creation of images of real situations in which objects are arranged on railways have to be carried out.
- a rail route is a rail route for rail vehicles and comprises at least two parallel rails.
- the first image data includes images taken by an RGB camera of real rail routes.
- an improved training data record for an optical rail path detection with integrated obstacle detection can be provided, which is based on images from RGB cameras of real rail paths.
- An optical railway path detection with integrated obstacle detection that is trained on such a training data set can thus preferably be operated in a rail vehicle that is equipped with RGB cameras for object detection.
- the simplest and most precise possible optical rail route detection with integrated obstacle detection can be provided.
- Such a trained optical track detection with integrated obstacle detection can be operated exclusively on RGB images and does not require any further environment sensor data for track and obstacle detection.
- the first image data includes images from a LiDAR sensor and/or a stereo camera of real rail routes.
- a distance determination can be carried out by the correspondingly trained optical railway path detection with integrated obstacle detection.
- Such a trained railway track detection with integrated obstacle detection can thus be operated on images from RGB cameras, LiDAR sensors and/or stereo cameras.
- the second image data includes images from an RGB camera and/or a LiDAR sensor and/or a stereo camera of real objects and/or virtually generated images of real and/or virtual objects.
- the technical advantage can be achieved that a wide range of uses of the method for creating a training data set for optical rail route detection with integrated obstacle detection can be provided.
- the second recorded images can be recorded images from RGB cameras, from LiDAR sensors or from stereo cameras.
- Such a trained optical track detection with integrated obstacle detection can thus be used based on RGB image data, LiDAR image data or stereo camera image data.
- the objects can be generated virtually. In this way it can be achieved that the objects can be adapted accordingly to the later training method.
- any objects can be generated for which there are no image recordings of real objects.
- combining the first and second image data includes:
- the technical advantage can be achieved that improved training of the optical rail path detection with integrated obstacle detection and in particular improved ob ect detection or Obstacle detection can be achieved.
- the randomized arrangement of the objects of the second image recordings in the first image recordings makes it possible to achieve an improved training performance of the optical rail route recognition to be trained with integrated obstacle recognition.
- a method for training an optical railway path detection with integrated obstacle detection comprising:
- the technical advantage of improved training of rail detection with integrated obstacle detection can be provided, which includes the technical advantages of the method according to the invention for creating a training data record for optical rail path detection with integrated obstacle detection.
- recognizing the railway tracks and the obstacles includes a segmentation of railway tracks and objects arranged on the railway tracks in the third th image recordings, wherein the segmentation of railway tracks includes a contrasting between railway tracks and image background, and wherein the segmentation of the obj ects includes a contrasting between objects arranged on the railway tracks and image background.
- Each pixel of the third image recordings can be assigned either to the image background, a railway track or an object via the segmentation. This allows a precise railway or Object recognition can be achieved.
- the segmentation includes a semantic segmentation and/or a semantic instance segmentation of the rail routes and objects.
- the technical advantage can be achieved that precise detection of rail routes and objects is made possible.
- a differentiation between railway tracks and objects arranged on the railway tracks can be achieved.
- a differentiation between different objects can be achieved via the semantic instance segmentation.
- the neural network is designed as a convolutional neural network, in particular as an encoder-decoder convolutional neural network, with the neural network being trained to recognize railway tracks and obstacles.
- the technical advantage can be achieved that a precise and reliable optical railway path detection with integrated obstacle detection can be provided.
- a convolutional neural network in particular designed as an encoder-decoder convolutional neural network, simultaneous detection of rail paths and obstacles can be provided. Due to the fact that only a neural network is used, the simplest possible optical rail route detection with integrated obstacle detection can be provided.
- the optical railway path detection with integrated obstacle detection comprises two neural networks, the two neural networks each being designed as a convolutional neural network, and one neural network being trained to detect railway paths, and the respective other neural network is trained to recognize obstacles.
- the technical advantage can be achieved that a simplified training process of the optical railway path detection with integrated obstacle detection is made possible.
- the training process can be simplified by providing two neural networks, one of which is trained in each case for detecting a railway track and one for detecting an obstacle.
- the optical rail path detection with integrated obstacle detection includes a distance module, with the method also including:
- a method for rail route detection with integrated obstacle detection is provided by a rail vehicle with the following steps:
- the technical advantage of improved rail detection with integrated obstacle detection includes the technical advantages of the inventive method for creating a training data set for optical rail path detection with integrated obstacle detection and the technical advantages of the inventive method for training optical rail path detection with integrated obstacle detection .
- a computing unit which includes at least one artificial neural network and is set up to be trained according to the method for training according to the preceding embodiments and to execute the method of the preceding embodiment after the training has been carried out.
- FIG. 1 shows a flow chart of a method for creating a
- Training data set for an optical track detection with integrated obstacle detection according to one embodiment
- FIG. 2 shows a graphic representation of the method for creating a training data set for optical rail path detection with integrated obstacle detection according to one embodiment
- FIG. 3 shows a flow chart of a method for training an optical railway path detection with integrated obstacle detection according to one embodiment
- FIG. 4 shows a graphic representation of the method for training an optical railway path detection with integrated obstacle detection according to one embodiment
- FIG. 5 shows a flow chart of a method for optical railway path detection with integrated obstacle detection according to one embodiment
- FIG. 6 shows a rail vehicle with a computing unit.
- FIG. 1 shows a flow chart of a method 100 for creating a training data set for an optical rail route detection with integrated obstacle detection according to one embodiment.
- first images 401 of rail routes 403 are provided.
- the first recorded images 401 can be real images of an RGB camera, for example, which were recorded from real railway tracks 403 . Such a real image of a railway 403 is shown in FIG.
- the first images 401 of tracks 403 include images from LiDAR sensors or stereo cameras.
- corresponding recordings of real rail routes 403 can be created.
- already existing data sets of rail routes 403 can be used for this purpose.
- second image recordings 407 of objects 409 are provided.
- the second recorded images 407 can include RGB recorded images of real objects 409 , LiDAR sensor recordings of real objects 409 or stereo camera recordings of real objects 409 .
- the recordings can be generated explicitly to create the training data set. Alternatively, already existing datasets of recordings of railway tracks can be used. Alternatively or additionally, the second image recordings 407 can include virtually generated recordings of artificially generated virtual objects 409 .
- the obj ects 409 can be any objects or represent people or animals. Alternatively, objects 409 can only be geometric shapes or represent three-dimensional geometric bodies.
- step 105 the first and second recorded images 401 , 407 are combined.
- the combining of the first and second recorded images 401 , 407 includes a method step 109 in which the objects 409 of the second recorded images 407 are arranged randomly in the first recorded images 401 .
- the randomized arrangement of the objects 409 can in this case include a randomized positioning of the objects 409 in the first recorded images 401 by the objects 409 of the second recorded images 407 being arranged at any positions within the first recorded images 401 .
- the randomized arrangement can also include a randomized orientation of the objects 409, in which the objects 409 are arranged in any orientation relative to the railway tracks 403 of the first images 401 are arranged.
- the randomized arrangement can include the objects 409 of any size being integrated into the first recorded images 401 .
- third images 411 are generated based on the combined first and second images 401 , 407 , each third image 411 comprising at least one railway 403 and at least one object 409 .
- the third images 411 can in this case include a plurality of railway tracks 403 and a plurality of objects 409 .
- the objects 409 can be arranged in any size, position and orientation relative to the railway tracks 403 in the third images 411 .
- FIG. 2 shows a graphic representation of the method 100 for creating a training data set for an optical railway path detection with integrated obstacle detection according to one embodiment.
- FIG. 2 shows a graphic representation of the creation of the training data set according to the method 100 in the embodiment in FIG.
- first images 401 of rail routes 403 are provided. These can be real recordings, for example from RGB cameras, of real railway tracks 403 .
- second image recordings 407 of objects 409 are provided, which can include both real objects 409 and synthetically generated virtual objects.
- the first and second recorded images 401 , 407 are then combined and third recorded images 411 based on the first and second recorded images 401 , 407 are generated accordingly.
- the objects 409 of the second recorded images 407 are arranged in a randomized manner in the first recorded images 401 .
- the various objects 409 are arranged in any desired position, orientation and size relative to the tracks 403 of the third images 411.
- a realistic arrangement of the objects 409 with a realistic positioning, orientation or Size in relation to the real railway tracks 403 is not absolutely necessary in this case.
- a plurality of third image recordings 411 generated in this way finally forms the training data record for the rail route recognition to be trained with integrated object recognition.
- FIG. 3 shows a flow chart of a method 200 for training an optical rail path detection with integrated obstacle detection according to one embodiment.
- the method 200 for training the optical railway path detection with integrated obstacle detection in the embodiment in FIG. 3 is described with reference to the description of FIG.
- third image recordings 411 with railway tracks 403 and objects 409 are read in by at least one neural network 501 .
- the third recorded images 411 were generated using the method 100 for creating a training data set for an optical railway path detection with integrated obstacle detection according to the method steps described above.
- a subsequent method step 203 rail routes 403 and/or obstacles 413 are recognized in the third image recordings 411 by the at least one neural network.
- the neural network 501 only recognizes objects 409 that are positioned on the railway tracks 403 in the third image recordings 411 as obstacles 413 .
- the neural network 501 can be trained to recognize objects 409 within the third image recordings 411 and to distinguish between objects 409 that are arranged on corresponding railway tracks 403 and objects 409 that are not arranged on railway tracks 403 .
- the neural network 501 can be designed as a convolutional neural network and in particular as an encoder-decoder convolutional neural network.
- the neural network 501 can be designed in particular to include both railway tracks 403 and objects 409 or to recognize obstacles 413 .
- the optical rail path detection with integrated obstacle detection can include two neural networks 501, which are each designed as convolutional neural networks, for example.
- one neural network 501 can be set up in each case to recognize rail routes 403, while the other neural network in each case can be set up to recognize objects 409 or to recognize obstacles 413 .
- the optical railway path detection with integrated obstacle detection can also include a distance module that is set up to determine a distance of the objects 409 in the third image recordings 411 from a predetermined reference point.
- the predetermined reference point can be set here, for example, by the positioning of the camera, which was used to record the first images 401, relative to the railway tracks 403 or Obj ects 409 be given.
- the distance module recognizes distances of the objects 409 in the third image recordings 411 from the reference point P, for example the RGB camera.
- the reference point P for example the RGB camera.
- Obstacles 413 in method step 203 are learned by the neural network 501 recognition parameters and thus a training process of the neural network 501 is carried out.
- corresponding distance determination parameters are learned, as a result of which the distance module is trained accordingly.
- the training process described can be carried out according to supervised learning or unsupervised learning, for example.
- the neural network 501 or the plurality of neural networks 501 are trained according to a backpropagation process that is customary in the prior art.
- the detection of the railway tracks 403 and/or the obstacles 413 or of the objects 409 in method step 203 a segmentation of rail routes 403 and objects 409 or Include obstacles 413 in the third images 411 .
- the segmentation can, for example, be a semantic segmentation or be a semantic instance segmentation.
- it is determined for each pixel of the third recorded image 411 whether the respective pixel belongs to a railroad track 403 , to an obstacle 413 or to the image background of the third recorded image 411 .
- the segmentation carried out in this way can thus be used to achieve a contrast between railroad tracks 403 , obstacles 413 and the image background of the third image recording 411 .
- the segmentation of the third recorded images 411 can be carried out according to segmentation processes known from the prior art.
- FIG. 4 shows a graphic representation of the method 200 for training an optical railway path detection with integrated obstacle detection according to one embodiment.
- the training process according to the method 200 in the embodiment shown in FIG. 3 is illustrated in a graphical representation.
- third image recordings 411 with railway tracks 403 and objects 409 are read in by the neural networks 501 .
- recognition parameters are learned by the neural networks 501 for recognizing the railway tracks 403 and the objects 409 arranged on the railway tracks 403 by the neural networks 501 .
- the neural networks 501 segment the tracks 403, obstacles 413 or of the image background of the third image recordings 411 is carried out.
- FIG. 4 also shows a segmented image recording 412 in which two segmented railway tracks 404 and three segmented obstacles 414 each and a segmented image background 416 of the third image recording 411 shown in FIG. 4 are shown.
- the segmentation shown here enables a distinction between segmented railroad 404 and segmented obstacles 414 , so that a clear distinction between railroad and objects 409 arranged on the railroad 403 and hereby a clear recognition of obstacles 413 given by objects 409 arranged on the railroad 403 the correspondingly trained neural networks 501 is made possible.
- the objects 409 in the third image recording 411 which are not arranged on the railway 403 are not recognized as obstacles 413.
- a detection of an arrangement of objects 409 on railways 403 can be determined here, for example, by overlapping the outline of an object 409 with the outline of a railway 403 .
- perspective criteria can be taken into account through which both for example a vertical distance of the object 409 to the railroad track 403 can be determined.
- objects 409 such as vegetation covering the railway 403 or birds flying over the railway 403, which are arranged on the railway 403 solely because of the perspective representation in the image recording, can be identified as non-hazardous objects and thus as obstacles 413 be excluded. This enables a more precise classification of obstacles 413 and the avoidance of false positive recognition results in which objects 409 are classified as obstacles 413 but are not arranged on the railway 403 and thus do not actually represent an obstacle to the rail vehicle.
- FIG. 5 shows a flow chart of a method 300 for optical rail path detection with integrated obstacle detection according to one embodiment.
- Obstacles 413 by a rail vehicle 400 are first read in a method step 301 images of a camera 405 of the rail vehicle 400 by the optical track detection with integrated obstacle detection and in particular the neural network 501 of the optical track detection with integrated obstacle detection.
- the camera 405 can be an RGB camera, for example, which is arranged in a front area 406 of the rail vehicle 400 and can see an area in front of the rail vehicle 400 in the direction of travel, in which at least the railway 403 , on which the rail vehicle 400 is moving, can be seen is .
- optical track detection with integrated obstacle detection and in particular the corresponding neural network 501 were trained according to the method 200, a corresponding training data record, which was generated according to the method 100 , was used for this purpose.
- an optical rail route detection with integrated obstacle detection is carried out.
- a method step 305 the railway 403 on which the rail vehicle 400 is moving is recognized and, if necessary, an object 409 arranged on the railway 403 is identified as an obstacle 413 .
- the recognition of the railway line 403 or . of the obstacle 413 by the optical railway path detection with integrated obstacle detection and in particular by the correspondingly trained neural network 501 can be carried out according to the explanations for the method 200 by a corresponding segmentation of the image recordings.
- a corresponding warning signal can be emitted or a braking process of the rail vehicle 400 can be initiated.
- FIG. 6 shows a rail vehicle with a computing unit.
- FIG. 6 shows a rail vehicle 400 which is arranged on a rail track 403 .
- the rail vehicle 400 includes a computing unit 500 on which a neural network 501 is set up, which is trained in accordance with the method 200 for rail route detection and obstacle detection.
- the processing unit 500 can be designed as a software module or as a hardware component with a corresponding software module.
- the rail vehicle 400 comprises a camera 405 which can see an area which can see at least the rail track 403 on which the rail vehicle 400 is being moved.
- the camera 405 can be an RGB camera, for example, and is connected to the processing unit 500 in terms of data technology.
- the neural network 501 can use the method 300 to calculate a railway or Obstacle detection can be carried out.
- FIG. 6 also shows an object 409 which is arranged on the track 403 adjacent to the front area 406 of the rail vehicle 400 and can be viewed by the camera 405 .
- the rail vehicle 400 can also have a LiDAR sensor or include an additional stereo camera, which can also be arranged in the front area 406 and are not shown in FIG. Based on the data from the LiDAR sensor or The stereo camera can be used to determine the distance between the object 409 and the rail vehicle 400 using the optical rail path detection with integrated obstacle detection.
- a distance module (not shown in FIG. 6) for the optical railway path detection with integrated obstacle detection can also be set up on the computing unit 500, which is designed to carry out a distance determination of the object 409 relative to the rail vehicle 400 based on the images recorded by the camera 405.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Mechanical Engineering (AREA)
- Databases & Information Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Image Analysis (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020215754.5A DE102020215754A1 (de) | 2020-12-11 | 2020-12-11 | Optische Schienenwegerkennung |
| PCT/EP2021/073593 WO2022122196A1 (de) | 2020-12-11 | 2021-08-26 | Optische schienenwegerkennung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4222039A1 true EP4222039A1 (de) | 2023-08-09 |
Family
ID=77726465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21769400.9A Pending EP4222039A1 (de) | 2020-12-11 | 2021-08-26 | Optische schienenwegerkennung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240034372A1 (de) |
| EP (1) | EP4222039A1 (de) |
| DE (1) | DE102020215754A1 (de) |
| WO (1) | WO2022122196A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020005343A1 (de) * | 2020-08-31 | 2022-03-03 | Daimler Ag | Verfahren zur Objektverfolgung von mindestens einem Objekt, Steuereinrichtung zur Durchführung eines solchen Verfahrens, Objektverfolgungsvorrichtung mit einer solchen Steuereinrichtung und Kraftfahrzeug mit einer solchen Objektverfolgungsvorrichtung |
| DE102021206475A1 (de) | 2021-06-23 | 2022-12-29 | Siemens Mobility GmbH | Hindernisdetektion im Gleisbereich auf Basis von Tiefendaten |
| US11574462B1 (en) * | 2022-06-30 | 2023-02-07 | Plus AI, Inc. | Data augmentation for detour path configuring |
| US11702011B1 (en) | 2022-06-30 | 2023-07-18 | Plusai, Inc. | Data augmentation for driver monitoring |
| EP4509382A1 (de) * | 2023-08-16 | 2025-02-19 | Siemens Aktiengesellschaft | Verfahren zum bestimmen einer störung einer bahninfrastruktur mittels einer erfassungsvorrichtung eines zuges, computerprogrammprodukt, computerlesbares speichermedium sowie erfassungsvorrichtung |
| DE102023210109A1 (de) | 2023-10-16 | 2025-04-17 | Siemens Mobility GmbH | Hindernisdetektion im Gleisbereich durch Kombination von Streckenverlaufsdaten und Bilddaten |
| DE102024105146A1 (de) | 2024-02-23 | 2025-08-28 | Deutsche Bahn Aktiengesellschaft | Computer-implementiertes Verfahren zur Hindernis- oder Landmarkenerkennung für ein Schienenfahrzeug |
| DE102024105145A1 (de) | 2024-02-23 | 2025-08-28 | Deutsche Bahn Aktiengesellschaft | Computer-implementiertes Verfahren zur Hindernis- oder Landmarkenerkennung für ein Schienenfahrzeug |
| CN119399723B (zh) * | 2024-11-18 | 2025-10-31 | 南京邮电大学 | 基于动态线锚的轨道线检测方法及系统 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL117279A (en) | 1996-02-27 | 2000-01-31 | Israel Aircraft Ind Ltd | System for detecting obstacles on a railway track |
| CN109070915A (zh) * | 2016-01-31 | 2018-12-21 | 铁路视像有限公司 | 用于检测列车的电导体系统中的缺陷的系统和方法 |
| WO2017154305A1 (ja) * | 2016-03-10 | 2017-09-14 | 株式会社リコー | 画像処理装置、機器制御システム、撮像装置、画像処理方法、及び、プログラム |
| US20190039633A1 (en) | 2017-08-02 | 2019-02-07 | Panton, Inc. | Railroad track anomaly detection |
| JP6843274B2 (ja) * | 2018-02-08 | 2021-03-17 | 三菱電機株式会社 | 障害物検出装置および障害物検出方法 |
| CN112351928B (zh) * | 2018-07-10 | 2023-11-10 | 铁路视像有限公司 | 基于轨道分段的铁路障碍物检测的方法与系统 |
| DE102019209484A1 (de) | 2019-06-28 | 2020-12-31 | Siemens Mobility GmbH | Raumüberwachungsverfahren und Raumüberwachungsanlage zum Überwachen eines Verkehrsraumes |
| CN111923966B (zh) * | 2020-07-16 | 2022-07-05 | 北京交通大学 | 面向不同智能化等级的城市轨道交通列车运行控制系统 |
-
2020
- 2020-12-11 DE DE102020215754.5A patent/DE102020215754A1/de not_active Withdrawn
-
2021
- 2021-08-26 WO PCT/EP2021/073593 patent/WO2022122196A1/de not_active Ceased
- 2021-08-26 US US18/256,957 patent/US20240034372A1/en not_active Abandoned
- 2021-08-26 EP EP21769400.9A patent/EP4222039A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020215754A1 (de) | 2022-06-15 |
| WO2022122196A1 (de) | 2022-06-16 |
| US20240034372A1 (en) | 2024-02-01 |
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