WO2019210737A1 - 对象预测方法及装置、电子设备和存储介质 - Google Patents
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Definitions
- the present application relates to the field of computer technologies, and in particular, to an object prediction method and apparatus, an electronic device, and a storage medium.
- neural networks can be applied to various object prediction tasks.
- the accuracy of the plurality of target prediction results obtained is low.
- the present application proposes an object prediction technical solution.
- an object prediction method applied to a neural network comprising:
- an object prediction method applied to a neural network comprising:
- Feature extraction network in the neural network to be predicted is subjected to feature extraction processing to obtain feature information for the object to be predicted; and the feature information is input into a first prediction network in the neural network for processing, and determining Determining a plurality of intermediate prediction results of the prediction object; inputting the intermediate prediction result into a fusion network of the neural network to perform fusion processing to obtain the fusion information; and inputting the fusion information into the neural network respectively Processing in the second prediction network, determining a plurality of target prediction results for the object to be predicted; marking information according to the plurality of intermediate prediction results, multiple intermediate prediction results, multiple target prediction results, and multiple targets
- the annotation information of the prediction result determines a model loss of the neural network; and adjusts a network parameter value of the neural network according to the model loss.
- an object prediction apparatus applied to a neural network comprising:
- a feature extraction module configured to perform feature extraction processing on the object to be predicted, to obtain feature information of the object to be predicted
- the intermediate prediction result determining module is configured to determine, according to the feature information, a plurality of intermediate prediction results for the object to be predicted;
- a fusion module configured to perform fusion processing on the multiple intermediate prediction results to obtain fusion information
- the target prediction result determining module is configured to determine a plurality of target prediction results for the object to be predicted according to the fusion information.
- an object prediction apparatus applied to a neural network comprising:
- a first information obtaining module configured to perform feature extraction processing on the feature extraction network in the neural network to be predicted, to obtain feature information for the object to be predicted;
- a first result determining module configured to input the feature information into a first prediction network in the neural network for processing, and determine a plurality of intermediate prediction results for the object to be predicted;
- a second information obtaining module configured to input the intermediate prediction result into a fusion network of the neural network for performing fusion processing to obtain the fusion information
- a second result determining module configured to separately input the fusion information into a plurality of second prediction networks in the neural network for processing, and determine a plurality of target prediction results for the object to be predicted;
- a model loss determining module configured to determine a model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results;
- a parameter adjustment module configured to adjust a network parameter value of the neural network according to the model loss.
- an electronic device comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to execute the object prediction method described above.
- a computer readable storage medium having stored thereon computer program instructions that, when executed by a processor, implement the object prediction method described above.
- a computer program comprising computer readable code, the processor in the electronic device executing to perform the object prediction described above when the computer readable code is run in an electronic device method.
- the feature information of the object to be predicted can be extracted, and a plurality of intermediate prediction results for the object to be predicted are determined according to the feature information, and the fusion information is obtained by performing fusion processing on the plurality of intermediate prediction results. And determining, according to the fusion information, a plurality of target prediction results for the object to be predicted, which is beneficial to improving accuracy of the plurality of target prediction results.
- FIG. 1 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 2 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 3 is a schematic diagram of an application scenario of an object prediction method, according to an exemplary embodiment.
- FIG. 4 is a schematic diagram of an expanded convolution, according to an exemplary embodiment.
- FIG. 5 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 6 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 7a, 7b, and 7c are schematic diagrams of application scenarios of an object prediction method, respectively, according to an exemplary embodiment.
- FIG. 8 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 9 is a flowchart of training a neural network in an object prediction method, according to an exemplary embodiment.
- FIG. 10 is a flowchart of training a neural network in an object prediction method, according to an exemplary embodiment.
- FIG. 11 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 12 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 13 is a block diagram of an object prediction apparatus, according to an exemplary embodiment.
- FIG. 14 is a block diagram of an object prediction apparatus, according to an exemplary embodiment.
- FIG. 15 is a block diagram of an object prediction apparatus, according to an exemplary embodiment.
- FIG. 16 is a block diagram of an object prediction apparatus, according to an exemplary embodiment.
- FIG. 17 is a block diagram of an electronic device, according to an exemplary embodiment.
- FIG. 1 is a flowchart of an object prediction method, according to an exemplary embodiment.
- the method can be applied to an electronic device.
- the electronic device can be provided as a terminal, a server or other form of device.
- the object prediction method according to an embodiment of the present application includes:
- step S101 feature extraction processing is performed on the object to be predicted, and feature information of the object to be predicted is obtained;
- step S102 determining, according to the feature information, a plurality of intermediate prediction results for the object to be predicted
- step S103 performing fusion processing on the plurality of intermediate prediction results to obtain fusion information
- step S104 a plurality of target prediction results for the object to be predicted are determined according to the fusion information.
- the feature information of the object to be predicted can be extracted, and a plurality of intermediate prediction results for the object to be predicted are determined according to the feature information, and the fusion information is obtained by performing fusion processing on the plurality of intermediate prediction results. And determining, according to the fusion information, a plurality of target prediction results for the object to be predicted, which is beneficial to improving accuracy of the plurality of target prediction results.
- the deep learning technology can be used in various object prediction tasks, for example, a depth estimation prediction task (a depth estimation can provide three-dimensional information of a scene), a scene segmentation prediction task (a scene segmentation can generate a two-dimensional semantic of a scene), and the like.
- Object prediction can be widely used in a variety of important application areas.
- depth estimation prediction and scene segmentation prediction can be applied to applications such as intelligent video analysis, road scene modeling, and autopilot.
- multiple target predictions may need to be performed simultaneously.
- depth estimation and scene segmentation are performed simultaneously on an image or sequence under a single camera.
- scene segmentation is a discrete classification problem.
- the accuracy of multiple target predictions for multiple target predictions is often low and the prediction performance is poor. It can be seen that the complexity of performing multiple target predictions at the same time is very high. How to improve the accuracy of multiple target prediction results when multiple target predictions are simultaneously becomes an urgent problem to be solved.
- feature extraction processing may be performed on the object to be predicted, and feature information of the object to be predicted is obtained, and a plurality of intermediate prediction results for the object to be predicted are determined according to the feature information.
- the plurality of intermediate prediction results may be intermediate prediction results of multiple levels (for example, from a low level to a high level), thereby generating multimodal data, which may assist in determining the final plurality of target predictions.
- the fusion information is obtained by performing fusion processing on the plurality of intermediate prediction results, and determining, according to the fusion information, a plurality of target prediction results for the object to be predicted.
- the embodiment of the present application assists in determining the final plurality of target prediction results by using a plurality of intermediate prediction results determined according to the object to be predicted, which is beneficial to improving the accuracy of the plurality of target prediction results.
- the embodiments of the present application can be applied to various types of multi-task prediction, for example, RGB-D behavior recognition, multi-sensor intelligent video monitoring, depth estimation, and scene segmentation dual task prediction.
- the neural network may be trained according to the object to be predicted.
- the object to be predicted may be various types of images, for example, RGB images, etc., which is not limited in this application.
- the plurality of intermediate prediction results of the object to be predicted may include the target prediction result, and may also be related or complementary to the plurality of target prediction results.
- the present application does not limit the correspondence between a plurality of intermediate prediction results and a plurality of target prediction results, the number of intermediate prediction results, the number of target prediction results, and the like.
- the object to be predicted is an RGB image
- the intermediate prediction result includes a depth estimation intermediate prediction result, a surface normal intermediate prediction result, a contour intermediate prediction result, and a semantic segmentation intermediate prediction result
- the target prediction result includes a depth estimation result and a scene.
- the segmentation result is explained as an example.
- a feature extraction process is performed on a prediction object (for example, a single RGB image) to obtain feature information of the object to be predicted.
- the feature extraction network input into the neural network may be subjected to feature extraction processing to obtain feature information for the object to be predicted.
- the feature extraction network may include various convolutional neural networks.
- the feature extraction network may use one of an Alex Net network structure, a VGG network structure, and a ResNet network structure, which is not limited in this application.
- FIG. 2 is a flowchart of an object prediction method, according to an exemplary embodiment.
- FIG. 3 is a schematic diagram of an application scenario of an object prediction method, according to an exemplary embodiment.
- step S101 may include:
- step S1011 feature extraction processing is performed on the object to be predicted to obtain features of a plurality of levels
- step S1012 the features of the plurality of levels are aggregated to obtain feature information for the object to be predicted.
- feature extraction processing is performed on the predicted object, for example, feature extraction processing is performed on the predicted object by a feature extraction network including a convolutional neural network.
- the convolutional neural network may include a multi-level convolutional layer, for example, a first-level convolutional layer to an N-th convolutional layer, and each of the convolutional layers may include one or more convolution sub-layers.
- multiple levels of features can be obtained (for example, the features of the last convolved sub-layer in each level of the convolutional layer are determined as features of each level). For example, as shown in FIG. 3, four levels of features can be obtained.
- the receptive field of the convolution can be increased by expanding convolution, so that the characteristics of the plurality of levels can be obtained. Contains a wider range of information.
- the convolution structure of the last convolution sublayer of the convolutional neural network multilevel convolutional layer can be an expanded convolution.
- the expansion convolution is an expansion convolution with a void size of 1, and the size of the convolution kernel is 3*3.
- the circled point in FIG. 4 can be convoluted with the 3*3 convolution kernel, and the remaining points (holes) are not convoluted.
- the expansion convolution can improve the receptive field of the convolution, so that after the feature extraction process, the obtained plurality of hierarchical features can contain a wider range of information.
- the feature extraction processing of the object to be predicted, the manner of obtaining the features of the plurality of levels, the size of the hole of the expanded convolution, and the like are not limited.
- multiple levels of features may be aggregated to obtain feature information for the object to be predicted.
- the features of each level of the convolutional neural network may be aggregated, for example, the features of the first three shallower levels are aggregated to the features of the last level of the convolutional layer (eg, superimposed fusion), aggregation processing
- the feature information for the object to be predicted is obtained later.
- the features of each shallow level may be downsampled by a convolution operation, and obtained by the bilinear interpolation process and the last stage.
- the features of the convolutional layer are characterized by the same resolution.
- the resolution of features of each level is different, for example, the feature resolution of the shallowest level is the largest, and the resolution of the deepest level (for example, the feature of the last level convolutional layer) is the smallest.
- the features of each shallower level can be downsampled by a convolution operation, and the same resolution as that of the last-level convolutional layer can be obtained by bilinear interpolation processing.
- Feature for performing aggregation processing for example, superimposing and merging features of a plurality of levels having the same resolution after processing to obtain feature information of the object to be predicted).
- the number of feature channels can also be used to control the number of feature channels by convolution operations for features of each shallower level to make the aggregation process more efficient.
- feature information for the object to be predicted can be obtained, and the feature information can be used to better predict the intermediate prediction result.
- the method for performing feature extraction processing on the object to be predicted and obtaining the feature information of the object to be predicted is not limited.
- step S102 a plurality of intermediate prediction results for the object to be predicted are determined based on the feature information.
- a plurality of intermediate prediction results for the object to be predicted may be determined according to the feature information of the object to be predicted.
- the feature information of the object to be predicted may be reconstructed into different intermediate prediction tasks, and a plurality of intermediate prediction results for the object to be predicted may be determined.
- the intermediate prediction results can be used to assist in determining the target prediction results.
- FIG. 5 is a flowchart of an object prediction method, according to an exemplary embodiment.
- step S102 may include:
- step S1021 the feature information is reconstructed to obtain a plurality of reconstructed features.
- the feature information may be reconstructed.
- the feature information may be deconvolved to obtain a plurality of reconstructed features.
- the feature information may be subjected to a deconvolution operation to obtain four reconstructed features, respectively.
- the resolution of the reconstructed feature is twice the resolution of the feature information.
- step S1022 a plurality of intermediate prediction results for the object to be predicted are determined according to a plurality of reconstruction features.
- a plurality of reconstructed features may be separately convoluted to obtain intermediate prediction results of the plurality of intermediate prediction tasks.
- the convolution operation is performed on multiple reconstructed features respectively, and the intermediate information of the corresponding multiple intermediate prediction tasks can be obtained, and the intermediate information of the multiple intermediate prediction tasks can be processed by bilinear interpolation to obtain the resolution to be predicted.
- Multiple intermediate predictions with a quarter of the original resolution For example, as shown in FIG. 3, a depth estimation intermediate prediction result, a surface normal intermediate prediction result, a contour intermediate prediction result, and a semantic division intermediate prediction result for the object to be predicted may be determined.
- a plurality of intermediate prediction results for the object to be predicted can be determined based on the feature information.
- the plurality of intermediate prediction results can be used to assist in determining a plurality of target prediction results.
- the application does not limit the manner in which a plurality of intermediate prediction results for the object to be predicted are determined according to the feature information.
- step S103 the plurality of intermediate prediction results are subjected to fusion processing to obtain fusion information.
- the multiple intermediate prediction results may be fused by multiple methods to obtain fusion information.
- the fusion information can be used to determine a plurality of target prediction results for the object to be predicted.
- the fusion information may be one or more, and when the fusion information is one, the fusion information may be used to separately determine a plurality of target prediction results for the object to be predicted.
- the merging information may also be multiple. For example, a plurality of intermediate prediction results may be fused, and a plurality of fused information for determining each target prediction result are respectively obtained.
- fusion information is obtained, which effectively combines more information from multiple related tasks (intermediate prediction results) to improve the accuracy of multiple target prediction results.
- the present application does not limit the manner in which the information is obtained, the number of pieces of information to be fused, and the like.
- the depth estimation intermediate prediction result, the surface normal intermediate prediction result, the contour intermediate prediction result, and the semantic segmentation intermediate prediction result are fused to obtain fusion information.
- FIG. 6 is a flowchart of an object prediction method, according to an exemplary embodiment.
- 7a, 7b, and 7c are schematic diagrams of application scenarios of an object prediction method, respectively, according to an exemplary embodiment.
- step S103 may include:
- step S1031 the plurality of intermediate prediction results are reprocessed to obtain reprocessing results of the plurality of intermediate prediction results.
- multiple intermediate prediction results may be reprocessed.
- multiple intermediate prediction results may be convoluted to obtain reprocessing results of multiple intermediate prediction results to obtain richer information and narrow down.
- the reprocessing result of the obtained multiple intermediate prediction results may be the same as the intermediate prediction result.
- intermediate prediction results are respectively represented (for example, depth estimation intermediate prediction results, surface normal intermediate prediction results, contour intermediate prediction results, and semantic segmentation intermediate prediction results).
- Reprocessing the plurality of intermediate prediction results to obtain reprocessing results of the plurality of intermediate prediction results for example, obtaining as well as These 4 corresponding reprocessing results.
- step S1032 the reprocessing result of the plurality of intermediate prediction results is subjected to fusion processing to obtain fusion information.
- the reprocessing result of the multiple intermediate prediction results may be fused to obtain the fused information.
- step S1032 may include performing superposition processing on the reprocessing results of the plurality of intermediate prediction results to obtain fusion information.
- Fusion information Can be used to determine a plurality of target prediction results for the object to be predicted, for example, as shown in FIG. 7a, the fusion information can be The depth estimation task branch and the scene segmentation task branch are respectively input, and the depth estimation result and the scene segmentation result for the object to be predicted are determined.
- fusion information for determining a plurality of target prediction results can be obtained.
- the manner in which the present application superimposes the reprocessing result of the intermediate prediction result is not limited.
- the multiple intermediate prediction results include a first intermediate prediction result and a second intermediate prediction result, wherein the first intermediate prediction result has the highest correlation with the target prediction result.
- the plurality of intermediate prediction results are a depth estimation intermediate prediction result, a surface normal intermediate prediction result, a contour intermediate prediction result, and a semantic segmentation intermediate prediction result, respectively.
- the plurality of intermediate prediction results may be divided into a first intermediate prediction result and a second intermediate prediction result.
- the first intermediate prediction result is a depth estimation intermediate prediction result having the highest correlation with the target prediction result (depth estimation result).
- the other three intermediate prediction results may be the second intermediate prediction result.
- step S1032 may further include:
- two target prediction results for the object to be predicted are determined.
- the reprocessing result of the second intermediate prediction result is processed to obtain a reference result.
- the reprocessing result of the second intermediate prediction result may be processed according to formula (1), for example, respectively as well as Convolution operations were performed to obtain three reference results.
- the reprocessing result of the first intermediate prediction result is superimposed with the reference result, and the fusion information for the target prediction result may be obtained.
- the reprocessing result of the first intermediate prediction result may be superimposed with the reference result according to formula (1) (for example, for each pixel, the reprocessing result of the first intermediate prediction result is The information of the pixel is superimposed with the information of the other three reference results, and the fusion information for the target prediction result can be obtained. For example, as shown in Figure 7b, get the fusion information. Fusion information The fusion information for the prediction result of the first target can be used to determine the first target prediction result. It should be understood that the fusion information for the plurality of target prediction results may be respectively obtained according to the formula (1).
- the fusion information for the plurality of target prediction results may be determined, and the fusion information may include more information in the reprocessing result of the first intermediate prediction result having the highest correlation with the target prediction result, achieving smoother Perform multi-mode data fusion.
- the specific method for superimposing the reprocessing result of the first intermediate prediction result and the reference result to obtain the fusion information for the target prediction result is not limited.
- step S1032 may further include: determining a attention coefficient according to a reprocessing result of the first intermediate prediction result, where the attention coefficient is a reference coefficient determined according to an attention mechanism;
- Determining the attention coefficient determined according to the reprocessing result of the first intermediate prediction result in determining the fusion information for the kth target prediction result Represents a convolution operation, Express convolution parameters, Representing the reprocessing result of the kth intermediate prediction result (which is the first intermediate prediction result) in the process of determining the fusion information for the kth target prediction result, and ⁇ represents the sigmoid function.
- the attention coefficient may be determined according to the reprocessing result of the first intermediate prediction result, where the attention coefficient is a reference coefficient determined according to the attention mechanism.
- the reprocessing result according to the first intermediate prediction result may be Determining the attention coefficient
- the attention coefficient is a reference coefficient determined according to the attention mechanism, and can be used to filter a plurality of second intermediate prediction results to guide information transfer fusion (for example, for more attention or ignoring information from the second intermediate prediction result).
- ⁇ denotes a point multiplication process, where k, t, and T are positive integers, t is a variable, and t is between 1 and T, t ⁇ k. ⁇ indicates that the right part is superimposed to obtain the fusion information of the left part.
- the reprocessing result of the second intermediate prediction result is processed to obtain a reference result.
- the reprocessing result of the second intermediate prediction result may be processed according to formula (3), for example, respectively as well as Convolution operations were performed to obtain three reference results.
- the reference result and the attention coefficient are subjected to point multiplication processing to obtain attention content.
- the attention coefficient can be determined according to formula (2).
- the attention coefficient corresponding to each pixel can be obtained.
- the reference result and the attention coefficient can be subjected to dot multiplication processing to obtain attention content.
- the obtained reference result is subjected to point multiplication processing with the attention coefficient to obtain respective corresponding attention contents.
- the reprocessing result of the first intermediate prediction result is superimposed with the attention content to obtain fusion information for the target prediction result.
- the reprocessing result of the first intermediate prediction result may be superimposed with the plurality of attention content according to formula (3) (for example, for each pixel, the first intermediate prediction result is re-processed)
- the processing result is that the information of the pixel is superimposed with the information of the other three attention contents, and the fusion information for the target prediction result can be obtained.
- the fusion information is obtained. Fusion information
- the fusion information for the prediction result of the first target can be used to determine the first target prediction result. It should be understood that the fusion information for the plurality of target prediction results may be respectively obtained according to the formula (1).
- the fusion information for the plurality of target prediction results may be determined, the fusion information may include more information in the reprocessing result of the first intermediate prediction result having the highest correlation with the target prediction result, through the first middle
- the reprocessing result of the prediction result determines a attention coefficient, which can be used to filter a plurality of second intermediate prediction results, and guide information transfer fusion (for example, for more attention or ignoring information from the second intermediate prediction result), thereby improving targeting The relevance of the fusion information of multiple target prediction results.
- the present application does not limit the manner in which the attention coefficient is determined, the manner in which the reference result is determined, the manner in which the attention content is determined, and the manner in which the fusion information is determined.
- step S104 a plurality of target prediction results for the object to be predicted are determined based on the fusion information.
- a plurality of target prediction results for the object to be predicted may be determined according to the fusion information.
- the fusion information may be separately input into a plurality of branches for the target prediction task to determine a plurality of target prediction results.
- the corresponding fusion information may be input into the corresponding target prediction task branch to determine a plurality of target prediction results.
- multiple target prediction tasks may be implemented over a sub-network (eg, a second prediction network of neural networks).
- the sub-network may include different branches, each of which may adopt various types of networks of different depths according to the complexity of the task, have different network parameters, and different designs.
- the present application does not limit the manner of determining a plurality of target prediction results for the object to be predicted, the structure and design of the sub-networks of the plurality of target prediction tasks, according to the fusion information.
- a depth estimation result for the object to be predicted and a scene segmentation result are determined.
- FIG. 8 is a flowchart of an object prediction method, according to an exemplary embodiment.
- step S104 may include:
- step S104 fusion information for a plurality of target prediction results is determined
- step S1042 the fusion information is processed to obtain a target feature
- step S1043 a plurality of target prediction results are determined according to the target feature.
- fusion information for multiple target prediction results can be determined.
- the fusion information for the depth estimation result is determined as
- determining the fusion information for the segmentation result of the scene is The fusion information can be processed to obtain target features, and multiple target prediction results are determined according to the target characteristics.
- the depth estimation result is determined as an example.
- the fusion information for the depth estimation result can be Processed to get the target features.
- the resolution of multiple intermediate prediction results is one quarter of the original resolution of the object to be predicted, and can be obtained by two consecutive deconvolution operations (two times each magnification) to obtain the original object to be predicted.
- the target prediction result can be determined according to the target feature. For example, a convolution operation can be performed on the target feature to determine a target prediction result.
- a plurality of target prediction results for the object to be predicted can be determined based on the fusion information.
- the present application does not limit the manner in which a plurality of target prediction results for an object to be predicted are determined based on the fusion information.
- the foregoing method may be applicable to a scenario in which a plurality of target prediction results are determined by using a trained neural network, and may also be applied to a process of training a neural network, which is not limited in this embodiment of the present application.
- the step of training the neural network according to the object to be predicted may be included.
- FIG. 9 is a flowchart of training a neural network in an object prediction method, according to an exemplary embodiment.
- the step of training the neural network according to the object to be predicted may include:
- step S105 the object to be predicted is input into the feature extraction network in the neural network to perform feature extraction processing, to obtain feature information for the object to be predicted;
- step S106 the feature information is input into a first prediction network in the neural network for processing, and a plurality of intermediate prediction results for the object to be predicted are determined;
- step S107 the intermediate prediction result is input into the fusion network of the neural network to perform fusion processing, to obtain the fusion information;
- step S108 the fusion information is separately input into a plurality of second prediction networks in the neural network for processing, and a plurality of target prediction results for the object to be predicted are determined;
- step S109 determining a model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results;
- step S110 the network parameter value of the neural network is adjusted according to the model loss.
- the feature extraction network that is to be predicted into the neural network may be subjected to feature extraction processing to obtain feature information for the object to be predicted.
- the feature information is input into a first prediction network in the neural network for processing, and a plurality of intermediate prediction results for the object to be predicted are determined. For example, determine 4 intermediate prediction results.
- the intermediate prediction result is input into the fusion network of the neural network to perform fusion processing, and the fusion information is obtained, and the fusion information is separately input into a plurality of second prediction networks in the neural network for processing, and determining a plurality of target prediction results of the object to be predicted. Determining the model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results.
- the model loss of the determined neural network may be 6 loss functions during training.
- the sum of the losses (including the respective losses of the four intermediate predictions and the respective losses of the two target predictions).
- Each loss function may include different types.
- the loss function in the contour intermediate prediction task, the loss function may be a cross entropy loss function, and in the semantic segmentation intermediate prediction task (scene segmentation prediction task), the loss function may be a Softmax loss function.
- the loss function may be a Euclidean distance loss function.
- the loss weights of the loss functions may not be identical.
- the loss weights of the loss function of the depth estimation intermediate prediction task, the depth estimation prediction task, the scene segmentation prediction task, and the semantic segmentation intermediate prediction task can be set to 1, the loss of the loss function of the surface normal intermediate prediction task and the contour intermediate prediction task.
- the weight can be set to 0.8.
- the present application does not limit the type of the loss function, the loss weight of each loss function, and the like.
- the network parameter value of the neural network may be adjusted according to the model loss.
- the network parameter values are adjusted using a reverse gradient algorithm or the like. It should be understood that the network parameter values of the neural network may be adjusted in a suitable manner, which is not limited in this application.
- the current neural network may be determined as the final The neural network thus completes the training process of the neural network.
- the training conditions and the loss threshold may be set by a person skilled in the art according to actual conditions, which is not limited in this application.
- the feature information can be obtained by inputting an object to be predicted (for example, an RGB image), and a plurality of intermediate prediction results are obtained according to the feature information.
- Multiple intermediate prediction results can not only serve as supervised information for learning deeper features, but also provide richer multimodal data to improve the final target prediction task, assist in determining the final multiple target prediction results, and simultaneously improve multiple target prediction tasks. Generalization capabilities and predictive performance to improve the accuracy of multiple target predictions.
- multiple target prediction results are directly trained at the same time, but multiple intermediate prediction results are determined, and multiple The intermediate prediction results assist in determining multiple target prediction results, thereby reducing the complexity of neural network training and ensuring better training efficiency and effectiveness.
- FIG. 10 is a flowchart of training a neural network in an object prediction method, according to an exemplary embodiment.
- the step of training the neural network according to the object to be predicted further includes:
- step S111 the feature extraction network is input to the feature extraction network in the neural network to perform feature extraction processing, and before the feature information for the object to be predicted is obtained, the annotation information of the plurality of target prediction results is determined. ;
- step S112 the annotation information of the plurality of intermediate prediction results is determined according to the annotation information of the plurality of target prediction results.
- the target prediction result includes a depth estimation result and a scene segmentation result.
- the annotation information of the prediction results of the two targets can be determined. For example, it is determined by manual marking or the like.
- the annotation information of the plurality of intermediate prediction results may be determined according to the depth estimation result and the annotation information of the scene segmentation result.
- the intermediate prediction results include a depth estimation intermediate prediction result, a surface normal intermediate prediction result, a contour intermediate prediction result, and a semantic segmentation intermediate prediction result.
- the annotation information of the depth estimation result and the scene segmentation result may be respectively determined as the depth estimation intermediate prediction result and the annotation information of the semantic segmentation intermediate prediction result.
- the annotation information of the intermediate prediction result of the contour can be obtained by the annotation information of the scene segmentation result, and the annotation information of the intermediate prediction result of the surface normal can be estimated by the annotation information of the depth estimation result.
- the annotation information of the plurality of intermediate prediction results is determined according to the annotation information of the plurality of target prediction results, so that more annotation information is used as the supervision information training neural network. Without having to complete too many annotation tasks, the efficiency of neural network training is improved.
- the method for determining the labeling information of the plurality of intermediate prediction results according to the labeling information of the plurality of target prediction results is not limited.
- FIG. 11 is a flowchart of an object prediction method, according to an exemplary embodiment.
- the method can be applied to an electronic device.
- the electronic device can be provided as a terminal, a server or other form of device.
- the object prediction method according to an embodiment of the present application includes:
- step S201 the feature extraction network in the object to be predicted is input into the neural network for feature extraction processing, to obtain feature information for the object to be predicted;
- step S202 the feature information is input into a first prediction network in the neural network for processing, and a plurality of intermediate prediction results for the object to be predicted are determined;
- step S203 the intermediate prediction result is input into the fusion network of the neural network to perform fusion processing, to obtain the fusion information;
- step S204 the fusion information is separately input into a plurality of second prediction networks in the neural network for processing, and determining a plurality of target prediction results for the object to be predicted;
- step S205 determining a model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results;
- step S206 the network parameter value of the neural network is adjusted according to the model loss.
- a neural network can be trained according to an object to be predicted, and the neural network can be used to determine a plurality of target prediction results for the object to be predicted.
- a neural network can be trained and will not be described again.
- FIG. 12 is a flowchart of an object prediction method, according to an exemplary embodiment. In a possible implementation manner, as shown in FIG. 12, the method further includes:
- step S207 the feature extraction network is input to the feature extraction network in the neural network to be predicted, and the annotation information of the plurality of target prediction results is determined before the feature information for the object to be predicted is obtained.
- step S208 the annotation information of the plurality of intermediate prediction results is determined according to the annotation information of the plurality of target prediction results.
- FIG. 13 is a block diagram of an object prediction apparatus, according to an exemplary embodiment. As shown in FIG. 13, the object prediction apparatus includes:
- the feature extraction module 301 is configured to perform feature extraction processing on the object to be predicted, and obtain feature information of the object to be predicted;
- the intermediate prediction result determining module 302 is configured to determine, according to the feature information, a plurality of intermediate prediction results for the object to be predicted;
- the fusion module 303 is configured to perform fusion processing on the multiple intermediate prediction results to obtain fusion information.
- the target prediction result determining module 304 is configured to determine a plurality of target prediction results for the object to be predicted according to the fusion information.
- FIG. 14 is a block diagram of an object prediction apparatus, according to an exemplary embodiment. As shown in FIG. 14, in a possible implementation manner, the feature extraction module 301 includes:
- the feature obtaining sub-module 3011 is configured to perform feature extraction processing on the object to be predicted to obtain features of multiple levels;
- the feature information obtaining sub-module 3012 is configured to perform aggregation processing on the features of the plurality of levels to obtain feature information for the object to be predicted.
- the intermediate prediction result determining module 302 includes:
- the reconstructed feature obtaining sub-module 3021 is configured to perform reconstruction processing on the feature information to obtain a plurality of reconstructed features
- the intermediate prediction result obtaining sub-module 3022 is configured to determine a plurality of intermediate prediction results for the object to be predicted based on the plurality of reconstruction features.
- the fusion module 303 includes:
- the reprocessing result obtaining submodule 3031 is configured to reprocess the plurality of intermediate prediction results to obtain reprocessing results of the plurality of intermediate prediction results;
- the fusion information obtaining sub-module 3032 is configured to perform fusion processing on the reprocessing results of the plurality of intermediate prediction results to obtain fusion information.
- the fusion information obtaining submodule 3032 is configured to:
- the multiple intermediate prediction results include a first intermediate prediction result and a second intermediate prediction result, wherein the first intermediate prediction result has the highest correlation with the target prediction result,
- the fusion information obtaining submodule 3032 is configured to:
- the multiple intermediate prediction results include a first intermediate prediction result and a second intermediate prediction result, wherein the first intermediate prediction result has the highest correlation with the target prediction result,
- the fusion information obtaining submodule 3032 is configured to:
- the target prediction result determining module 304 includes:
- a fusion information determination sub-module 3041 configured to determine fusion information for a plurality of target prediction results
- the target feature obtaining sub-module 3042 is configured to process the fusion information to obtain a target feature.
- the target prediction result determination sub-module 3043 is configured to determine a plurality of target prediction results according to the target feature.
- the neural network is trained according to the object to be predicted.
- the device further includes:
- the first obtaining module 305 is configured to input the object to be predicted into the feature extraction network in the neural network for feature extraction processing, to obtain feature information for the object to be predicted;
- the first determining module 306 is configured to input the feature information into a first prediction network in the neural network for processing, and determine a plurality of intermediate prediction results for the object to be predicted;
- a second obtaining module 307 configured to input the intermediate prediction result into a fusion network of the neural network for performing fusion processing to obtain the fusion information
- the second determining module 308 is configured to separately input the fusion information into a plurality of second prediction networks in the neural network for processing, and determine a plurality of target prediction results for the object to be predicted;
- the third determining module 309 is configured to determine the model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results. ;
- the network parameter value adjustment module 310 is configured to adjust the network parameter value of the neural network according to the model loss.
- the device further includes:
- the label information determining module 311 is configured to perform feature extraction processing on the feature extraction network that is to be input into the neural network, and obtain the target information before the feature information for the object to be predicted Labeling information of the result;
- the intermediate annotation information determining module 312 is configured to determine the annotation information of the plurality of intermediate prediction results according to the annotation information of the plurality of target prediction results.
- the intermediate prediction result determining module 302 includes:
- the first determining submodule 3023 is configured to determine, according to the feature information, a depth estimation intermediate prediction result, a surface normal intermediate prediction result, a contour intermediate prediction result, and a semantic segmentation intermediate prediction result for the object to be predicted,
- the fusion module 303 includes:
- the obtaining sub-module 3033 is configured to perform fusion processing on the depth estimation intermediate prediction result, the surface normal intermediate prediction result, the contour intermediate prediction result, and the semantic segmentation intermediate prediction result to obtain fusion information,
- the target prediction result determining module 304 includes:
- the second determining submodule 3044 is configured to determine a depth estimation result and a scene segmentation result for the object to be predicted according to the fusion information.
- FIG. 15 is a block diagram of an object prediction apparatus, according to an exemplary embodiment. As shown in FIG. 15, the object prediction apparatus includes:
- the first information obtaining module 401 is configured to perform feature extraction processing on the feature extraction network in the neural network to be predicted, to obtain feature information for the object to be predicted;
- the first result determining module 402 is configured to input the feature information into a first prediction network in the neural network for processing, and determine a plurality of intermediate prediction results for the object to be predicted;
- the second information obtaining module 403 is configured to input the intermediate prediction result into a fusion network of the neural network to perform fusion processing, to obtain the fusion information;
- the second result determining module 404 is configured to input the fusion information into a plurality of second prediction networks in the neural network for processing, and determine a plurality of target prediction results for the object to be predicted;
- the model loss determination module 405 is configured to determine the model loss of the neural network according to the plurality of intermediate prediction results, the annotation information of the plurality of intermediate prediction results, the plurality of target prediction results, and the annotation information of the plurality of target prediction results. ;
- the parameter adjustment module 406 is configured to adjust the network parameter value of the neural network according to the model loss.
- FIG. 16 is a block diagram of an object prediction apparatus, according to an exemplary embodiment. As shown in FIG. 16, in a possible implementation, the device further includes:
- the first information determining module 407 is configured to perform feature extraction processing on the feature extraction network in the object to be predicted input into the neural network, and obtain the annotation of the plurality of target prediction results before obtaining the feature information for the object to be predicted information;
- the second information determining module 408 is configured to determine the labeling information of the plurality of intermediate prediction results according to the labeling information of the plurality of target prediction results.
- FIG. 17 is a block diagram of an electronic device, according to an exemplary embodiment.
- an electronic device can be provided as a terminal, a server, or other form of device.
- device 1900 includes a processing component 1922 that further includes one or more processors, and memory resources represented by memory 1932 for storing instructions executable by processing component 1922, such as an application.
- An application stored in memory 1932 can include one or more modules each corresponding to a set of instructions.
- processing component 1922 is configured to execute instructions to perform the methods described above.
- Device 1900 can also include a power component 1926 configured to perform power management of device 1900, a wired or wireless network interface 1950 configured to connect device 1900 to the network, and an input/output (I/O) interface 1958.
- Device 1900 can operate based on an operating system stored in memory 1932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
- a computer readable storage medium such as a memory 1932 comprising computer program instructions executable by processing component 1922 of device 1900 to perform the above method.
- a computer program comprising computer readable code, the processor in the electronic device executing to implement the method described above when the computer readable code is run in an electronic device.
- the application can be a system, method and/or computer program product.
- the computer program product can comprise a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement various aspects of the present application.
- the computer readable storage medium can be a tangible device that can hold and store the instructions used by the instruction execution device.
- the computer readable storage medium can be, for example, but not limited to, an electrical storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing.
- Non-exhaustive list of computer readable storage media include: portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM) Or flash memory), static random access memory (SRAM), portable compact disk read only memory (CD-ROM), digital versatile disk (DVD), memory stick, floppy disk, mechanical encoding device, for example, with instructions stored thereon A raised structure in the hole card or groove, and any suitable combination of the above.
- a computer readable storage medium as used herein is not to be interpreted as a transient signal itself, such as a radio wave or other freely propagating electromagnetic wave, an electromagnetic wave propagating through a waveguide or other transmission medium (eg, a light pulse through a fiber optic cable), or through a wire The electrical signal transmitted.
- the computer readable program instructions described herein can be downloaded from a computer readable storage medium to various computing/processing devices or downloaded to an external computer or external storage device over a network, such as the Internet, a local area network, a wide area network, and/or a wireless network.
- the network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers, and/or edge servers.
- a network adapter card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in each computing/processing device .
- Computer program instructions for performing the operations of the present application can be assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine related instructions, microcode, firmware instructions, state setting data, or in one or more programming languages.
- the computer readable program instructions can execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer, partly on the remote computer, or entirely on the remote computer or server. carried out.
- the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or wide area network (WAN), or can be connected to an external computer (eg, using an Internet service provider to access the Internet) connection).
- the customized electronic circuit such as a programmable logic circuit, a field programmable gate array (FPGA), or a programmable logic array (PLA), can be customized by utilizing state information of computer readable program instructions.
- Computer readable program instructions are executed to implement various aspects of the present application.
- the computer readable program instructions can be provided to a general purpose computer, a special purpose computer, or a processor of other programmable data processing apparatus to produce a machine such that when executed by a processor of a computer or other programmable data processing apparatus Means for implementing the functions/acts specified in one or more of the blocks of the flowcharts and/or block diagrams.
- the computer readable program instructions can also be stored in a computer readable storage medium that causes the computer, programmable data processing device, and/or other device to operate in a particular manner, such that the computer readable medium storing the instructions includes An article of manufacture that includes instructions for implementing various aspects of the functions/acts recited in one or more of the flowcharts.
- the computer readable program instructions can also be loaded onto a computer, other programmable data processing device, or other device to perform a series of operational steps on a computer, other programmable data processing device or other device to produce a computer-implemented process.
- instructions executed on a computer, other programmable data processing apparatus, or other device implement the functions/acts recited in one or more of the flowcharts and/or block diagrams.
- each block in the flowchart or block diagram can represent a module, a program segment, or a portion of an instruction that includes one or more components for implementing the specified logical functions.
- Executable instructions can also occur in a different order than those illustrated in the drawings. For example, two consecutive blocks may be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending upon the functionality involved.
- each block of the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts can be implemented in a dedicated hardware-based system that performs the specified function or function. Or it can be implemented by a combination of dedicated hardware and computer instructions.
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Abstract
Description
Claims (31)
- 一种对象预测方法,其特征在于,应用于神经网络,所述方法包括:对待预测对象进行特征提取处理,得到所述待预测对象的特征信息;根据所述特征信息,确定针对所述待预测对象的多个中间预测结果;对所述多个中间预测结果进行融合处理,得到融合信息;根据所述融合信息,确定针对所述待预测对象的多个目标预测结果。
- 根据权利要求1所述的方法,其特征在于,对待预测对象进行特征提取处理,得到所述待预测对象的特征信息,包括:对待预测对象进行特征提取处理,得到多个层级的特征;对所述多个层级的特征进行聚集处理,得到针对所述待预测对象的特征信息。
- 根据权利要求1所述的方法,其特征在于,根据所述特征信息,确定针对所述待预测对象的多个中间预测结果,包括:对所述特征信息进行重构处理,得到多个重构特征;根据多个重构特征,确定针对所述待预测对象的多个中间预测结果。
- 根据权利要求1所述的方法,其特征在于,对所述多个中间预测结果进行融合处理,得到融合信息,包括:对所述多个中间预测结果进行再处理,得到多个中间预测结果的再处理结果;对所述多个中间预测结果的再处理结果进行融合处理,得到融合信息。
- 根据权利要求4所述的方法,其特征在于,对所述多个中间预测结果的再处理结果进行融合处理,得到融合信息,包括:对所述多个中间预测结果的再处理结果进行叠加处理,得到融合信息。
- 根据权利要求4所述的方法,其特征在于,所述多个中间预测结果中包括第一中间预测结果以及第二中间预测结果,其中,所述第一中间预测结果与目标预测结果的相关度最高,其中,对所述多个中间预测结果的再处理结果进行融合处理,得到融合信息,包括:对所述第二中间预测结果的再处理结果进行处理,得到参考结果;将所述第一中间预测结果的再处理结果与所述参考结果进行叠加处理,得到针对所述目标预测结果的融合信息。
- 根据权利要求4所述的方法,其特征在于,所述多个中间预测结果中包括第一中间预测结果以及第二中间预测结果,其中,所述第一中间预测结果与目标预测结果的相关度最高,其中,对所述多个中间预测结果的再处理结果进行融合处理,得到融合信息,包括:根据所述第一中间预测结果的再处理结果,确定注意力系数,所述注意力系数是根据注意力机制确定的参考系数;对所述第二中间预测结果的再处理结果进行处理,得到参考结果;将所述参考结果以及所述注意力系数进行点乘处理,得到注意力内容;将所述第一中间预测结果的再处理结果与所述注意力内容进行叠加处理,得到针对所述目标预测结果的融合信息。
- 根据权利要求1所述的方法,其特征在于,根据所述融合信息,确定针对所述待预测对象的多个目标预测结果,包括:确定针对多个目标预测结果的融合信息;对所述融合信息进行处理,得到目标特征;根据所述目标特征,确定多个目标预测结果。
- 根据权利要求1所述的方法,其特征在于,所述神经网络根据待预测对象训练得到。
- 根据权利要求9所述的方法,其特征在于,根据待预测对象训练所述神经网络的步骤包括:将所述待预测对象输入所述神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息;将所述特征信息输入所述神经网络中的第一预测网络中进行处理,确定针对所述待预测对象的多个中间预测结果;将所述中间预测结果输入所述神经网络的融合网络中进行融合处理,得到所述融合信息;将所述融合信息分别输入所述神经网络中的多个第二预测网络中进行处理,确定针对所述待预测对象的多个目标预测结果;根据所述多个中间预测结果、多个中间预测结果的标注信息、多个目标预测结果以及多个目标预测结果的标注信息,确定所述神经网络的模型损失;根据所述模型损失,调整所述神经网络的网络参数值。
- 根据权利要求10所述的方法,其特征在于,根据待预测对象训练所述神经网络的步骤还包括:在将所述待预测对象输入所述神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息之前,确定所述多个目标预测结果的标注信息;根据所述多个目标预测结果的标注信息,确定所述多个中间预测结果的标注信息。
- 根据权利要求1所述的方法,其特征在于,根据所述特征信息,确定针对所述待预测对象的多个中间预测结果,包括:根据所述特征信息,确定针对所述待预测对象的深度估计中间预测结果、曲面法线中间预测结果、轮廓中间预测结果以及语义分割中间预测结果,其中,对所述多个中间预测结果进行融合处理,得到融合信息,包括:对所述深度估计中间预测结果、所述曲面法线中间预测结果、所述轮廓中间预测结果以及所述语义分割中间预测结果进行融合处理,得到融合信息,其中,根据所述融合信息,确定针对所述待预测对象的多个目标预测结果,包括:根据所述融合信息,确定针对所述待预测对象的深度估计结果以及场景分割结果。
- 一种对象预测方法,其特征在于,应用于神经网络,所述方法包括:将待预测对象输入神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息;将所述特征信息输入所述神经网络中的第一预测网络中进行处理,确定针对所述待预测对象的多个中间预测结果;将所述中间预测结果输入所述神经网络的融合网络中进行融合处理,得到所述融合信息;将所述融合信息分别输入所述神经网络中的多个第二预测网络中进行处理,确定针对所述待预测对象的多个目标预测结果;根据所述多个中间预测结果、多个中间预测结果的标注信息、多个目标预测结果以及多个目标预测结果的标注信息,确定所述神经网络的模型损失;根据所述模型损失,调整所述神经网络的网络参数值。
- 根据权利要求13所述的方法,其特征在于,所述方法还包括:在将待预测对象输入神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息之前,确定所述多个目标预测结果的标注信息;根据所述多个目标预测结果的标注信息,确定所述多个中间预测结果的标注信息。
- 一种对象预测装置,其特征在于,应用于神经网络,所述装置包括:特征提取模块,被配置为对待预测对象进行特征提取处理,得到所述待预测对象的特征信息;中间预测结果确定模块,被配置为根据所述特征信息,确定针对所述待预测对象的多个中间预测结果;融合模块,被配置为对所述多个中间预测结果进行融合处理,得到融合信息;目标预测结果确定模块,被配置为根据所述融合信息,确定针对所述待预测对象的多个目标预测结果。
- 根据权利要求15所述的装置,其特征在于,所述特征提取模块包括:特征获得子模块,被配置为对待预测对象进行特征提取处理,得到多个层级的特征;特征信息获得子模块,被配置为对所述多个层级的特征进行聚集处理,得到针对所述待预测对象的特征信息。
- 根据权利要求15所述的装置,其特征在于,所述中间预测结果确定模块包括:重构特征获得子模块,被配置为对所述特征信息进行重构处理,得到多个重构特征;中间预测结果获得子模块,被配置为根据多个重构特征,确定针对所述待预测对象的多个中间预测结果。
- 根据权利要求15所述的装置,其特征在于,所述融合模块包括:再处理结果获得子模块,被配置为对所述多个中间预测结果进行再处理,得到多个中间预测结果的再处理结果;融合信息获得子模块,被配置为对所述多个中间预测结果的再处理结果进行融合处理,得到融合信息。
- 根据权利要求18所述的装置,其特征在于,所述融合信息获得子模块被配置为:对所述多个中间预测结果的再处理结果进行叠加处理,得到融合信息。
- 根据权利要求18所述的装置,其特征在于,所述多个中间预测结果中包括第一中间预测结果以及第二中间预测结果,其中,所述第一中间预测结果与目标预测结果的相关度最高,其中,所述融合信息获得子模块被配置为:对所述第二中间预测结果的再处理结果进行处理,得到参考结果;将所述第一中间预测结果的再处理结果与所述参考结果进行叠加处理,得到针对所述目标预测结果的融合信息。
- 根据权利要求18所述的装置,其特征在于,所述多个中间预测结果中包括第一中间预测结果以及第二中间预测结果,其中,所述第一中间预测结果与目标预测结果的相关度最高,其中,所述融合信息获得子模块被配置为:根据所述第一中间预测结果的再处理结果,确定注意力系数,所述注意力系数是根据注意力机制 确定的参考系数;对所述第二中间预测结果的再处理结果进行处理,得到参考结果;将所述参考结果以及所述注意力系数进行点乘处理,得到注意力内容;将所述第一中间预测结果的再处理结果与所述注意力内容进行叠加处理,得到针对所述目标预测结果的融合信息。
- 根据权利要求15所述的装置,其特征在于,所述目标预测结果确定模块包括:融合信息确定子模块,被配置为确定针对多个目标预测结果的融合信息;目标特征获得子模块,被配置为对所述融合信息进行处理,得到目标特征;目标预测结果确定子模块,被配置为根据所述目标特征,确定多个目标预测结果。
- 根据权利要求15所述的装置,其特征在于,所述神经网络根据待预测对象训练得到。
- 根据权利要求23所述的装置,其特征在于,所述装置还包括:第一获得模块,被配置为将所述待预测对象输入所述神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息;第一确定模块,被配置为将所述特征信息输入所述神经网络中的第一预测网络中进行处理,确定针对所述待预测对象的多个中间预测结果;第二获得模块,被配置为将所述中间预测结果输入所述神经网络的融合网络中进行融合处理,得到所述融合信息;第二确定模块,被配置为将所述融合信息分别输入所述神经网络中的多个第二预测网络中进行处理,确定针对所述待预测对象的多个目标预测结果;第三确定模块,被配置为根据所述多个中间预测结果、多个中间预测结果的标注信息、多个目标预测结果以及多个目标预测结果的标注信息,确定所述神经网络的模型损失;网络参数值调整模块,被配置为根据所述模型损失,调整所述神经网络的网络参数值。
- 根据权利要求24所述的装置,其特征在于,所述装置还包括:标注信息确定模块,被配置为在将所述待预测对象输入所述神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息之前,确定所述多个目标预测结果的标注信息;中间标注信息确定模块,被配置为根据所述多个目标预测结果的标注信息,确定所述多个中间预测结果的标注信息。
- 根据权利要求15所述的装置,其特征在于,所述中间预测结果确定模块包括:第一确定子模块,被配置为根据所述特征信息,确定针对所述待预测对象的深度估计中间预测结果、曲面法线中间预测结果、轮廓中间预测结果以及语义分割中间预测结果,其中,所述融合模块包括:获得子模块,被配置为对所述深度估计中间预测结果、所述曲面法线中间预测结果、所述轮廓中间预测结果以及所述语义分割中间预测结果进行融合处理,得到融合信息,其中,所述目标预测结果确定模块包括:第二确定子模块,被配置为根据所述融合信息,确定针对所述待预测对象的深度估计结果以及场景分割结果。
- 一种对象预测装置,其特征在于,应用于神经网络,所述装置包括:第一信息获得模块,被配置为将待预测对象输入神经网络中的特征提取网络进行特征提取处理, 得到针对所述待预测对象的特征信息;第一结果确定模块,被配置为将所述特征信息输入所述神经网络中的第一预测网络中进行处理,确定针对所述待预测对象的多个中间预测结果;第二信息获得模块,被配置为将所述中间预测结果输入所述神经网络的融合网络中进行融合处理,得到所述融合信息;第二结果确定模块,被配置为将所述融合信息分别输入所述神经网络中的多个第二预测网络中进行处理,确定针对所述待预测对象的多个目标预测结果;模型损失确定模块,被配置为根据所述多个中间预测结果、多个中间预测结果的标注信息、多个目标预测结果以及多个目标预测结果的标注信息,确定所述神经网络的模型损失;参数调整模块,被配置为根据所述模型损失,调整所述神经网络的网络参数值。
- 根据权利要求27所述的装置,其特征在于,所述装置还包括:第一信息确定模块,被配置为在将待预测对象输入神经网络中的特征提取网络进行特征提取处理,得到针对所述待预测对象的特征信息之前,确定所述多个目标预测结果的标注信息;第二信息确定模块,被配置为根据所述多个目标预测结果的标注信息,确定所述多个中间预测结果的标注信息。
- 一种电子设备,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:执行权利要求1至14中任意一项所述的方法。
- 一种计算机可读存储介质,其上存储有计算机程序指令,其特征在于,所述计算机程序指令被处理器执行时实现权利要求1至14中任意一项所述的方法。
- 一种计算机程序,包括计算机可读代码,其特征在于,当所述计算机可读代码在电子设备中运行时,所述电子设备中的处理器执行用于实现权利要求1至14中任意一项所述的方法。
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