2021
DOI: 10.3390/s21092939
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Estimation of 6D Object Pose Using a 2D Bounding Box

Abstract: This paper provides an efficient way of addressing the problem of detecting or estimating the 6-Dimensional (6D) pose of objects from an RGB image. A quaternion is used to define an object′s three-dimensional pose, but the pose represented by q and the pose represented by -q are equivalent, and the L2 loss between them is very large. Therefore, we define a new quaternion pose loss function to solve this problem. Based on this, we designed a new convolutional neural network named Q-Net to estimate an object’s p… Show more

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Cited by 5 publications
(4 citation statements)
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“…We calculate the translation T of the object according to the Bounding Box Equation technology proposed in the reference [19].…”
Section: B Calculate Aerial Image Object Translationmentioning
confidence: 99%
See 1 more Smart Citation
“…We calculate the translation T of the object according to the Bounding Box Equation technology proposed in the reference [19].…”
Section: B Calculate Aerial Image Object Translationmentioning
confidence: 99%
“…In addition, according to FIGURE 6, it can be seen that the AP value of Plane is the highest and that of CC is the lowest. This is because the number of samples of CC class is too small, and the results correspond to Based on the attitude quaternion of the object, the threedimensional position and attitude of the object relative to the camera can be further obtained by using the method of literature [19]. The experimental effect of DOTA1.5 data set is shown in FIGURE 7.…”
Section: A Ablation Studymentioning
confidence: 99%
“…Each experiment fixes the total effective frames = 100, under the condition of three kinds of detection diagram, as shown in Figure 8; blue box, blue dot, green line, and red dot represent target detection and its confidence, beacon corner, straight line feature, and center point detection results, respectively. Regarding the description of the rotation state of the target object, there are various methods to describe the rotation state, and the commonly used methods are Euler angles [30] and quaternion [31]. Among them, the quaternion state description method tends to use numbers with certain calculation rules to describe the rotation state of the target object, which can be displayed intuitively through the certain calculation.…”
Section: State Estimation Experiments and Analysismentioning
confidence: 99%
“…The measurement results expressed by the RPY angle are shown in Tables 2-4, respectively. Regarding the description of the rotation state of the target object, there are various methods to describe the rotation state, and the commonly used methods are Euler angles [30] and quaternion [31]. Among them, the quaternion state description method tends to use numbers with certain calculation rules to describe the rotation state of the target object, which can be displayed intuitively through the certain calculation.…”
Section: State Estimation Experiments and Analysismentioning
confidence: 99%