qualcomm robotics

802670621, initialize by random samplingPRM is not a completeEdge Case:Only probably complete, one stratety are to generate more samples between closed barriers.(PRM buiding The map, whcih can be used in multiple tasks, but it's not efficient when only has to solve one problem and Search the entire free space)Rapid Exploring Random Trees (RRT)Check if green node (new node in blue tree) can is lined to the red treeNot succeedSucceed this timeAnother important feature of theRRTApproach is it can-u

June 13, the largest and most influential robot event--"China Robot Summit" was held in Yuyao, Ningbo. On the evening of 12th, Yuyao Liang Nong Town Party School Siminshan Branch held a party, on the stage of an AI pk "wonderful dialogue" staged, the Robot "Yaoyao" as the host, and the scene of female host mutual ridicule. And the Robot "Alice" and singers to sing together, the robot teams performing dance "Little Apple" also fully demonstrated the robot metal under the appearance of tenderness

Trajectory planning is a top-level problem in robotics, and its main goal is to plan the robot to move from A to B and avoid all obstacles.1. The object of the trajectory planThe trajectory planning object is map, after the robot obtains the map through the slam, it can select any two points in the maps for trajectory planning. For the time being, three-dimensional map is not considered, and the map mainly has the following types:　　As shown above, the

correspond to ALPHA*V1. The third column should correspond to the pixel coordinates of gama* "a". Alpha Beta Gama is a constant. "The coordinates after the projective change should be constant multiplied by the second coordinate".If Alpha Beta Gama can be solved, then we get the projective transformation matrix. Obviously the pixel coordinates of C point are brought into the equation, we have 3 equations, 4 unknowns (introduced a lamda). But Lamda does not affect, in addition to the past, we ju

range, because Sigma describes the scale, the location of the feature point + the scale = The local information of the feature point. On this basis, the gradient direction of all the pixels in the field is counted, and the hog feature is constructed by the direction statistic histogram as the eigenvector. It is important to align the main direction of the image and the x-axis direction before the direction of the statistic. As follows:　　The yellow something like a clock is a feature point +scal

information, and the columns represent constraintsEach row is the error of a point in that position, and each column represents the partial derivative of the F pair of X components.　　Q x c are variables, q is the rotation of four elements, X is three-dimensional point space coordinates, and c is the coordinates of the camera's center of light in the world coordinate system. J can be divided into three parts, the first 4 columns represent the derivation of rotation, the middle three column repre

configuration Space.The essence of this algorithm is the Monte Carlo algorithm. This makes it easy to parallelize on the GPU. The biggest difficulty is still in the non-free Area inspection section ...　　The green point is a random sampling point.2. RRT algorithm for generating one-time path in spaceMost of the time, we don't need to generate an entire map that can be reused, and we need to find a moving path in space. For example, an unmanned car from a to B, we only need to generate a single p

September 23, the North Branch day painting Company in Zhongguancun Software Park held a product launch, launched two new LiDAR products, of which r-fans-32 is the history of the smallest 32-line LiDAR, C-rans is currently the highest number of local field laser radar. R-fans is a navigation-based LiDAR developed by North Dakota for autonomous driving, intelligent robotics, unmanned mapping and SLAM applications. R-fans-16 and r-fans-32 have the char

the success. delay Start Long connection The long connection above the pattern, there is a small flaw, I must be connected to the server when switching long connections, but my software may not be read immediately, it may be a long time before starting to read data, so this component also supports the manual setting of long connections, until the first time to read the data to start the connection server, The subsequent operation is consistent with the above. The whole logic is like this.

the CPU instruction set, the instruction set is the most primitive prerequisite for the birth of a CPU, simply speaking, it is the command that instructs the CPU to do something and give it the order.For now, there are two companies that have the ability to develop mobile CPU instruction sets: ARM and Intel.ARM's ARMV5/ARMV6/ARMV7/ARMV8 instruction setCommon chip design vendors such as Apple, Samsung, Qualcomm, MTK, Nvidia, HiSilicon and other chip m

Qualcomm ultrasound 3D fingerprint scanner: Finger replacement password just around the day Sound waves are not only applicable to sound, but also very suitable for accepting your fingerprints. Maybe one day it will replace the hard-to-remember password. You can't even imagine recording your fingerprints. At present, your secure fingerprint scan is only available when your skin is in good condition. The reader may not be able to accurately retrieve

future.Camera, I think we should continue to studyLinux kernelinside for good, after all is to do the drive, and not go in order toCameraeffect has been goingtunning. Tunning need special people to do, once the special tunning will be very difficult to have time to do other work. Of course some companies givetunnning Camerathe treatment is very good, even so I will not be tempted to go deep into this piece. Personal hobbies, etc. are not the same, the back has been focused onLinux kernel.

Reprinted from Http://www.cnblogs.com/thjfk/p/4086001.htmlCamera Basic code ArchitectureCamera principle: After the external light through the lens, after the color filter filtered to the sensor surface, sensor will be uploaded from the lens to come from the light converted into electrical signals, and then through the internal ad conversion to digital signal, if sensor does not have integrated DSP, It is transferred to baseband via DVP, where the data format is raw. Must be handled through the

Android Qualcomm component Privilege Escalation Vulnerability (CVE-2016-3768)Android Qualcomm component Privilege Escalation Vulnerability (CVE-2016-3768) Release date:Updated on:Affected Systems: Android Description: CVE (CAN) ID: CVE-2016-3768Android is a mobile phone operating system based on the Linux open kernel.On Nexus 5, 6, 5X, 6 P, 7 (2013) devices, the