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Search Results: 1 - 10 of 7626 matches for " Jitendra Gupta "
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Visual Semantic Role Labeling
Saurabh Gupta,Jitendra Malik
Computer Science , 2015,
Abstract: In this paper we introduce the problem of Visual Semantic Role Labeling: given an image we want to detect people doing actions and localize the objects of interaction. Classical approaches to action recognition either study the task of action classification at the image or video clip level or at best produce a bounding box around the person doing the action. We believe such an output is inadequate and a complete understanding can only come when we are able to associate objects in the scene to the different semantic roles of the action. To enable progress towards this goal, we annotate a dataset of 16K people instances in 10K images with actions they are doing and associate objects in the scene with different semantic roles for each action. Finally, we provide a set of baseline algorithms for this task and analyze error modes providing directions for future work.
Review LRU Algorithm to Implement Proxy Server with Caching Policies
JITENDRA SINGH KUSHWAH,JITENDRA KUMAR GUPTA,BRIJESH PATEL
International Journal of Engineering Science and Technology , 2011,
Abstract: In order to produce and develop a software system, it is necessary to have a method of choosing a suitable algorithm which satisfies the required quality attributes and maintains a trade-off between sometimes conflicting ones. Proxy server is placed between the real server and clients. Proxy server uses caching policies to store webdocuments using algorithms. For this, different algorithms are used but drawbacks of these algorithms are that it is applicable only for the video files not for other resource types. Second drawback is that it does not tell any thing about organizing the data on the disk storage of the proxy server. Third drawback is that it is difficult toimplement. Fourth drawback is that they require the knowledge about the workloads on the proxy server. Major problems in previous described algorithms is that “Cold Cache Pollution” As described in the previous description all the existing algorithms used for caching suffers from various disadvantages. This paper is proposing a technique to remove the problem of cold cache pollution which isproved mathematically that it is better than the existing LRU-Distance algorithm.
A STUDY OF BRACHIAL ARTERY WITH HIGH UP DIVISION AND ITS CLINICAL SIGNIFICANCE
Jitendra Gupta*, Ravi Jain, Manish Patil
International Journal of Bioassays , 2012,
Abstract: Anomalies of the forelimb arterial tree are fairly common. In present study we observed the brachial artery with its high up division into radial and ulnar arteries in the middle of the arm. The findings were noted after thorough dissection of the upper limbs of both sides (axilla, arm, cubital fossa, forearm and palm) in twenty cadavers in the Department of Anatomy, R. D. Gardi Medical College, Ujjain, in the period of August 2010 to July 2012. After dissection each dissected part was numbered and arteries were painted and Photographic documentation of the variation was taken. An unusually short segment brachial artery was noted in the 2 cadaver. This short segment brachial artery bifurcated more proximally at the level of insertion of coracobrachialis in the middle of the left arm into radial and ulnar arteries. Further distribution of these two arteries was normal in both cadavers. No other variation was found particularly in relation to the cords of the brachial plexus and their branches. The short segment brachial artery with high up bifurcation as noted in the present study is fairly common. The variations can be explained in the light of embryological development. In addition, knowledge of such variation is important for carrying out surgical procedures in the arm in the arm and measurement of blood pressure routinely.
A STUDY OF METRIC MEASUREMENT OF LUMBAR VERTEBRAE IN THE POPULATION OF CENTRAL INDIA
Jitendra Gupta*, Manish Patil, Ashutosh Chourishi
International Journal of Bioassays , 2012,
Abstract: The need for a quantitative data base for geometrical and mechanical models of the vertebral column is expressed often by researchers and practitioners, but no comprehensive anthropometric survey for spinal segment modeling has been published. The purpose of this paper is to present a set of anthropometric measurements on dried cadaveric lumbar vertebrae. This includes statistical analysis for distributions of the various dimensions, relations and correlations of vertebral dimensions. The Present study was conducted on 210 adult lumbar vertebrae in department of Anatomy, R.D. Gardi Medical College, Ujjain, India. The Height, length, width of vertebral body, of lumbar vertebrae were measured with the help of Sliding Vernier Caliper. There was a gradual increase in the transverse diameter of the body of vertebra from L 1-L 5. There was also a- increase in the antero- posterior diameter from L 1 to L5.
Cross Modal Distillation for Supervision Transfer
Saurabh Gupta,Judy Hoffman,Jitendra Malik
Computer Science , 2015,
Abstract: In this work we propose a technique that transfers supervision between images from different modalities. We use learned representations from a large labeled modality as a supervisory signal for training representations for a new unlabeled paired modality. Our method enables learning of rich representations for unlabeled modalities and can be used as a pre-training procedure for new modalities with limited labeled data. We show experimental results where we transfer supervision from labeled RGB images to unlabeled depth and optical flow images and demonstrate large improvements for both these cross modal supervision transfers. Code, data and pre-trained models are available at https://github.com/s-gupta/fast-rcnn/tree/distillation
Exploring Person Context and Local Scene Context for Object Detection
Saurabh Gupta,Bharath Hariharan,Jitendra Malik
Computer Science , 2015,
Abstract: In this paper we explore two ways of using context for object detection. The first model focusses on people and the objects they commonly interact with, such as fashion and sports accessories. The second model considers more general object detection and uses the spatial relationships between objects and between objects and scenes. Our models are able to capture precise spatial relationships between the context and the object of interest, and make effective use of the appearance of the contextual region. On the newly released COCO dataset, our models provide relative improvements of up to 5% over CNN-based state-of-the-art detectors, with the gains concentrated on hard cases such as small objects (10% relative improvement).
An Improved Structure Of Reversible Adder And Subtractor
Aakash Gupta,Pradeep Singla,Jitendra Gupta,Nitin Maheshwari
Computer Science , 2013,
Abstract: In today's world everyday a new technology which is faster, smaller and more complex than its predecessor is being developed. The increased number of transistors packed onto a chip of a conventional system results in increased power consumption that is why Reversible logic has drawn attention of Researchers due to its less heat dissipating characteristics. Reversible logic can be imposed over applications such as quantum computing, optical computing, quantum dot cellular automata, low power VLSI circuits, DNA computing. This paper presents the reversible combinational circuit of adder, subtractor and parity preserving subtractor. The suggested circuit in this paper are designed using Feynman, Double Feynman and MUX gates which are better than the existing one in literature in terms of Quantum cost, Garbage output and Total logical calculations.
MODIFIED LRU ALGORITHM to IMPLEMENT PROXY SERVER with CACHING POLICIES
Jitendra Singh Kushwah#1 , Jitendra Kumar Gupta#2 ,Brijesh Patel#3
International Journal of Computer Trends and Technology , 2011,
Abstract: In order to produce and develop a software system, it is necessary to have a method of choosing a suitable algorithm which satisfies the required quality attributes and maintains a trade-off between sometimes conflicting ones. Proxy server is placed between the real server and clients. Proxy server uses caching policies to store web documents using algorithms. For this, different algorithms are used but drawbacks of these algorithms are that it is applicable only for the video files not for other resource types. Second drawback is that it does not tell any thing about organizing the data on the disk storage of the proxy server. Third drawback is that it is difficult to implement. Fourth drawback is that they require the knowledge about the workloads on the proxy server. Major problems in previous described algorithms is that “Cold Cache Pollution”.As described in the previous description all the existing algorithms used for caching suffers from various disadvantages. This paper is proposing a technique to remove the problem of cold cache pollution which is proved mathematically that it is better than the existing LRUDistance algorithm
Strontium (II)-Selective Potentiometric Sensor Based on Ester Derivative of 4-tert-butylcalix(8)arene in PVC Matrix
Ajay K. Jain,Vinod K. Gupta,Jitendra R. Raisoni
Sensors , 2004, DOI: 10.3390/s40800115
Abstract: Membranes of 4-tert-butylcalix(8)arene-octaacetic acid octaethyl ester (I) as an electroactive material, sodium tetraphenyl borate (NaTPB) as an anion excluder, and tri-n-butyl phosphate (TBP) as a solvent mediator in poly(vinyl chloride) (PVC) matrix have been tried for a strontium-selective sensor. The best performance was exhibited by the membrane having a composition 5:100:150:2 (I: PVC: TBP: NaTPB (w/w)). This sensor exhibits a good potentiometric response to Sr2+ over a wide concentration range (3.2 × 10 –5 –1.0 × 10 –1 M) with a Nernstian slope (30 mV/ decade). The response time of the sensor is 10 s and it has been used for a period of four months without any drift in potentials. The selectivity coefficient values are in the order of 0.01 for mono-, bi-, and trivalent cations which indicate a good selectivity for Sr2+ over a large number of cations. The useful pH range for the sensor was found to be 3-10 and it works well in mixtures with non-aqueous content up to 25 % (v/v). The sensor has been used as an indicator electrode in the potentiometric titration of Sr2+ against EDTA.
Design, Implementation and Performance Analysis of Low Power, Low Energy Adder Using Adibatic Logic in 45nm CMOS Sub-micron Technology
Jitendra R. Patel,Prof. Sandip Nemade,Prof. Vikas Gupta
International Journal of Engineering Innovations and Research , 2013,
Abstract: In this paper I had implemented the different two types of 1-bit adder using adiabatic logic and conventional CMOS logic in 45nm technology with LT spice. As we know Full adders are important components in applications such as digital signal processors (DSP) architectures and microprocessors. Apart from the basic addition adders also used in performing useful operations such as subtraction, multiplication, division, address calculation, etc. we have compared the complementary pass transistor (CPL) logic and 2 phase clocked adiabatic static CMOS logic (2PASCL) 1-bit adder for power dissipation as well as energy consumption, result suggest adiabatic method has low power and low energy consumption compared to complementary pass transistor logic.
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